No Auth APIs

Axolotl API returns random photos and fun facts about axolotls (aquatic salamanders).

Cat Facts delivers random, verified facts about cats via a simple REST API.

Cataas provides programmatic access to cat as a service (cats pictures and gifs) via REST API.

Dog Facts API returns random interesting facts about dogs as plain JSON.

This Dog Facts API returns random dog facts in clean JSON with no API key required.

The Dog CEO API serves random dog images from the Stanford Dogs Dataset, organized by breed.

FishWatch by NOAA provides sustainability data, habitat info, and images for US fish species.

HTTP Cat returns a cat-themed image for any HTTP status code via a simple URL pattern.

HTTP Dog serves a photo of a dog for every HTTP status code (200, 404, 500, etc.), making it easy to visualize API responses in a fun way.

MeowFacts returns random, verified facts about cats such as their sleep habits, hunting instincts, and biological quirks.

Movebank is a global database of animal movement and migration tracking data collected by GPS tags and sensors attached to wild animals worldwide.

PlaceBear generates placeholder bear images at any pixel dimensions you specify, making it easy to fill wireframes and mockups with visually interesting content during development.

PlaceDog generates placeholder dog images at any dimensions you request by encoding width and height in the URL path, letting you drop real dog photos into wireframes without any auth or setup.

RandomDog returns a JSON object with the URL of a random dog image (JPEG, PNG, or GIF) sourced from user-submitted photos on random.dog.

RandomDuck serves random photos and illustrations of ducks from a community-curated collection, returning a JSON object with the direct image URL.

RandomFox returns a random photo of a fox from a curated collection, providing a JSON object with a direct image URL and an index number identifying the specific fox.

RescueGroups provides programmatic access to adoption via REST API.

Shibe.Online delivers random image URLs of Shiba Inu dogs, cats, or birds with a single GET request.

xeno-canto is a community-built library of over 700,000 wild bird sound recordings from around the world.

AnimeChan serves a database of 10,000+ anime quotes with character and anime title metadata.

AnimeFacts is a simple REST API with over 100 trivia facts about popular anime series, accessible by an anime slug name.

Anime News Network exposes its encyclopedia data as a free XML API, covering anime and manga titles, cast, staff, genres, and release information maintained by professional journalists.

Catboy serves random neko (anime cat-person) images and GIFs across several mood categories with no API key required.

Jikan is an unofficial REST API for MyAnimeList that lets you fetch anime and manga data without OAuth setup.

NekosBest serves anime-style neko (cat-girl) images and roleplay GIF reactions like hugging, patting, or waving, all sourced from a curated anime art collection.

Trace.moe finds the exact anime scene matching a screenshot or image you upload, returning the anime title, episode number, and timestamp of the matching scene.

Waifu.im hosts a curated archive of over 4,000 anime-style character images organized by tags like maid, uniform, wink, or ero.

Waifu.pics is a simple anime image sharing API that returns random anime images from categories like waifu, neko, shinobu, and many more.

URLhaus by abuse.ch is a free, no-auth API for querying a database of URLs that are actively distributing malware.

The Art Institute of Chicago API exposes 100,000+ artworks with images, artist bios, and exhibition data—free with no key required.

Colormind generates harmonious 5-color palettes using a machine learning model trained on real design work.

ColourLovers lets you browse millions of community-created color palettes and patterns.

EmojiHub returns random or category-filtered emojis with their Unicode name, character, and HTML entity.

Icon Horse fetches the best available favicon for any website URL with a graceful fallback when none exists.

Icons8 offers a CDN-based icon delivery system where you can embed icons directly in HTML using a simple URL pattern without any API calls or keys.

Lordicon provides a library of high-quality animated icons delivered as Lottie JSON files and web components.

The Metropolitan Museum of Art API provides open access to over 470,000 art objects from the Met collection including paintings, sculptures, and artifacts, along with high-resolution image URLs and rich metadata.

PHP-Noise generates procedural noise background images (like Perlin noise textures) on demand via a simple URL with query parameters for color, opacity, and tile settings.

Pixel Encounter generates unique random SVG monster/creature icons procedurally, making it great for creating identicons, placeholder avatars, or playful UI elements.

Chainlink is a decentralized oracle network that connects smart contracts to real-world data like price feeds, random numbers, and external APIs.

Chainpoint anchors any data hash to the Bitcoin blockchain, creating a tamper-proof proof of existence for documents, records, or any digital content.

The Helium API provides access to legacy blockchain data for the Helium IoT network — hotspot locations, earnings, network coverage, and device activity.

Steem is a blockchain-based social media platform with a public API for reading posts, comments, votes, account data, and blockchain operations.

Bhagavad Gita Telugu API delivers all Gita verses in Telugu and Odia languages with no authentication required.

Bible-api.com is a free, no-auth REST API that returns Bible verses and passages in multiple translations using a simple URL pattern.

The British National Bibliography API exposes Linked Data about books published in the UK and Ireland, including titles, authors, ISBNs, and subject classifications.

Crossref Metadata Search provides free REST access to bibliographic metadata for over 140 million scholarly articles, books, and conference papers indexed by DOI.

Gutendex exposes the full Project Gutenberg catalogue—over 70,000 free ebooks—as a clean JSON API.

Open Library is the Internet Archive's book database covering millions of editions, authors, and subjects.

Penguin Random House's REST web service lets you query their full catalogue for titles, authors, and ISBNs.

PoetryDB serves a curated collection of classic English poems via a simple REST API—searchable by author, title, or first line.

Quran Cloud provides a RESTful API to fetch individual verses (Ayah), chapters (Surah), sections (Juz), or the complete Quran text with multiple audio recitations and translations.

This community-maintained Quran API hosts the full Quran text in 90+ languages and 400+ translations as static JSON files on GitHub CDN—no rate limits, no key needed.

Thirukkural API delivers all 1,330 couplets of the ancient Tamil classic Thirukkural with explanations in both Tamil and English.

Wizard World provides programmatic access to get information from the harry potter universe via REST API.

Wolne Lektury is Poland's national digital library API, giving access to thousands of freely available Polish literary works including full texts, author data, and cover images.

Domainsdb.info lets you search registered domain names by keyword, TLD, or zone with no authentication needed.

Markerapi provides free search access to the USPTO trademark database, letting you check if a brand name is already trademarked.

The Tenders in Hungary API from tenders.guru delivers publicly available government procurement data for Hungary, including contract values, buyer and supplier names, and tender dates.

The Tenders in Poland API provides structured access to Polish government procurement notices and contract awards from tenders.guru, covering public sector buyers across all regions of Poland.

The Tenders in Romania API by tenders.guru exposes Romanian public procurement data including tender details, contract values, and awarded suppliers, all freely accessible without authentication.

The Tenders in Spain API from tenders.guru delivers Spanish public procurement data in JSON format, covering central government, autonomous communities, and local authorities.

The Tenders in Ukraine API from tenders.guru offers free, unauthenticated access to Ukrainian public procurement data including tender titles, contracting authorities, contract values, and awarded suppliers.

Church Calendar (calapi.inadiutorium.cz) is a free, no-auth REST API that returns the Roman Catholic liturgical calendar for any date or month.

The Czech Namedays Calendar API lets you look up the Czech or Slovak nameday (svátek) associated with a given first name, or find whose nameday falls on a specific date.

The Hebcal API provides free Jewish calendar data including Hebrew date conversions, Shabbat candle-lighting times, Jewish holidays, and weekly Torah portion readings.

LectServe is a free REST API that returns Revised Common Lectionary readings — Scripture passages assigned to each Sunday and feast day used by many Protestant denominations.

Nager.Date is a completely free, open-source REST API providing public holidays for over 90 countries with no API key required.

Namedays Calendar provides name day traditions for dozens of countries, letting you look up which names are celebrated on any given date.

Non-Working Days provides ICS calendar files for public holidays and non-working days across many countries, hosted as a structured database on GitHub.

IsDayOff.ru is a minimalist REST API that returns whether a given date is a working day, non-working day, or short (pre-holiday) day for Russia and several CIS countries, as well as the United States.

Russian Calendar API checks whether a specific date is a holiday, working day, or short day in Russia, based on official government decree data.

The UK Bank Holidays API is an official UK government endpoint that returns all bank holidays for England and Wales, Scotland, and Northern Ireland as structured JSON.

File.io is an ephemeral file sharing API that returns a one-time download link after upload — once the file is downloaded, it is automatically deleted from the server.

Pantry is a free, no-signup JSON storage API designed for small projects and prototypes that need simple key-value persistence without a database.

1inch is a decentralized exchange (DEX) aggregator that finds the best swap routes across protocols like Uniswap, SushiSwap, and Curve.

Bitcambio is a Brazilian cryptocurrency exchange that exposes a public REST API to retrieve all currently traded asset pairs and their market data.

BitcoinCharts provides financial and technical data about the Bitcoin network, including historical market data from dozens of exchanges worldwide.

CoinCap delivers real-time cryptocurrency prices and market data for thousands of assets through a straightforward REST API.

Coinlore offers a free, no-key-required API that returns price, volume, market cap, and ranking data for over 10,000 cryptocurrencies.

Coinpaprika offers a free, open cryptocurrency data API covering 2,500+ coins with prices, market stats, exchange data, and detailed coin metadata including team and investor information.

CoinStats is a no-authentication REST API that provides real-time prices, percentage changes, and basic market metrics for thousands of cryptocurrencies.

CryptAPI is a no-key cryptocurrency payment processor API that generates unique deposit addresses and watches for on-chain payments using a simple webhook callback URL.

CryptoCompare (now served via the CoinDesk Data API) provides one of the most comprehensive free cryptocurrency datasets, including multi-exchange price aggregates, OHLCV historical candles, orderbook depth, and social sentiment signals.

Gemini is a U.S.-regulated cryptocurrency exchange API that provides public market data without authentication, making it beginner-friendly.

Mempool.space is a Bitcoin blockchain explorer API that focuses on real-time transaction fee estimation and mempool (pending transaction pool) analytics.

MercadoBitcoin is Brazil's largest cryptocurrency exchange and offers a public API for retrieving real-time and historical market data for Bitcoin, Ethereum, Litecoin, and other coins traded on the platform.

Messari provides comprehensive data on thousands of cryptocurrency assets, including prices, market caps, and on-chain metrics.

Nexchange is an automated cryptocurrency exchange service API that lets you programmatically create and track currency swap orders.

The Solana JSON RPC API allows developers to interact directly with the Solana blockchain to read account balances, submit transactions, and query on-chain data.

ZMOK provides Ethereum JSON-RPC API access and Web3 provider services, allowing developers to interact with the Ethereum blockchain without running their own node.

Exchangerate.host provides free foreign exchange and cryptocurrency rates via a simple REST API, covering 170+ currencies and major crypto assets.

The Bank of Russia XML API provides official daily exchange rates for foreign currencies against the Russian Ruble, published by the Central Bank of the Russian Federation.

Currency-api is a free, open-source currency exchange rates API hosted on GitHub with no rate limits, no authentication, and support for 150+ currencies.

The Czech National Bank (CNB) publishes official daily exchange rates for 30+ currencies against the Czech Koruna (CZK) as a plain XML file.

Economia.Awesome is a free Brazilian API that provides real-time and historical currency exchange rates for dozens of currency pairs, including BRL (Brazilian Real) against USD, EUR, BTC, and more.

Frankfurter is an open-source currency data API backed by the European Central Bank (ECB) exchange rate dataset, providing rates for 33 major currencies updated every weekday.

The National Bank of Poland (NBP) API is an official government data source providing daily exchange rates for 35+ currencies relative to the Polish Zloty (PLN), published on each banking day.

Postman Echo is a free HTTP test server that mirrors back exactly what you send — headers, query parameters, body, cookies, and request method — making it invaluable for debugging API clients and understanding HTTP behavior without needing a real backend.

PurgoMalum is a free, no-auth REST API for filtering profanity and obscene words from text, returning a cleaned version with offensive terms replaced by asterisks or a custom fill character.

24 Pull Requests is a community initiative that runs every December to encourage developers to contribute to open source projects.

Agify.io is a free API that predicts the likely age of a person based solely on their first name, using a database of over 350 million historical records.

API Grátis is a Brazilian API aggregator that bundles multiple free utility services including CEP (postal code) lookup, CNPJ (company registry) data, vehicle plate information, and more — all under a single authentication token.

ApicAgent parses User-Agent strings into structured device and browser information, returning details like browser name, version, OS, device type, and whether the client is a bot.

APIs.guru maintains a crowd-sourced directory of OpenAPI (Swagger) specification files for hundreds of public web APIs, all normalized to OpenAPI 3.0 format.

Beeceptor lets you create a mock REST API endpoint in seconds directly from your browser, without writing any server code.

The CDNJS API provides metadata about JavaScript and CSS libraries hosted on cdnjs.com, one of the largest open source CDN networks.

Changelogs.md aggregates and structures changelog data from popular open source projects hosted on GitHub, making it easy to fetch and display version history programmatically.

Ciprand is a lightweight public API for generating cryptographically secure random strings, useful for creating tokens, nonces, salts, and test data without implementing your own randomness logic.

The Cloudflare Trace API exposes request metadata collected by Cloudflare's edge network, including your public IP address, country code, datacenter IATA code, HTTP version, TLS version, and user agent—all in a single request.

CORS Proxy acts as a middle-man server that forwards your HTTP requests to external APIs, stripping restrictive CORS headers so browsers can access them without cross-origin errors.

The DigitalOcean Status API provides real-time and historical data on the operational status of all DigitalOcean services, including Droplets, Managed Databases, Kubernetes, Spaces, and more.

DomainsDB.info provides a searchable database of registered domain names, allowing you to find all domains containing specific keywords, phrases, or patterns across various TLDs.

ExtendsClass JSON Storage is a simple REST API that lets you create, read, update, and delete JSON objects online without any backend setup.

Genderize.io predicts the likely gender of a given first name using a statistical model trained on a database of over 100 million names from around the world.

host-t.com provides DNS lookups over plain HTTP GET requests, making it easy to query DNS records without specialized libraries.

HTTP2.Pro is a testing service that lets you verify whether a client or server supports the HTTP/2 protocol via a simple API call.

Httpbin is a classic developer tool that echoes back HTTP requests in structured JSON, making it invaluable for testing HTTP clients, inspecting headers, and debugging network code.

Icanhazepoch is a minimalist API that returns the current Unix epoch timestamp as a plain integer, with no frills and no authentication required.

Icanhazip returns your public IP address as a plain text string with no authentication, parsing, or configuration needed.

The IFTTT Connect API allows developers to integrate their services with IFTTT automation platform, enabling users to create "if this, then that" automations that connect thousands of apps and IoT devices.

Image-Charts generates chart images and QR codes on-the-fly via a simple GET request URL, with chart parameters encoded directly into the query string.

ip-fast.com is a lightweight, no-auth API that returns the caller's IP address along with associated country and city information.

IPify is an extremely simple, free API with no authentication required that returns your current public IP address as plain text or JSON.

IPinfo is a free, no-auth-required IP geolocation and network intelligence API that returns rich data about any IP address including location, organization, ASN, and timezone.

jsDelivr's Data API provides programmatic access to package metadata and download statistics for npm, GitHub, and WordPress packages hosted on the jsDelivr CDN.

JSON 2 JSONP is a free, no-auth service that acts as a JSONP proxy, converting any JSON endpoint into a JSONP response on the fly to bypass browser cross-domain restrictions in legacy applications.

Kroki is a free, open-source API that converts plain-text diagram descriptions into images (SVG, PNG, PDF) supporting over 20 diagram types including Mermaid, PlantUML, Graphviz, and more.

License-API is an unofficial REST wrapper around choosealicense.com that lets you fetch structured data about open-source licenses by their SPDX identifier.

MicroENV is a hosted fake REST API that returns realistic-looking mock data for common entities such as users, posts, and todos, making it ideal for front-end prototyping without a real backend.

MY IP is a straightforward API that returns the public IP address of the caller along with associated geolocation metadata such as country, city, ISP, and coordinates.

Nationalize.io predicts the likely nationality of a person based on their first name by analyzing a large database of name-to-country associations.

NetworkCalc provides programmatic access to network calculators, including subnets, dns, binary, and security tools via REST API.

The npm Registry API exposes package metadata for every module published to the npm ecosystem, including version history, author information, download counts, and README content.

oyyi is a versatile utility API that lets developers generate fake/test data, convert and optimize images and videos, compress PDFs, and create thumbnails — all without authentication.

The QRtag QR Code API generates clean, scan-ready QR code images from any URL or text with a single GET request — no authentication or signup required.

The goQR.me QR Code API is a straightforward REST service for generating and decoding QR codes — you can produce a QR image from any text or URL with a single GET request and receive a PNG back, or POST an image to decode its contents.

QRcode Monkey provides a free API to generate highly customizable QR codes with logos, custom colors, and various dot styles — far beyond the plain black-and-white output of simpler QR APIs.

QuickChart turns Chart.js configuration objects into chart images via a simple GET or POST request — no JavaScript runtime or canvas library required.

ReqRes is a free, hosted fake REST API designed for testing and prototyping front-end applications.

RSS feed to JSON is a free, no-auth API that converts any RSS feed URL into structured JSON data.

Serialif Color is a free, no-auth API that converts colors between formats like HEX, RGB, and HSL.

SHOUTCLOUD is a fun, no-auth API that converts any text string into ALL CAPS, delivered as a humorous "ALL-CAPS AS A SERVICE." It requires no authentication and responds instantly, making it a great first API for absolute beginners learning how HTTP POST requests work.

Sonar provides a fast DNS enumeration API built on Project Sonar's large passive DNS dataset, allowing you to look up subdomains associated with any domain.

Statically is a free CDN for developers that accelerates static assets from GitHub, GitLab, npm, and WordPress, with no account or API key required.

Chinese Character Web is a free API providing definitions, stroke counts, and pronunciations for Chinese characters without requiring an API key.

Chinese Text Project offers a free API to access a massive digital library of pre-modern Chinese texts, including classics like the Analects and Tao Te Ching.

Free Dictionary provides programmatic access to definitions, phonetics, pronounciations, parts of speech, examples, synonyms via REST API.

Wiktionary's API gives free access to the entire collaboratively-edited dictionary, covering definitions, pronunciations, etymology, and translations for words in hundreds of languages.

Vector Express is a free, no-auth API for converting vector and raster files between formats such as SVG, PDF, DXF, EPS, and PNG.

WakaTime automatically tracks how much time you spend coding in your editor and exposes this data through a public API.

Disify is a free, no-auth API that checks whether an email address or domain belongs to a known disposable or temporary email service.

DropMail provides a GraphQL API for creating and managing temporary email inboxes, letting you generate disposable addresses and receive real emails without registration.

Guerrilla Mail provides a REST API for creating and reading disposable temporary email addresses, useful for testing email flows without exposing real inboxes.

Kickbox provides a free, no-auth email verification endpoint that checks whether an email address is deliverable by performing syntax validation, domain MX lookup, and disposable address detection.

mail.gw is a REST API for creating and managing temporary 10-minute email addresses with full inbox access, all without authentication for basic use.

mail.tm is a temporary email service API that creates persistent (but disposable) email accounts accessible via a REST interface using JWT authentication.

MailCheck.ai (powered by UserCheck) is a free API that detects whether an email domain belongs to a known temporary or disposable email provider, helping prevent fake sign-ups without requiring authentication.

chucknorris.io is a free JSON API serving a curated database of Chuck Norris jokes, with endpoints for fetching random jokes, filtering by category, and searching joke text.

Corporate Buzz Words is a fun REST API that generates random corporate jargon and business buzzwords.

Fun Fact API randomly selects and returns a true, interesting fact from the FFA (Fun Facts Archive) database.

Imgflip API lets you retrieve a list of popular meme templates and programmatically create memes by adding captions to them.

Meme Maker API is a simple REST interface for creating custom memes by combining images with user-supplied text.

NaMoMemes is a fun, open-source REST API that serves meme images related to Indian Prime Minister Narendra Modi.

Random Useless Facts API delivers genuinely true but delightfully pointless facts in JSON or plain text format.

Techy API generates random tech-savvy-sounding phrases that are perfect for populating placeholder content, building parody apps, or adding humor to developer tools.

Yo Momma Jokes API is a simple REST endpoint that returns random "Yo Momma" jokes in JSON format.

CO2 Offset API calculates and validates the carbon footprint of electricity consumption using the Sustainable Scope 2 framework.

Danish data service Energi provides programmatic access to open energy data from energinet to society via REST API.

GrünstromIndex (Green Power Index) provides real-time and forecast data about the proportion of renewable energy in the German electricity grid.

Luchtmeetnet API provides real-time and predicted air quality measurements from the official Dutch national air quality monitoring network (RIVM).

PM2.5 Open Data Portal provides free access to low-cost PM2.5 (fine particulate matter) sensor data from the LASS community network across Asia, particularly Taiwan.

The UK Carbon Intensity API provides official real-time and forecast carbon intensity data for Great Britain's electricity grid, developed by National Grid.

Website Carbon estimates the carbon footprint of loading any web page by analyzing its data transfer size and hosting type.

Binlist gives you free access to a database of Bank Identification Numbers (BINs), the first 6-8 digits of any credit or debit card number that identify the issuing bank and card type.

Econdb provides free access to global macroeconomic data including GDP, inflation, unemployment, and hundreds of other economic indicators from official sources like central banks and statistical agencies.

The U.S.

The Indian Mutual Fund API gives you free access to the complete history of all mutual funds registered in India.

Portfolio Optimizer is a free REST API that helps you analyze and optimize investment portfolios using advanced mathematical models.

Razorpay IFSC API lets you look up Indian bank branch details using an 11-character IFSC code — completely free and without authentication.

SEC EDGAR Data API provides free access to financial filings, annual reports (10-K), quarterly reports (10-Q), and ownership data for all publicly traded US companies.

The WallStreetBets API gives you real-time sentiment data extracted from Reddit's r/WallStreetBets community, showing which stocks are being discussed and whether the mood is bullish or bearish.

Yahoo Finance provides unofficial access to stock quotes, historical prices, currency exchange rates, and cryptocurrency data through community-maintained libraries and endpoints.

BaconMockup is a fun, free API that serves placeholder images featuring bacon — great for filling in image slots during web or app development when you just need something visual.

The Coffee API is a dead-simple, no-auth service that returns a random high-quality coffee photo every time you call it.

Foodish is a fun, free API that returns a random food dish image URL each time you call it.

Fruityvice is a free, no-auth API that provides nutritional and botanical data for dozens of common fruits.

Open Brewery DB is a free, open-source API that provides data on breweries, cideries, and bottle shops across multiple countries.

Open Food Facts is a free, community-driven database of food products from around the world, containing nutritional facts, ingredients, allergens, and Eco-scores.

TacoFancy is a free, no-auth API built on a community-driven database of taco recipes, shells, fillings, and condiments.

The Report of the Week API provides structured data from the popular YouTube food and drink review series by ReviewBrah.

WhiskyHunter aggregates statistical data from past online whisky auctions, letting you track price trends for specific bottles over time.

The Animal Crossing: New Horizons API gives you free access to in-game data including villagers, critters, fossils, art, music, and furniture.

The Autochess VNG API provides game data for the Autochess VNG mobile game including heroes, items, and races.

Barter.VG aggregates data about PC games, DLC, bundles, giveaways, and trading from Steam and other platforms.

BoardGameGeek's XML API 2 lets you access a massive database of over 100,000 board games, RPGs, and video games including ratings, reviews, and user collections.

CheapShark aggregates PC game deals from major stores like Steam, GOG, and Humble Bundle, letting you search for the lowest current price on any game.

The Chess.com Published Data API gives you read-only access to public player profiles, game archives, leaderboards, and puzzle data from one of the world's largest chess platforms.

The Chuck Norris Database API (ICNDB) delivers random Chuck Norris jokes as JSON with zero setup — no API key needed, just a simple GET request.

Comic Vine's API exposes a comprehensive database of comic book characters, issues, publishers, story arcs, and more from their community-maintained wiki.

The Cross Universe API provides card data for the Cross Universe trading card game, including card stats, abilities, and artwork information.

The Deck of Cards API lets you simulate a real deck of cards — create shuffled decks, draw cards, and manage multiple piles for different players.

The Digimon Information API provides easy access to data about Digimon creatures, including their names, levels, types, and images.

The Digimon TCG API lets you search for cards from the Digimon Card Game, providing details like card names, types, and images from digimoncard.io.

The Disney API provides information about Disney characters, including their names, films they appeared in, and associated media.

The Dungeons and Dragons API provides reference data for D&D 5th Edition, including spells, monsters, classes, equipment, and more from the official System Reference Document (SRD).

Open5e provides a comprehensive REST API for D&D 5th Edition SRD content, covering monsters, spells, classes, magic items, and more.

FFXIV Collect is an API for Final Fantasy XIV collectables, including mounts, minions, emotes, hairstyles, and achievements.

The XIVAPI provides comprehensive game data from Final Fantasy XIV, including characters, items, quests, duties, and lore.

FreeToGame API provides access to a large database of free-to-play PC and browser games with details like genre, platform, and thumbnail images.

FunTranslations API converts ordinary English text into fun fictional languages like Yoda-speak, Pig Latin, Shakespeare English, and many more.

GamerPower API gives you access to a real-time database of free game giveaways and loot from platforms like Steam, Epic Games Store, and more.

GDBrowser API provides a simple interface to the Geometry Dash game servers, letting you fetch level data, player profiles, and leaderboard scores.

Geek-Jokes API delivers random programming and technology-themed jokes as plain text with a single GET request.

The Genshin Impact API provides detailed game data including characters, weapons, artifacts, enemies, and domains from the popular action RPG.

GraphQL Pokemon API is a fully-featured GraphQL endpoint covering all Pokemon data through Generation 8, including abilities, moves, evolutions, and type matchups.

GW2Spidy provides item and trade market data from Guild Wars 2, letting you look up prices and listings on the in-game auction house.

Hyrule Compendium API provides data on every interactive item in The Legend of Zelda: Breath of the Wild, including creatures, equipment, materials, monsters, and treasure.

JokeAPI is a free, no-auth REST API that returns programming, miscellaneous, and dark jokes in single-part or two-part formats.

Jservice gives you free access to a massive database of Jeopardy!

The Magic: The Gathering API provides detailed data on every MTG card ever printed, including set information, card text, mana costs, and legality in different formats.

The Minecraft Server Status API lets you check whether a Minecraft server is online and retrieve its player count, version, and MOTD without connecting to the server yourself.

The MMO Games API from MMOBomb provides a database of free-to-play MMO and online games with details like genre, platform, screenshots, and reviews.

The Monster Hunter World API provides structured game data including monsters, weapons, armor, skills, and items from the Monster Hunter: World game.

Open Trivia DB is a free, community-sourced trivia question database with thousands of questions across many categories and difficulty levels.

PlayerDB is a free, no-auth API that lets you look up public player information for Minecraft, Steam, and Xbox accounts using usernames or IDs.

PokéAPI is one of the most popular free APIs for developers and provides comprehensive Pokémon data including stats, moves, abilities, and evolutions for all 1000+ Pokémon.

PokéAPI GraphQL is an unofficial GraphQL wrapper around the popular PokéAPI REST service, letting you query Pokémon data using GraphQL syntax.

The Pokémon TCG API provides detailed data on Pokémon Trading Card Game cards, sets, and prices, making it easy to build deck builders or card collection apps.

The Psychonauts API provides character and PSI power information from the Psychonauts video game universe, including details on characters, their abilities, and lore.

Puyo Nexus API provides data from the Puyo Puyo Wiki including characters, games, and series information from the classic puzzle game franchise.

The Raider.io API provides detailed World of Warcraft character and guild rankings for Mythic+ dungeons and raid content without requiring any authentication.

The Rick and Morty API is a free, no-auth REST API that provides complete data about all characters, locations, and episodes from the show.

The RuneScape API provides free access to game data for both RuneScape and Old School RuneScape (OSRS), including item prices, player hiscores, and quest information.

The Sakura CardCaptor API is a free, open-source REST API providing data on all Clow Cards and Star Cards from the Sakura CardCaptor anime series.

Scryfall is a comprehensive Magic: The Gathering card database API that covers every printed card, including artwork, legality, and pricing data.

The Internal Steam Web API wiki documents unofficial Steam endpoints not part of the official public API, offering access to store data, search, app details, and more without an API key.

TCGdex is a free, multi-language Pokémon Trading Card Game API that provides detailed card, set, and series information.

The TETR.IO API (Tetra Channel) provides real-time statistics and profile data for players of TETR.IO, a modern competitive Tetris game.

Tronald Dump is a fun, free API that serves random quotes attributed to Donald Trump, sourced from various media.

Universalis is a crowdsourced Final Fantasy XIV market board API providing real-time and historical pricing data for in-game items across all game worlds and data centres.

The unofficial Valorant API provides comprehensive data about Riot Games' Valorant including agents, weapons, maps, skins, and game modes — all without authentication.

This unofficial Warface API proxy provides enhanced player statistics and game data with an improved data structure compared to the raw official source.

This simple API returns information about upcoming Marvel Cinematic Universe (MCU) films including title, release date, and countdown timers.

The xkcd API lets you retrieve any xkcd webcomic as structured JSON data, including the comic title, image URL, alt text, and publication date.

The Yu-Gi-Oh!

The Administrative Divisions DB API provides a structured list of all administrative divisions (states, provinces, regions, cities) for countries around the world.

adresse.data.gouv.fr provides programmatic access to address database of france, geocoding and reverse via REST API.

Airtel IP is a free, no-auth IP geolocation API that aggregates data from multiple sources to return the country associated with any given IP address.

bng2latlong is a simple, free API that converts British National Grid (OSGB36) easting and northing coordinates into standard WGS84 latitude and longitude.

Cartes.io is a free API that lets you create maps and add custom markers without signing up.

Cep.la is a free Brazilian API that lets you look up address information using a Brazilian postal code (CEP).

CitySDK provides open APIs for a selection of European cities, offering access to urban data such as public services, demographics, and points of interest.

Country.is is a simple, free API that detects a visitor's country based on their IP address.

The Ducks Unlimited API provides location data for university chapters affiliated with Ducks Unlimited, the wetlands and waterfowl conservation organization.

GeoApi is a free French government API that provides official geographical data for France, including communes, departments, regions, and administrative boundaries.

Geocode.xyz is a free worldwide geocoding API that supports forward and reverse geocoding, batch operations, and geoparsing of natural language text.

Geodata.gov.gr is the official Greek government open geospatial data portal, providing free access to geographic datasets for Greece.

GeographQL is a free GraphQL API that provides structured data about countries, states, and cities worldwide.

GeoJS is a free, no-auth-required IP geolocation API that returns the approximate location of any IP address, including country, city, latitude, and longitude.

Geokeo is a free geocoding API that converts addresses to coordinates and coordinates back to addresses, offering up to 2,500 free requests per day.

GeoNames is one of the largest free geographical databases in the world, containing over 11 million place names, postal codes, country info, and elevation data.

geoPlugin is a free IP geolocation API that also includes real-time currency conversion data alongside the location information.

Graph Countries API provides rich country data including currencies, languages, flags, bordering countries, and regional groupings via GraphQL.

HelloSalut is a simple, free API that returns a greeting translation based on the user's IP address or a specified language code.

IBGE API provides official geographic and statistical data from Brazil's national statistics institute, including state and municipality listings, population data, and regional boundaries.

IP 2 Country is a free, no-auth API that maps any IPv4 address to its corresponding country.

IP Address Details (ipinfo.io) returns geolocation and network information for any IP address, including city, region, country, ISP, and organization.

IP Vigilante is a free IP geolocation API that returns location details like country, city, latitude, and longitude for a given IP address.

ip-api provides fast, free IP geolocation data including country, city, region, ISP, and coordinates for any public IP or domain name.

ipapi.co is a simple REST API that returns the geolocation of any IP address, including country, city, and currency.

IPGEO is a free, no-authentication IP geolocation API that returns detailed information about any IP address, including country, region, city, and ISP.

Mexico Sepomex is a free API that provides postal code (ZIP code) data for Mexico, including state, municipality, and neighborhood information.

Nominatim is a free geocoding API powered by OpenStreetMap data that lets you convert addresses to coordinates (forward geocoding) and coordinates back to addresses (reverse geocoding).

OnWater is a simple free API that tells you whether a given latitude and longitude coordinate is on water or on land.

Open Topo Data is a free elevation API that returns the altitude above sea level (or ocean depth below sea level) for any latitude and longitude on Earth.

Pinball Map is a free, crowdsourced API that shows where public pinball machines are located around the world.

Postali provides programmatic access to mexico zip codes api via REST API.

PostcodeData.nl provides geolocation and address data for Dutch postal codes.

Postcodes.io is a free, open-source UK postcode lookup API that returns geolocation data, administrative region info, and coordinates.

REST Countries is a free API that provides detailed information about every country in the world, including population, capital, currencies, languages, flags, and bordering countries.

The Rwanda Locations API provides structured geographic data for Rwanda, including provinces, districts, cities, sectors, cells, and villages.

SLF is a free, no-authentication database API for German geographic data, including cities, rivers, countries, and related information.

ViaCep is a free Brazilian zip code (CEP) API that returns address data including street, neighborhood, city, and state for any valid Brazilian postal code.

Zippopotam.us is a completely free, no-auth-required API that returns place information for postal codes from dozens of countries including the US, UK, Canada, and many European nations.

Ziptastic is a simple, free API that returns the country, state, and city for any US zip code with no authentication required.

Bank Negara Malaysia Open Data provides free access to official financial data published by Malaysia's central bank, including exchange rates, interest rates, and key economic indicators.

BCLaws gives you free access to the full text of British Columbia's laws and regulations.

BrasilAPI is a free, community-driven API that centralizes public data about Brazil in one easy-to-use place.

The Brazil Central Bank Open Data API provides free access to official financial and economic data from Brazil s central bank (Banco Central do Brasil).

Brazil Receita WS lets you look up official information about Brazilian companies using their CNPJ (tax registration number).

The Brazilian Chamber of Deputies Open Data API provides free access to legislative information from Brazil s lower house of Congress.

Census.gov provides free access to a vast collection of US demographic, economic, and geographic data from the United States Census Bureau.

The City of Berlin Open Data portal provides free access to a wide variety of datasets published by Berlin s government and public services.

The City of Gdansk Open Data portal provides free public datasets from Gdansk, Poland, powered by the CKAN platform.

The City of Gdynia Open Data portal provides free access to public datasets from Gdynia, Poland.

Helsinki Region Infoshare (HRI) is a free open data portal providing datasets from Helsinki and surrounding cities in Finland.

City, Lviv is an open data portal providing free access to datasets from Lviv, Ukraine, including urban infrastructure, transport, and city services.

City, New York Open Data is one of the largest municipal open data portals in the world, offering thousands of free datasets on topics like 311 complaints, restaurant inspections, traffic, and public safety.

City, Toronto Open Data is Canada's largest municipal open data portal, providing free access to datasets on transit, parks, permits, and public health.

Colorado Information Marketplace is Colorado's official open data portal, offering free access to state government datasets on topics like public health, education, transportation, and demographics.

Data USA is a free, open-source platform that aggregates and visualizes U.S.

Data.parliament.uk provides live datasets from the UK Parliament, including information on MPs, bills, petitions, votes, and attendance records.

The District of Columbia Open Data API gives you free access to hundreds of public datasets from the D.C.

The EPA API provides access to environmental data and web services from the US Environmental Protection Agency, including air quality, water quality, and toxic release data.

The FBI Wanted API provides access to the official FBI Most Wanted list, including details on fugitives, missing persons, and sought individuals.

The Federal Register API provides programmatic access to the official daily journal of the US government, including executive orders, proposed rules, and public notices.

The Interpol Red Notices API provides free access to Interpol's public database of Red Notices, which are international requests to locate and arrest wanted persons.

The Istanbul (IBB) Open Data API provides access to datasets from the Istanbul Metropolitan Municipality, covering transportation, demographics, environment, and urban services across Turkey's largest city.

The Open Government ACT API provides free access to open datasets from the Australian Capital Territory government, covering areas like transport, environment, health, and planning in the Canberra region.

The Open Government Argentina API provides free access to datasets published by the Argentine government, covering topics like economy, health, education, and public infrastructure.

The Open Government Australia API gives free access to thousands of Australian federal and state government datasets, spanning areas such as environment, transport, demographics, and public services.

The Open Government Austria API (data.gv.at) offers free access to official Austrian government datasets across topics like statistics, geography, transport, and public administration.

The Open Government Belgium API provides free access to Belgian federal government datasets, covering areas including economy, environment, mobility, and social statistics.

The Open Government Canada API provides free access to the Canadian federal government's open data catalog, with thousands of datasets on topics ranging from climate and agriculture to health and justice.

The Open Government Colombia API (DANE) offers free access to official Colombian statistical and government data, including census figures, economic indicators, and demographic information.

The Open Government Cyprus API provides free access to official Cypriot government datasets covering topics such as economy, environment, demographics, and public services.

The Open Government Czech Republic API provides free access to official Czech government datasets published under open licenses, covering areas like public administration, transport, environment, and statistics.

The Open Government Denmark API (opendata.dk) provides free access to Danish public sector datasets covering topics such as municipalities, transport, culture, and the environment.

The Open Government Finland API (avoindata.fi) provides free access to Finnish public sector datasets covering topics like geospatial data, transport, statistics, and government services.

The Open Government Germany API (GovData) gives you free access to thousands of German government datasets including statistics, geographic data, and public records.

The Open Government Ireland API provides free access to Irish government datasets through a CKAN-based platform, covering topics like transport, environment, demographics, and public finances.

The Open Government Italy API (dati.gov.it) offers free access to Italian government open data published across national and regional agencies, including datasets on public administration, environment, and transportation.

The Open Government Lithuania API provides free public access to Lithuanian government datasets through a REST interface, covering areas such as public registries, statistics, geography, and legal documents.

The Open Government Mexico (INEGI) API provides free access to official Mexican statistical data published by the National Institute of Statistics and Geography, including population, economy, geography, and census information.

The Open Government Mexico (datos.gob.mx) API provides access to thousands of datasets published by Mexican federal government agencies, covering topics such as health, education, security, and infrastructure.

The Open Government Netherlands API (data.overheid.nl) provides free access to Dutch government datasets through a SPARQL and REST interface, covering topics like legislation, geography, public finance, and environmental data.

The New Zealand Government Open Data API provides free access to datasets published by New Zealand government agencies, covering topics like health, transport, and environmental statistics.

The Norwegian Government Open Data API (data.norge.no) provides access to publicly available datasets from Norwegian government agencies, spanning topics like geography, economy, and public services.

The Peru Open Government Data API (datosabiertos.gob.pe) offers free access to official datasets published by Peruvian government institutions, covering areas like economy, health, and social programs.

The Poland Open Government Data API (dane.gov.pl) provides access to thousands of official datasets published by Polish public institutions, covering topics from transportation and demographics to environment and finance.

The Portugal Open Government Data API (dados.gov.pt) gives developers free access to official datasets from Portuguese government agencies, including statistics on population, economy, and public services.

The Queensland Government Open Data API provides free access to thousands of datasets published by the Queensland (Australia) Government, covering topics like environment, transport, health, and demographics.

The Saudi Arabia Open Government Data API (data.gov.sa) provides access to official datasets from Saudi Arabian government entities, covering topics like economy, infrastructure, and social statistics.

The Slovakia Open Government Data API (data.slovensko.sk) provides free access to official datasets from Slovak public institutions, covering areas like public administration, environment, and social services.

The Slovenia Open Government Data API (podatki.gov.si) provides free access to official datasets published by Slovenian government bodies, including data on public finance, environment, and transportation.

The South Australian Government Open Data API gives you free access to datasets published by South Australian government agencies, covering topics like environment, transport, and public services.

The Spain Open Government Data API (datos.gob.es) exposes thousands of datasets from Spanish public institutions including statistics, geography, and public services.

Sweden open Government Data API (dataportal.se) provides access to metadata and datasets published by Swedish government agencies across topics like transportation, environment, and demographics.

The Switzerland Open Government Data API (opendata.swiss) provides a CKAN-based catalog of datasets from Swiss federal, cantonal, and municipal authorities.

Taiwan Government Open Data API (data.gov.tw) offers access to thousands of datasets from Taiwanese government agencies, including economic, environmental, and social statistics.

The UK Open Government Data API (data.gov.uk) is one of the largest government open data portals, exposing thousands of datasets from UK central and local government agencies.

The USA Government Open Data API (data.gov) gives free access to hundreds of thousands of datasets from US federal agencies covering topics like climate, health, energy, and finance.

Victoria State Government Open Data API (data.vic.gov.au) provides access to datasets published by Victorian government departments on topics including transport, health, environment, and local services.

Western Australia Open Data API (data.wa.gov.au) exposes datasets from WA government agencies on subjects like land, environment, and public services using the CKAN platform.

The PRC Exam Schedule API gives you easy access to upcoming Philippine Professional Regulation Commission board exam dates and schedules.

The Represent API by Open North helps you find Canadian elected officials and government representatives based on location.

USAspending.gov provides a free, open API to explore how the United States federal government spends taxpayer money across contracts, grants, loans, and more.

This Coronavirus API provides the latest global Covid-19 case counts, deaths, and recoveries aggregated from public health sources.

The Coronavirus in the UK API provides official UK Government data on Covid-19 cases, deaths, and vaccinations broken down by region and nation.

The Covid Tracking Project API provides historical US Covid-19 data including tests, hospitalizations, and deaths at the state and national level.

The Covid-19 API by M-Media Group provides daily case counts, deaths, and recoveries for every country in the world.

The Covid-19 Datenhub is a German ArcGIS-based platform that provides maps, datasets, and applications related to the Covid-19 pandemic.

The Covid-19 Government Response API tracks policy measures taken by governments worldwide during the pandemic, such as lockdowns, travel restrictions, and vaccination campaigns.

The Covid-19 India API provides detailed statistics on COVID-19 cases, recoveries, deaths, and vaccinations broken down by Indian state and district.

The Covid-19 JHU CSSE API is a community-built REST API that exposes Johns Hopkins University's COVID-19 dataset in an easy-to-use JSON format.

The Covid-19 Live Data API provides global and country-level COVID-19 statistics including confirmed cases, deaths, and recoveries, sourced from Johns Hopkins University CSSE data.

The Covid-19 Philippines API provides unofficial COVID-19 data for the Philippines derived from Department of Health (DOH) reports, covering case counts, deaths, recoveries, and regional breakdowns.

The COVID-19 Tracker Canada API provides detailed, province-level COVID-19 data for Canada including confirmed cases, deaths, hospitalizations, ICU counts, and vaccination figures.

The Dataflow Kit COVID-19 API aggregates live COVID-19 statistics from multiple official websites and updates the data every hour, providing a unified JSON feed for global and country-level case counts.

The Healthcare.gov API provides access to educational content about the US Health Insurance Marketplace, including articles, glossary terms, and plan information in JSON format.

The Humanitarian Data Exchange (HDX) API provides programmatic access to thousands of open humanitarian datasets covering crises, conflicts, disasters, and development indicators worldwide, shared by UN agencies, NGOs, and governments.

LAPIS (Lightweight API for Sequences) provides open access to SARS-CoV-2 genomic sequence data collected from public databases worldwide.

The Makeup API is a free, open database of cosmetic products including lipsticks, foundations, eyeshadows, and more.

MyVaccination is a free public API providing vaccination statistics for Malaysia, including data on doses administered, vaccine types, and regional breakdowns.

The NPPES NPI Registry API lets you look up US healthcare providers by their National Provider Identifier (NPI) number or by name and specialty.

Open Data NHS Scotland is a free public data platform maintained by Public Health Scotland, offering datasets on hospitals, patient activity, waiting times, and health statistics across Scotland.

Arbeitnow is a free, no-auth API that aggregates tech job listings across Europe and remote-friendly roles worldwide.

DevITjobs UK is a free job board focused on tech and IT positions in the United Kingdom, providing job listings via an XML feed that requires no authentication.

Open Skills is a free, open API providing data on job titles, skills, and the relationships between occupations based on US labor market data.

Deepcode (now part of Snyk) is an AI-powered static code analysis tool that automatically reviews code for bugs, security vulnerabilities, and quality issues.

EXUDE-API is a free text-processing API that removes stop words and performs stemming to clean up raw text for natural language processing tasks.

Gaana is an unofficial API wrapper for the popular Indian music streaming platform Gaana.

Genrenator is a fun, no-auth API that generates random music genre names on demand.

JioSaavn is an unofficial API wrapper for the popular Indian music streaming service JioSaavn.

Lyrics.ovh is a simple, no-authentication API that returns song lyrics given an artist name and song title.

MusicBrainz is a free, open music encyclopedia that provides detailed metadata about artists, releases, recordings, and labels.

Openwhyd is an open-source music curation platform that lets users bookmark and share streaming tracks from YouTube, SoundCloud, and other sources.

Radio Browser is a free, community-driven database of internet radio stations from around the world.

Chronicling America provides free access to millions of digitized historic US newspaper pages from the Library of Congress, spanning from 1770 to 1963.

The Inshorts News API is an unofficial, open-source wrapper that fetches bite-sized news summaries from the Inshorts mobile app.

Spaceflight News API is a free, open REST API that delivers the latest news, blogs, and reports specifically about spaceflight, rockets, and space exploration.

API Setu is an Indian Government platform that aggregates a wide variety of official APIs covering KYC verification, business registration, education records, and employment data.

The Internet Archive API gives you programmatic access to the Wayback Machine and one of the world's largest digital libraries, containing archived websites, books, audio, video, and software.

BotsArchive provides a public database of Telegram bots with details returned in JSON format.

Callook.info is a free API that lets you look up United States amateur (ham) radio callsigns.

The College Scorecard API provides detailed data on U.S.

French Address Search provides programmatic access to address search via the french government via REST API.

The Lowy Asia Power Index API provides data on the relative power of states in Asia, measuring resources and influence across multiple dimensions.

Microlink.io lets you extract structured data—like titles, descriptions, images, and metadata—from any webpage using a simple HTTP request.

The Nobel Prize API provides free, open access to data about all Nobel Prize laureates and prize events since 1901.

Open Data Minneapolis provides free access to the city of Minneapolis's spatial (GIS) and non-spatial datasets including crime statistics, building permits, street infrastructure, and park locations.

openAFRICA is an open data platform hosting a large collection of datasets about African countries, covering topics like health, economics, demographics, and governance.

OpenSanctions provides open access to a consolidated database of sanctioned individuals, criminal entities, and politically exposed persons (PEPs) from over 100 official sources worldwide.

The Umeå Open Data API gives free access to public datasets published by the city of Umeå, Sweden, covering topics like transportation, demographics, and local services.

The Universities List API is a simple, free resource that returns university names, their country, and associated web domains from a community-maintained dataset.

The University of Oslo Open Data API provides free access to information about courses, lecture videos, and academic content from one of Norway's largest universities.

The Urban Observatory API provides access to the largest collection of publicly available real-time urban sensor data in the UK, including traffic, air quality, noise, and environmental readings from across Newcastle and beyond.

The Wikipedia API (MediaWiki API) gives you programmatic access to Wikipedia articles, search functionality, page metadata, and revision history—completely free with no authentication required for read operations.

Countly is an open-source product analytics platform, and its REST API lets you query event data, session metrics, user counts, and custom dashboards you have set up in your Countly instance.

Datamuse is a free word-finding API that helps you discover words by meaning, sound, spelling, and context — no API key needed.

The Drupal.org API gives you programmatic access to information about Drupal modules, projects, users, and releases hosted on drupal.org.

The Evil Insult Generator API returns randomly generated humorous (fictional) insults in multiple languages — no API key required.

The GitHub Contribution Chart Generator API creates a visual representation of any GitHub user's contribution activity over the past year.

GitHub ReadMe Stats is an open-source API that generates dynamic SVG cards showing your GitHub statistics — repos, stars, commits, languages, and more.

Metabase is an open-source business intelligence tool with a REST API that lets you query your databases, manage dashboards, and export data programmatically.

Shields.io is a free API that generates SVG and PNG badge images for use in README files and documentation — showing things like build status, version numbers, license, and download counts.

PatentsView is a free US patent data API from the USPTO that lets you search, filter, and analyze millions of US patents and inventor records without an API key.

The USPTO API provides access to US patent data including full-text patents, patent grants, and trademark records.

Advice Slip is a free, no-auth API that returns a random piece of advice with each request.

Dictum is a free, no-auth API that serves a curated collection of inspiring quotes from famous thinkers, authors, and leaders throughout history.

FOAAS (F*** Off As A Service) is a humorous novelty API that returns comedic dismissal messages in various formats.

Forismatic is a free API that delivers short inspirational and motivational quotes from a curated collection.

icanhazdadjoke is a free API serving the internet's largest collection of dad jokes.