oauth APIs

AniAPI aggregates anime data from multiple sources and lets you search titles, retrieve episode lists, and sync watch progress with popular trackers.

AniList exposes a GraphQL API covering anime and manga metadata, user lists, reviews, and social features.

Kitsu is a JSON:API-compliant anime and manga tracking platform that lets you search titles, manage user libraries, and fetch detailed series metadata.

MyAnimeList (MAL) is the most popular anime and manga tracking site, and its official API lets you search titles, manage user watchlists, and retrieve community statistics.

Shikimori is a Russian-language anime and manga tracking platform whose API exposes anime metadata, user rates, forums, and calendar data.

Dribbble lets you read public design shots, user profiles, and project listings via OAuth.

The Noun Project API gives access to a vast library of over 3 million community-created icons covering virtually every concept imaginable.

This Bhagavad Gita API from bhagavadgita.io provides OAuth-authenticated access to all chapters and verses with English commentary and multiple translations.

Google Books API lets you search millions of books and retrieve volume metadata including cover images, descriptions, and preview links from Google's vast book index.

The Freelancer API lets you post projects, search freelancers, and manage bids and contracts programmatically.

The Gmail API gives you full read/write access to a Gmail inbox via OAuth 2.0 — send messages, read threads, manage labels, and search mail.

Google Analytics Data API (GA4) lets you query sessions, users, and conversion metrics to build custom dashboards or automate reports.

Smartsheet's REST API lets you read and write spreadsheet-style data including rows, columns, and attachments from an online work management platform.

Square provides programmatic access to easy way to take payments, manage refunds, and help customers checkout online via REST API.

Trello's REST API gives you full control over boards, lists, and cards, letting you create cards, move them between lists, add attachments, and subscribe to webhooks for real-time events.

The Google Calendar API allows you to programmatically read, create, update, and delete events on any Google Calendar accessible to the authenticated user.

Box is an enterprise cloud content management platform with a comprehensive API for uploading, downloading, organizing, and sharing files programmatically.

Dropbox provides a widely-used REST API for accessing, uploading, and managing files and folders stored in Dropbox accounts, including shared folders and Business team spaces.

The Google Drive API lets you read, write, and manage files stored in Google Drive programmatically via OAuth 2.0.

The OneDrive API (part of Microsoft Graph) lets you read, upload, and manage files in a user's OneDrive storage using OAuth 2.0.

Buddy is a CI/CD automation platform focused on developer experience, featuring a visual pipeline builder and over 100 pre-built actions for Docker, Kubernetes, cloud deployments, and notifications.

Userstack is a User-Agent string parsing API that detects browser type, version, operating system, and device category from a raw UA string in real time.

The Bitbucket REST API (v2) provides programmatic access to Bitbucket Cloud repositories, pull requests, pipelines, and user accounts, enabling you to automate code review workflows and integrate Bitbucket into your CI/CD toolchain.

The GitHub REST API gives you programmatic access to nearly everything on GitHub — repositories, issues, pull requests, commits, users, organizations, GitHub Actions, and more.

The GitLab REST API provides comprehensive programmatic control over GitLab projects, including repositories, merge requests, pipelines, issues, CI/CD variables, and user management.

The Google Docs API provides full programmatic control over Google Docs documents, including reading content, inserting text, applying styles, and managing document structure.

The Google Keep API allows applications to read and create notes in Google Keep, including text notes, lists, and notes with attachments.

The Google Sheets API enables full programmatic control of spreadsheets — reading cell data, writing values, applying formatting, managing sheets, and creating charts.

The Google Slides API allows you to create, read, and modify Google Slides presentations programmatically, including managing slides, text boxes, images, shapes, and speaker notes.

Gorest is a free online REST API service designed for testing, prototyping, and development — it provides fake but realistic user, post, comment, and todo data via standard CRUD endpoints.

The Heroku Platform API provides full programmatic control over your Heroku apps, dynos, add-ons, pipelines, and configuration variables.

The Netlify API provides full programmatic control over your Netlify account, including deploying sites, managing custom domains, retrieving build logs, and configuring environment variables.

SonarQube provides a REST API for its code quality and security analysis platform, letting you programmatically retrieve metrics, issues, and quality gate statuses for your projects.

The StackExchange API gives you programmatic access to all Stack Overflow and Stack Exchange network sites, including questions, answers, users, tags, and comments.

The ClickUp API provides access to tasks, spaces, folders, lists, goals, and time-tracking data within your ClickUp workspace.

The JIRA REST API allows you to programmatically manage issues, projects, sprints, and workflows in Atlassian JIRA.

Mattermost is an open-source messaging platform, and its REST API lets you build bots, integrations, and automation on top of it.

The Notion API enables you to read and write pages, databases, and blocks in Notion workspaces programmatically.

Podio is a collaborative work management platform with a REST API that lets you manage apps, items, and workspaces programmatically.

Todoist API gives you programmatic access to one of the most popular task management apps, letting you create, read, update, and delete tasks, projects, and labels.

Zube is a full-stack project management platform with a REST API that lets you manage sprints, cards, workspaces, and team members programmatically.

The Eventbrite API lets you search, create, and manage events on the Eventbrite platform.

Banco do Brasil provides a suite of financial APIs covering transactions, payments, PIX transfers, and account data for Brazil's largest public bank.

Front Accounting APIs provide programmatic access to an open-source accounting system designed for small businesses.

Tradier is a US brokerage API that provides access to equity and options market data including delayed quotes, intraday prices, and historical data going back years.

The YNAB (You Need A Budget) API lets you programmatically read and write data from a user's YNAB budget, including accounts, transactions, and category balances.

The Zoho Books API gives you programmatic access to your Zoho Books accounting data, letting you manage invoices, contacts, expenses, and payments from your own apps.

Untappd is a social beer platform that lets users check in beers, rate them, and share with friends.

The Battle.net API provides official game data for Blizzard titles including World of Warcraft, Diablo III, Hearthstone, and StarCraft II.

The Eve Online ESI (EVE Swagger Interface) API provides access to game data for the space MMO EVE Online, including market data, character info, corporation details, and universe data.

Lichess is a free, open-source chess platform, and its API lets you access games, puzzles, player stats, and real-time tournament data.

The Path of Exile API gives you access to game data for the popular action RPG, including character builds, items, and league standings.

SpaceTraders is a programmable MMORPG where you control a fleet of spaceships through a REST API, trading goods and exploring the galaxy.

OpenStreetMap is a free, community-built map of the world that lets you read and contribute geographic data.

The Gazette Data API provides access to official UK public record notices published in The London, Edinburgh, and Belfast Gazettes, including insolvency, company, and government notices.

The Open Government Greece API provides access to official Greek government datasets covering areas such as economy, environment, transportation, and public health.

The UK Companies House API provides official data on companies registered in the United Kingdom, including officers, filings, and financials.

Orion Health is an enterprise healthcare platform API that enables developers to build clinical applications supporting patient management, electronic health records, and care coordination workflows.

Arbeitsamt (Bundesagentur für Arbeit) is the official German federal employment agency API, providing access to millions of job listings across Germany.

The Upwork API gives developers programmatic access to the Upwork freelance platform, including job listings, freelancer profiles, and contract management.

Clarifai is a computer vision and AI platform API that enables image and video recognition, object detection, and custom model training.

7digital is a music platform API that lets you search a large catalog of licensed tracks, albums, and artists and retrieve streaming previews or purchase links.

Audiomack is a music streaming platform API that lets you access tracks, albums, playlists, and artist profiles from its catalog.

Bandcamp is an independent music marketplace API that lets you access artist and fan data, sales information, and music catalog details for authorized accounts.

Deezer is a global music streaming API that gives you access to a catalog of over 90 million tracks, playlists, albums, and artist information.

Discogs is the world's largest music database and marketplace API, covering vinyl records, CDs, and tapes with detailed release data, artist biographies, and pricing.

Genius is a lyrics and music knowledge platform with one of the largest song annotation databases on the web.

Jamendo is a music platform hosting over 600,000 Creative Commons licensed tracks from independent artists worldwide.

KKBOX is a leading music streaming platform in Asia offering a vast catalog of Chinese, Japanese, and Korean music.

The Mixcloud API lets you access DJ mixes, radio shows, and podcast data from Mixcloud's platform.

The SoundCloud API gives you access to tracks, playlists, and user data from the SoundCloud platform.

The Spotify Web API is one of the most popular music APIs, giving you access to Spotify's full catalog of songs, albums, artists, and playlists.

Feedbin is an RSS reader service that exposes a REST API for managing subscriptions, reading articles, and organizing feeds.

The GENESIS API provides access to official statistical data from the Federal Statistical Office of Germany (Destatis).

Socrata is a powerful open data platform that gives you access to thousands of government and civic datasets from around the world.

Wikidata is a free, collaboratively edited knowledge base maintained by the Wikimedia Foundation that stores structured data behind Wikipedia and other Wikimedia projects.

The Creative Commons Catalog API (powered by Openverse) lets you search millions of openly licensed images, audio tracks, and other media that are free to use and share.

The European Patent Office (EPO) Open Patent Services (OPS) API provides access to millions of European patent documents, bibliographic data, and legal status information.

The Medium API allows developers to publish posts, fetch user profiles, and manage publications on the Medium blogging platform.

The Flickr API gives you access to the massive Flickr photo library, letting you search photos, fetch albums, and manage a user's photostream.

The Getty Images API provides programmatic access to one of the largest professional stock photo libraries in the world, with over 480 million images, videos, and illustrations.

Google Photos API lets you access, upload, and organize photos and albums stored in a user Google Photos account.

Imgur API lets you upload, manage, and share images and GIFs on the Imgur platform programmatically.

Shutterstock is a leading stock media platform, and its API lets you search and license millions of professional photos, videos, and music tracks programmatically.

Unsplash is a free high-resolution photography platform, and its API gives you programmatic access to over 3 million professional photos you can use in your projects.

Webdam is a digital asset management (DAM) platform, and its API gives you programmatic access to manage brand assets such as images, logos, videos, and documents stored in your Webdam account.

NASA ADS (Astrophysics Data System) is a digital library for astronomy and physics research papers, with millions of articles going back decades.

The Bitwarden API lets you manage your organization's password vault, collections, and members programmatically using OAuth 2.0 authentication.

The Digi-Key API provides real-time access to pricing, inventory, and detailed specifications for millions of electronic components sold by Digi-Key.

The eBay API gives you access to eBay's massive marketplace, letting you search listings, retrieve product details, manage inventory, and handle orders programmatically.

The Etsy API lets you interact with Etsy's handmade marketplace, enabling you to read shop listings, manage your own shop inventory, and handle orders for Etsy sellers.

The Flipkart Marketplace API allows Flipkart sellers to manage product listings, update inventory, and fulfill orders programmatically through the Flipkart seller platform.

The Rappi API lets developers manage orders placed through the Rappi delivery app.

The Tokopedia API (now served through the TikTok Shop partner portal) allows merchants and developers to integrate with Tokopedia, Indonesia's leading e-commerce marketplace.

The Blogger API from Google lets you read and write content on Blogger-powered blogs, including posts, comments, pages, and user information.

The Discord API lets developers create bots, integrate Discord features into websites, and build rich applications on top of the Discord platform.

The Disqus API gives developers access to Disqus commenting data, including posts, threads, forums, and user information.

The Facebook Graph API is Meta primary way for apps to read and write data to Facebook, including user profiles, pages, posts, photos, and analytics.

Foursquare is a location intelligence platform that lets you access venue data, user check-ins, photos, and tips from millions of real-world places.

Full Contact is an identity resolution API that enriches contact data by returning social media profiles, job titles, and company info from an email address or other identifiers.

The Instagram Graph API allows you to access Instagram account data, media, comments, and insights for business and creator accounts.

The Kakao API provides login, messaging, social sharing, and map services for the KakaoTalk platform, which is dominant in South Korea.

The LINE API lets you integrate LINE Login, messaging, and social sharing into your apps and websites for users in Japan, Thailand, Taiwan, and other markets where LINE is the dominant messaging platform.

The LinkedIn API enables you to integrate LinkedIn Login, share content, and access professional profile data for authenticated users.

Microsoft Graph API is a unified gateway to data across Microsoft 365, including emails, calendars, files, and Teams messages.

NAVER API provides access to South Korea's largest internet portal, including login with NAVER account, search, maps, and social sharing features.

Pinterest API lets you read and write Pinterest data such as boards, pins, and user profiles through OAuth 2.0 authentication.

Product Hunt API lets you access data about newly launched tech products, including upvotes, comments, and maker information using GraphQL and OAuth.

Reddit API provides access to posts, comments, subreddits, and user data from one of the world's largest discussion platforms.

Saidit API is an open-source Reddit clone with a similar REST API structure, making it easy to learn if you are familiar with Reddit's API.

Slack API lets you build bots, post messages, read channel history, and integrate workflows into Slack workspaces using OAuth 2.0.

Telegram MTProto is the full-featured Telegram API that lets you build custom Telegram clients and read/write data for real user accounts, not just bots.

TikTok provides programmatic access to fetches user info and user's video posts on tiktok platform via REST API.

Trash Nothing is the API for a popular freecycling platform where community members post free items they no longer need.

The Tumblr API gives you access to Tumblr's creative blogging platform, letting you read posts, follow blogs, and publish content using OAuth authentication.

The Twitch API lets you access live stream data, game information, user profiles, and channel statistics from one of the world's largest game streaming platforms.

The X API (formerly Twitter API) allows you to read and post content on X, search tweets, manage followers, and access user timelines using OAuth 2.0.

VK (VKontakte) is one of the largest social networks in Eastern Europe, and its API lets you access user profiles, posts, groups, and messages using OAuth authentication.

Fitbit API gives you access to health and fitness data collected by Fitbit devices, including steps, heart rate, sleep, and activity logs.

Strava API lets you connect with athlete profiles, activities, segments, and performance stats from Strava's fitness tracking platform.

Tredict is a sports training platform API that lets you access and record workout activities and health data using OAuth 2.0 authentication.

Code Detection API automatically identifies programming languages and detects code blocks within plain text or mixed content.

apilayer languagelayer is a language detection API that identifies the language of any text across 173 supported languages.

Semantria is a powerful text analytics API by Lexalytics that provides sentiment analysis, entity extraction, and content categorization.

Tisane is a text analytics API specialized in detecting abusive content, hate speech, and cybercrime in user-generated text.

IBM Watson Natural Language Understanding (NLU) is a powerful AI-driven API that extracts semantic meaning from text, including sentiment, entities, keywords, categories, and emotion.

Amadeus for Developers is an OAuth2-protected travel API offering flight search, hotel availability, airport information, and more from one of the largest global distribution systems.

Aviationstack by apilayer provides real-time flight status, schedules, and global aviation data including airports and airlines.

BIC-Boxtech provides technical specifications for shipping containers in the global fleet, including dimensions, tare weight, and capacity details.

The Grab API allows developers to integrate Grab services — including ride-hailing, food delivery, and payments — into their own applications across Southeast Asia.

The SPTrans Olho Vivo API provides real-time bus tracking data for São Paulo's massive municipal bus system in Brazil, one of the largest in the world.

Transport for Sweden (Trafiklab) is a developer platform providing access to public transport data across all of Sweden.

Transport for Vancouver, Canada provides programmatic access to translink via REST API.

Transport for Washington, US (WMATA API) provides real-time and scheduled data for Washington DC's Metro rail and bus system.

Uber provides programmatic access to uber ride requests and price estimation via REST API.

Bitly is one of the most popular URL shortening and link management platforms, offering an API to create, track, and manage short links programmatically.

Smartcar is a connected car API that lets you read vehicle data (odometer, fuel level, location) and send commands (lock/unlock) to real cars with owner permission.

Dailymotion API lets you search, upload, and manage videos on the Dailymotion platform using standard OAuth 2.0 authentication.

The Vimeo API lets you upload videos, manage your Vimeo library, retrieve video metadata, and control playback settings programmatically.

The YouTube Data API lets you search videos, manage playlists, and access channel information directly from Google's video platform.

Foreca is a professional weather data API used by businesses worldwide, offering global forecasts, current conditions, and weather alerts with high accuracy.