Free Development APIs

52 free APIs in Development that require no authentication. Start building immediately — no API key needed. 120 total Development APIs available.

24 Pull Requests

24 Pull Requests is a development API described as: Project to promote open source collaboration during December.

Top Use Case

Add project to promote open source collaboration during december to a development discovery or reference application.

No Auth Beginner HTTPS

Agify.io

Agify.io is a development API described as: Estimates the age from a first name.

Top Use Case

Add estimates the age from a first name to a development discovery or reference application.

No Auth Beginner HTTPS

API Grátis

API Grátis is a development API described as: Multiples services and public APIs.

Top Use Case

Add multiples services and public apis to a development discovery or reference application.

No Auth Beginner HTTPS

ApicAgent

ApicAgent is a development API described as: Extract device details from user-agent string.

Top Use Case

Add extract device details from user-agent string to a development discovery or reference application.

No Auth Beginner HTTPS

APIs.guru

APIs.guru is a development API described as: Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs.

Top Use Case

Add wikipedia for web apis, openapi/swagger specs for public apis to a development discovery or reference application.

No Auth Beginner HTTPS

Beeceptor

Beeceptor is a development API described as: Build a mock Rest API endpoint in seconds.

Top Use Case

Add build a mock rest api endpoint in seconds to a development discovery or reference application.

No Auth Beginner HTTPS

Bored

Bored is a development API described as: Find random activities to fight boredom.

Top Use Case

Add find random activities to fight boredom to a development discovery or reference application.

No Auth Beginner HTTPS

CDNJS

CDNJS is a development API described as: Library info on CDNJS.

Top Use Case

Add library info on cdnjs to a development discovery or reference application.

No Auth Beginner HTTPS

Changelogs.md

Changelogs.md is a development API described as: Structured changelog metadata from open source projects.

Top Use Case

Add structured changelog metadata from open source projects to a development discovery or reference application.

No Auth Beginner HTTPS

Ciprand

Ciprand is a development API described as: Secure random string generator.

Top Use Case

Add secure random string generator to a development discovery or reference application.

No Auth Beginner HTTPS

Cloudflare Trace

Cloudflare Trace is a development API described as: Get IP Address, Timestamp, User Agent, Country Code, IATA, HTTP Version, TLS/SSL Version & More.

Top Use Case

Add get ip address, timestamp, user agent, country code, iata, http version, tls/ssl version & more to a development discovery or reference application.

No Auth Beginner HTTPS

Codex

Codex is a development API described as: Online Compiler for Various Languages.

Top Use Case

Add online compiler for various languages to a development discovery or reference application.

No Auth Beginner HTTPS

CORS Proxy

CORS Proxy is a development API described as: Get around the dreaded CORS error by using this proxy as a middle man.

Top Use Case

Add get around the dreaded cors error by using this proxy as a middle man to a development discovery or reference application.

No Auth Beginner HTTPS

CountAPI

CountAPI is a development API described as: Free and simple counting service.

Top Use Case

Add free and simple counting service. you can use it to track page hits and specific events to a development discovery or reference application.

No Auth Beginner HTTPS

DigitalOcean Status

DigitalOcean Status is a development API described as: Status of all DigitalOcean services.

Top Use Case

Add status of all digitalocean services to a development discovery or reference application.

No Auth Beginner HTTPS

DomainDb Info

DomainDb Info is a development API described as: Domain name search to find all domains containing particular words/phrases/etc.

Top Use Case

Add domain name search to find all domains containing particular words/phrases/etc to a development discovery or reference application.

No Auth Beginner HTTPS

ExtendsClass JSON Storage

ExtendsClass JSON Storage is a development API described as: A simple JSON store API.

Top Use Case

Add a simple json store api to a development discovery or reference application.

No Auth Beginner HTTPS

Genderize.io

Genderize.io is a development API described as: Estimates a gender from a first name.

Top Use Case

Add estimates a gender from a first name to a development discovery or reference application.

No Auth Beginner HTTPS

host-t.com

host-t.com is a development API described as: Basic DNS query via HTTP GET request.

Top Use Case

Add basic dns query via http get request to a development discovery or reference application.

No Auth Beginner HTTPS

HTTP2.Pro

HTTP2.Pro is a development API described as: Test endpoints for client and server HTTP/2 protocol support.

Top Use Case

Add test endpoints for client and server http/2 protocol support to a development discovery or reference application.

No Auth Beginner HTTPS

Httpbin

Httpbin is a development API described as: A Simple HTTP Request & Response Service.

Top Use Case

Add a simple http request & response service to a development discovery or reference application.

No Auth Beginner HTTPS

Httpbin Cloudflare

Httpbin Cloudflare is a development API described as: A Simple HTTP Request & Response Service with HTTP/3 Support by Cloudflare.

Top Use Case

Add a simple http request & response service with http/3 support by cloudflare to a development discovery or reference application.

No Auth Beginner HTTPS

Icanhazepoch

Icanhazepoch is a development API described as: Get Epoch time.

Top Use Case

Add get epoch time to a development discovery or reference application.

No Auth Beginner HTTPS

Icanhazip

Icanhazip is a development API described as: IP Address API.

Top Use Case

Add ip address api to a development discovery or reference application.

No Auth Beginner HTTPS

IFTTT

IFTTT is a development API described as: IFTTT Connect API.

Top Use Case

Add ifttt connect api to a development discovery or reference application.

No Auth Beginner HTTPS

Image-Charts

Image-Charts is a development API described as: Generate charts, QR codes and graph images.

Top Use Case

Add generate charts, qr codes and graph images to a development discovery or reference application.

No Auth Beginner HTTPS

ip-fast.com

ip-fast.com is a development API described as: IP address, country and city.

Top Use Case

Add ip address, country and city to a development discovery or reference application.

No Auth Beginner HTTPS

IPify

IPify is a development API described as: A simple IP Address API.

Top Use Case

Add a simple ip address api to a development discovery or reference application.

No Auth Beginner HTTPS

IPinfo

IPinfo is a development API described as: Another simple IP Address API.

Top Use Case

Add another simple ip address api to a development discovery or reference application.

No Auth Beginner HTTPS

jsDelivr

jsDelivr is a development API described as: Package info and download stats on jsDelivr CDN.

Top Use Case

Add package info and download stats on jsdelivr cdn to a development discovery or reference application.

No Auth Beginner HTTPS

JSON 2 JSONP

JSON 2 JSONP is a development API described as: Convert JSON to JSONP (on-the-fly) for easy cross-domain data requests using client-side JavaScript.

Top Use Case

Add convert json to jsonp (on-the-fly) for easy cross-domain data requests using client-side javascript to a development discovery or reference application.

No Auth Beginner HTTPS

Kroki

Kroki is a development API described as: Creates diagrams from textual descriptions.

Top Use Case

Add creates diagrams from textual descriptions to a development discovery or reference application.

No Auth Beginner HTTPS

License-API

License-API is a development API described as: Unofficial REST API for choosealicense.com.

Top Use Case

Add unofficial rest api for choosealicense.com to a development discovery or reference application.

No Auth Beginner HTTPS

Lua Decompiler

Lua Decompiler is a development API described as: Online Lua 5.1 Decompiler.

Top Use Case

Add online lua 5.1 decompiler to a development discovery or reference application.

No Auth Beginner HTTPS

MicroENV

MicroENV is a development API described as: Fake Rest API for developers.

Top Use Case

Add fake rest api for developers to a development discovery or reference application.

No Auth Beginner HTTPS

Mocky

Mocky is a development API described as: Mock user defined test JSON for REST API endpoints.

Top Use Case

Add mock user defined test json for rest api endpoints to a development discovery or reference application.

No Auth Beginner HTTPS

MY IP

MY IP is a development API described as: Get IP address information.

Top Use Case

Add get ip address information to a development discovery or reference application.

No Auth Beginner HTTPS

Nationalize.io

Nationalize.io is a development API described as: Estimate the nationality of a first name.

Top Use Case

Add estimate the nationality of a first name to a development discovery or reference application.

No Auth Beginner HTTPS

NetworkCalc

NetworkCalc is a development API described as: Network calculators, including subnets, DNS, binary, and security tools.

Top Use Case

Add network calculators, including subnets, dns, binary, and security tools to a development discovery or reference application.

No Auth Beginner HTTPS

npm Registry

npm Registry is a development API described as: Query information about your favorite Node.js libraries programatically.

Top Use Case

Add query information about your favorite node.js libraries programatically to a development discovery or reference application.

No Auth Beginner HTTPS

oyyi

oyyi is a development API described as: API for Fake Data, image/video conversion, optimization, pdf optimization and thumbnail generation.

Top Use Case

Add api for fake data, image/video conversion, optimization, pdf optimization and thumbnail generation to a development discovery or reference application.

No Auth Beginner HTTPS

QR code

QR code is a development API described as: Create an easy to read QR code and URL shortener.

Top Use Case

Add create an easy to read qr code and url shortener to a development discovery or reference application.

No Auth Beginner HTTPS

QR code

QR code is a development API described as: Generate and decode / read QR code graphics.

Top Use Case

Add generate and decode / read qr code graphics to a development discovery or reference application.

No Auth Beginner HTTPS

Qrcode Monkey

Qrcode Monkey is a development API described as: Integrate custom and unique looking QR codes into your system or workflow.

Top Use Case

Add integrate custom and unique looking qr codes into your system or workflow to a development discovery or reference application.

No Auth Beginner HTTPS

QuickChart

QuickChart is a development API described as: Generate chart and graph images.

Top Use Case

Add generate chart and graph images to a development discovery or reference application.

No Auth Beginner HTTPS

ReqRes

ReqRes is a development API described as: A hosted REST-API ready to respond to your AJAX requests.

Top Use Case

Add a hosted rest-api ready to respond to your ajax requests to a development discovery or reference application.

No Auth Beginner HTTPS

RSS feed to JSON

RSS feed to JSON is a development API described as: Returns RSS feed in JSON format using feed URL.

Top Use Case

Add returns rss feed in json format using feed url to a development discovery or reference application.

No Auth Beginner HTTPS

Serialif Color

Serialif Color is a development API described as: Color conversion, complementary, grayscale and contrasted text.

Top Use Case

Add color conversion, complementary, grayscale and contrasted text to a development discovery or reference application.

No Auth Beginner HTTPS

SHOUTCLOUD

SHOUTCLOUD is a development API described as: ALL-CAPS AS A SERVICE.

Top Use Case

Add all-caps as a service to a development discovery or reference application.

No Auth Beginner

Sonar

Sonar is a development API described as: Project Sonar DNS Enumeration API.

Top Use Case

Add project sonar dns enumeration api to a development discovery or reference application.

No Auth Beginner HTTPS

Statically

Statically is a development API described as: A free CDN for developers.

Top Use Case

Add a free cdn for developers to a development discovery or reference application.

No Auth Beginner HTTPS

Wandbox

Wandbox is a development API described as: Code compiler supporting 35+ languages mentioned at wandbox.org.

Top Use Case

Add code compiler supporting 35+ languages mentioned at wandbox.org to a development discovery or reference application.

No Auth Beginner HTTPS

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