Development¶
169 free Development APIs — auth type, HTTPS and CORS support for each, so you can pick the right one without opening every docs page.
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Userstack | Secure User-Agent String Lookup JSON API | OAuth |
Yes | Unknown |
| 24 Pull Requests | Project to promote open source collaboration during December | No | Yes | Yes |
| Aether Bridge | Autonomous agent team management and API workflow orchestration | apiKey |
Yes | Unknown |
| Agify.io | Estimates the age from a first name | No | Yes | Yes |
| Amazonscraperapi | Amazon product, search & batch scraping API with residential proxies (1000 free) | apiKey |
Yes | No |
| AmberOne | Turn any website into a build-ready Android, iOS, PWA or Electron app project | apiKey |
Yes | No |
| API Grátis | Multiples services and public APIs | No | Yes | Unknown |
| ApicAgent | Extract device details from user-agent string | No | Yes | Yes |
| ApiFlash | Chrome based screenshot API for developers | apiKey |
Yes | Unknown |
| APIs.guru | Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs | No | Yes | Unknown |
| APIzone | Independent uptime & status monitoring for 200+ popular APIs | No | Yes | Yes |
| Aquanode | Live GPU rental prices and availability across nine cloud providers | No | Yes | No |
| Azure DevOps | The Azure DevOps basic components of a REST API request/response pair | apiKey |
Yes | Unknown |
| Base | Building quick backends | apiKey |
Yes | Yes |
| Beeceptor | Build a mock Rest API endpoint in seconds | No | Yes | Yes |
| Bitbucket | Bitbucket API | OAuth |
Yes | Unknown |
| Blague.xyz | La plus grande API de Blagues FR/The biggest FR jokes API | apiKey |
Yes | Yes |
| Blitapp | Schedule screenshots of web pages and sync them to your cloud | apiKey |
Yes | Unknown |
| Blynk-Cloud | Control IoT Devices from Blynk IoT Cloud | apiKey |
No | Unknown |
| Bored | Find random activities to fight boredom | No | Yes | Unknown |
| Brainshop.ai | Make A Free A.I Brain | apiKey |
Yes | Yes |
| BrewPage | Free hosting for HTML, JSON, key-value, files, multi-file sites with short URLs and TTL retention | No | Yes | No |
| Browshot | Easily make screenshots of web pages in any screen size, as any device | apiKey |
Yes | Yes |
| CDNJS | Library info on CDNJS | No | Yes | Unknown |
| Changelogs.md | Structured changelog metadata from open source projects | No | Yes | Unknown |
| Ciprand | Secure random string generator | No | Yes | No |
| Cloudflare | Manage DNS, CDN, Workers and other services; documented with an official OpenAPI 3.0 spec | apiKey |
Yes | No |
| Cloudflare Trace | Get IP Address, Timestamp, User Agent, Country Code, IATA, HTTP Version, TLS/SSL Version & More | No | Yes | Yes |
| Codex | Online Compiler for Various Languages | No | Yes | Unknown |
| Contentful Images | Used to retrieve and apply transformations to images | apiKey |
Yes | Yes |
| CORS Proxy | Get around the dreaded CORS error by using this proxy as a middle man | No | Yes | Yes |
| CountAPI | Free and simple counting service. You can use it to track page hits and specific events | No | Yes | Yes |
| crates.io | Rust crate versions, downloads and dependency metadata | No | Yes | Yes |
| Crawl Readiness | Check if AI crawlers (ChatGPT, Claude, Perplexity, 30+ others) can access any website | apiKey |
Yes | Yes |
| Databricks | Service to manage your databricks account,clusters, notebooks, jobs and workspaces | apiKey |
Yes | Yes |
| Diagrams.so | Generate editable draw.io architecture diagrams from text or infrastructure code | apiKey |
Yes | No |
| DigitalOcean Status | Status of all DigitalOcean services | No | Yes | Unknown |
| DigMyName | Domain availability and registrar pricing across 52 TLDs | No | Yes | Yes |
| Docker Hub | Interact with Docker Hub | apiKey |
Yes | Yes |
| DomainDb Info | Domain name search to find all domains containing particular words/phrases/etc | No | Yes | Unknown |
| dotsweep | Domain availability across 1200+ TLDs with registration and renewal prices | No | Yes | Yes |
| DownStatus | Real-time status for GitHub, AWS, Discord and 90+ services | No | Yes | Yes |
| ExtendsClass JSON Storage | A simple JSON store API | No | Yes | Yes |
| Fair Draw | Verifiable random draws bound to the drand public randomness beacon | No | Yes | Yes |
| GeekFlare | Provide numerous capabilities for important testing and monitoring methods for websites | apiKey |
Yes | Unknown |
| GcrawlAI | Web scraping, SERP API, screenshots, URL to Markdown and prebuilt extractors | apiKey |
Yes | Yes |
| Genderize.io | Estimates a gender from a first name | No | Yes | Yes |
| GETPing | Trigger an email notification with a simple GET request | apiKey |
Yes | Unknown |
| Ghost | Get Published content into your Website, App or other embedded media | apiKey |
Yes | Yes |
| GitHub | Make use of GitHub repositories, code and user info programmatically | OAuth |
Yes | Yes |
| Gitlab | Automate GitLab interaction programmatically | OAuth |
Yes | Unknown |
| Gitter | Chat for Developers | OAuth |
Yes | Unknown |
| Glitterly | Image generation API | apiKey |
Yes | Yes |
| Google Docs | API to read, write, and format Google Docs documents | OAuth |
Yes | Unknown |
| Google Firebase | Google's mobile application development platform that helps build, improve, and grow app | apiKey |
Yes | Yes |
| Google Fonts | Metadata for all families served by Google Fonts | apiKey |
Yes | Unknown |
| Google Keep | API to read, write, and format Google Keep notes | OAuth |
Yes | Unknown |
| Google Sheets | API to read, write, and format Google Sheets data | OAuth |
Yes | Unknown |
| Google Slides | API to read, write, and format Google Slides presentations | OAuth |
Yes | Unknown |
| Gorest | Online REST API for Testing and Prototyping | OAuth |
Yes | Unknown |
| Hasura | GraphQL and REST API Engine with built in Authorization | apiKey |
Yes | Yes |
| Heroku | REST API to programmatically create apps, provision add-ons and perform other task on Heroku | OAuth |
Yes | Yes |
| Hex | Elixir and Erlang package versions and docs | No | Yes | Unknown |
| host-t.com | Basic DNS query via HTTP GET request | No | Yes | No |
| Host.io | Domains Data API for Developers | apiKey |
Yes | Yes |
| HTTP2.Pro | Test endpoints for client and server HTTP/2 protocol support | No | Yes | Unknown |
| Httpbin | A Simple HTTP Request & Response Service | No | Yes | Yes |
| Httpbin Cloudflare | A Simple HTTP Request & Response Service with HTTP/3 Support by Cloudflare | No | Yes | Yes |
| Hipsum | Hipster-themed lorem ipsum generator for placeholder text | No | Yes | Unknown |
| Hunter | API for domain search, professional email finder, author finder and email verifier | apiKey |
Yes | Unknown |
| IBM Text to Speech | Convert text to speech | apiKey |
Yes | Yes |
| Icanhazepoch | Get Epoch time | No | Yes | Yes |
| Icanhazip | IP Address API | No | Yes | Yes |
| IFTTT | IFTTT Connect API | No | Yes | Unknown |
| Image-Charts | Generate charts, QR codes and graph images | No | Yes | Yes |
| import.io | Retrieve structured data from a website or RSS feed | apiKey |
Yes | Unknown |
| ip-fast.com | IP address, country and city | No | Yes | Yes |
| IP2WHOIS Information Lookup | WHOIS domain name lookup | apiKey |
Yes | Unknown |
| ipfind.io | Geographic location of an IP address or any domain name along with some other useful information | apiKey |
Yes | Yes |
| IPify | A simple IP Address API | No | Yes | Unknown |
| IPinfo | Another simple IP Address API | No | Yes | Unknown |
| Is This Site Down? | Check if any website is down, from two continents; live status, uptime history and TLS expiry | No | Yes | Yes |
| isitdownstatus | Check if websites and online services are currently down | No | Yes | Unknown |
| jsDelivr | Package info and download stats on jsDelivr CDN | No | Yes | Yes |
| JSON 2 JSONP | Convert JSON to JSONP (on-the-fly) for easy cross-domain data requests using client-side JavaScript | No | Yes | Unknown |
| JSONbin.io | Free JSON storage service. Ideal for small scale Web apps, Websites and Mobile apps | apiKey |
Yes | Yes |
| JSONPlaceholder | Fake REST API for testing and prototyping | No | Yes | Yes |
| Keyvalue | Simple key-value storage REST API for quick prototyping | No | Yes | Unknown |
| Kroki | Creates diagrams from textual descriptions | No | Yes | Yes |
| Labelixa | Render, validate and generate Zebra ZPL label barcodes as PNG/PDF | apiKey |
Yes | Yes |
| License-API | Unofficial REST API for choosealicense.com | No | Yes | No |
| Logs.to | Generate logs | apiKey |
Yes | Unknown |
| Lua Decompiler | Online Lua 5.1 Decompiler | No | Yes | Yes |
| MAC address vendor lookup | Retrieve vendor details and other information regarding a given MAC address or an OUI | apiKey |
Yes | Yes |
| Micro DB | Simple database service | apiKey |
Yes | Unknown |
| Micro-SaaS AI Suite | 8 serverless AI APIs for sentiment analysis, copy generation, email verification, & OCR | apiKey |
Yes | Unknown |
| MicroENV | Fake Rest API for developers | No | Yes | Unknown |
| Mocky | Mock user defined test JSON for REST API endpoints | No | Yes | Yes |
| MY IP | Get IP address information | No | Yes | Unknown |
| MyIPRightNow | Public IP address with network, location, and connection details | No | Yes | Yes |
| Nationalize.io | Estimate the nationality of a first name | No | Yes | Yes |
| Netlify | Netlify is a hosting service for the programmable web | OAuth |
Yes | Unknown |
| NetworkCalc | Network calculators, including subnets, DNS, binary, and security tools | No | Yes | Yes |
| npm Registry | Query information about your favorite Node.js libraries programatically | No | Yes | Unknown |
| NuGet | .NET package versions, metadata and search | No | Yes | Yes |
| OneSignal | Self-serve customer engagement solution for Push Notifications, Email, SMS & In-App | apiKey |
Yes | Unknown |
| Open Page Rank | API for calculating and comparing metrics of different websites using Page Rank algorithm | apiKey |
Yes | Unknown |
| OpenAPIHub | The All-in-one API Platform | X-Mashape-Key |
Yes | Unknown |
| OpenGraphr | Really simple API to retrieve Open Graph data from an URL | apiKey |
Yes | Unknown |
| OpenQR | Generate QR codes and manage dynamic (editable) QR codes with scan analytics | apiKey |
Yes | Yes |
| Orca Scan | Generate barcode images (QR, Code 128, EAN, Data Matrix and more) in SVG, PNG, JPG or PDF | No | Yes | Yes |
| OutageDeck | Live status and incidents for 170+ cloud and SaaS providers from official feeds | No | Yes | Yes |
| oyyi | API for Fake Data, image/video conversion, optimization, pdf optimization and thumbnail generation | No | Yes | Yes |
| Packagist | PHP Composer package versions and dist metadata | No | Yes | No |
| PageCDN | Public API for javascript, css and font libraries on PageCDN | apiKey |
Yes | Yes |
| Peak | Cloudflare Turnstile and 5-second challenge solving, pay per successful solve, 1,000 free solves | apiKey |
Yes | Yes |
| Phone Specs | Real-time smartphone specifications database for 263 devices | No | Yes | Yes |
| Postman | Tool for testing APIs | apiKey |
Yes | Unknown |
| ProxyCrawl | Scraping and crawling anticaptcha service | apiKey |
Yes | Unknown |
| ProxyForge | Free auto-updating list of live-tested proxies (HTTP/HTTPS/SOCKS4/SOCKS5), refreshed every 6 h | No | Yes | Yes |
| ProxyKingdom | Rotating Proxy API that produces a working proxy on every request | apiKey |
Yes | Yes |
| Pusher Beams | Push notifications for Android & iOS | apiKey |
Yes | Unknown |
| QR & Barcode | QR codes and barcodes (Code 128, EAN-13, Data Matrix, PDF417 + more). SVG or PNG output | No | Yes | Yes |
| QR code | Create an easy to read QR code and URL shortener | No | Yes | Yes |
| QR code | Generate and decode / read QR code graphics | No | Yes | Unknown |
| QR Code Crafter | Generate static QR codes in SVG, PNG, JPG, WebP, PDF, or EPS | No | Yes | Yes |
| QR Codes | Generate QR codes via a single GET request, with logo embedding and custom colors | apiKey |
Yes | No |
| Qrcode Monkey | Integrate custom and unique looking QR codes into your system or workflow | No | Yes | Unknown |
| QuickChart | Generate chart and graph images | No | Yes | Yes |
| Random Stuff | Can be used to get AI Response, jokes, memes, and much more at lightning-fast speed | apiKey |
Yes | Yes |
| Rejax | Reverse AJAX service to notify clients | apiKey |
Yes | No |
| Renderwolf | Screenshots, PDFs, dynamic images, QR codes and video from URLs or HTML | apiKey |
Yes | No |
| ReqRes | A hosted REST-API ready to respond to your AJAX requests | No | Yes | Unknown |
| RSS feed to JSON | Returns RSS feed in JSON format using feed URL | No | Yes | Yes |
| RubyGems | Ruby gem metadata, versions, dependencies and search | No | Yes | Yes |
| SavePage.io | A free, RESTful API used to screenshot any desktop, or mobile website | apiKey |
Yes | Yes |
| ScrapeNinja | Scraping API with Chrome fingerprint and residential proxies | apiKey |
Yes | Unknown |
| ScraperApi | Easily build scalable web scrapers | apiKey |
Yes | Unknown |
| scraperBox | Undetectable web scraping API | apiKey |
Yes | Yes |
| scrapestack | Real-time, Scalable Proxy & Web Scraping REST API | apiKey |
Yes | Unknown |
| ScrapingAnt | Headless Chrome scraping with a simple API | apiKey |
Yes | Unknown |
| ScrapingDog | Proxy API for Web scraping | apiKey |
Yes | Unknown |
| Scrax | Web scraping API that only bills for successful scrapes | apiKey |
Yes | Unknown |
| Screenshot | Take programmatic screenshots of web pages from any website | apiKey |
Yes | Yes |
| ScreenshotAPI.net | Create pixel-perfect website screenshots | apiKey |
Yes | Yes |
| Serialif Color | Color conversion, complementary, grayscale and contrasted text | No | Yes | No |
| Serply | Google, Bing, News, Scholar and Maps search results and page scraping as JSON | apiKey |
Yes | Yes |
| serpstack | Real-Time & Accurate Google Search Results API | apiKey |
Yes | Yes |
| Sheetsu | Easy google sheets integration | apiKey |
Yes | Unknown |
| Shotanvil | Screenshot, PDF and HTML rendering API with a free tier, API key or x402 auth | apiKey |
Yes | No |
| SHOUTCLOUD | ALL-CAPS AS A SERVICE | No | No | Unknown |
| SiteIntel | Extract metadata, tech stack, emails, and screenshots from any URL | apiKey |
Yes | Unknown |
| Sonar | Project Sonar DNS Enumeration API | No | Yes | Yes |
| SonarQube | SonarQube REST APIs to detect bugs, code smells & security vulnerabilities | OAuth |
Yes | Unknown |
| StackExchange | Q&A forum for developers | OAuth |
Yes | Unknown |
| Statically | A free CDN for developers | No | Yes | Yes |
| Supportivekoala | Autogenerate images with template | apiKey |
Yes | Yes |
| Suprsonic | Unified agent API: search, scrape, enrich, image gen, TTS, STT, messaging. One key, 20+ capabilities | apiKey |
Yes | Yes |
| Talordata | SERP data from major search engines with a free trial | apiKey |
Yes | Unknown |
| Thunder Client | API testing tool | No | Yes | Yes |
| Thunderbit | Extract web pages as Markdown or structured data for AI apps | apiKey |
Yes | Unknown |
| TinyMind Agent Tools | Free APIs by an AI agent on a VPS: actor lookup, word-of-the-day, poems, jokes, ping | No | Yes | Yes |
| Tyk | Api and service management platform | apiKey |
Yes | Yes |
| Utilorax | 203 JSON endpoints: hashing, encoding, unit conversion, text, dates and file conversion | apiKey |
Yes | Yes |
| Wandbox | Code compiler supporting 35+ languages mentioned at wandbox.org | No | Yes | Unknown |
| Web Metadata & Contact Extractor | Extract SEO metadata, contact emails, social links, and tech stack (<200ms) | apiKey |
Yes | Yes |
| Webclaw | Web content extraction for LLMs with scrape, crawl, search, and summarize | apiKey |
Yes | Yes |
| WebScraping.AI | Web Scraping API with built-in proxies and JS rendering | apiKey |
Yes | Yes |
| ZenRows | Web Scraping API that bypasses anti-bot solutions while offering JS rendering, and rotating proxies | apiKey |
Yes | Unknown |
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