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