Development

Secure User-Agent String Lookup JSON API

Project to promote open source collaboration during December

Autonomous agent team management and API workflow orchestration

Continuously probed registry of APIs, MCP servers and CLIs callable by agents

DNS records, WHOIS/RDAP, IP ownership and domain reports for AI agents, paid per call via x402

Estimates the age from a first name

Website screenshots and PDFs with full-page capture, dark mode and ad blocking

Amazon product, search & batch scraping API with residential proxies (1000 free)

Turn any website into a build-ready Android, iOS, PWA or Electron app project

Answers, citations and sources from AI assistants and Google surfaces through one API

Multiples services and public APIs

API Tool Calls: Home cost planners, page to Markdown, SEO checks and recalls

Extract device details from user-agent string

Chrome based screenshot API for developers

Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs

Independent uptime & status monitoring for 200+ popular APIs

Live GPU rental prices and availability across nine cloud providers

The Azure DevOps basic components of a REST API request/response pair

Building quick backends

Build a mock Rest API endpoint in seconds

Bitbucket API

La plus grande API de Blagues FR/The biggest FR jokes API

Schedule screenshots of web pages and sync them to your cloud

Control IoT Devices from Blynk IoT Cloud

Find random activities to fight boredom

Claimability verdicts for GitHub bounty issues; free stats and sample, checks paid per call via x402

Make A Free A.I Brain

Free hosting for HTML, JSON, key-value, files, multi-file sites with short URLs and TTL retention

Easily make screenshots of web pages in any screen size, as any device

Library info on CDNJS

Structured changelog metadata from open source projects

Chart image API: turn a URL into a PNG or SVG chart (bar, line, area, scatter, pie, donut, stacked)

Secure random string generator

Live public web data as JSON: Google Search, Maps, News, Amazon, jobs, reviews & more, one API key

Convert cookie formats, check Claude sessions and generate Claude Code credentials

Manage DNS, CDN, Workers and other services; documented with an official OpenAPI 3.0 spec

Get IP Address, Timestamp, User Agent, Country Code, IATA, HTTP Version, TLS/SSL Version & More

Online Compiler for Various Languages

Used to retrieve and apply transformations to images

Get around the dreaded CORS error by using this proxy as a middle man

Free and simple counting service. You can use it to track page hits and specific events

Rust crate versions, downloads and dependency metadata

Check if AI crawlers (ChatGPT, Claude, Perplexity, 30+ others) can access any website

Service to manage your databricks account,clusters, notebooks, jobs and workspaces

Generate editable draw.io architecture diagrams from text or infrastructure code

Status of all DigitalOcean services

Domain availability and registrar pricing across 52 TLDs

Interact with Docker Hub

DNS records, SPF/DMARC detection and TLS certificate expiry

Domain name search to find all domains containing particular words/phrases/etc

Domain availability across 1200+ TLDs with registration and renewal prices

Real-time status for GitHub, AWS, Discord and 90+ services

Software end-of-life dates and support lifecycles

A simple JSON store API

Verifiable random draws bound to the drand public randomness beacon

Website screenshot API with cookie banners and chat widgets removed; free tier

Provide numerous capabilities for important testing and monitoring methods for websites

Web scraping, SERP API, screenshots, URL to Markdown and prebuilt extractors

Estimates a gender from a first name

Barcode (EAN-13, UPC-A, Code 128, ITF-14) and QR code images, PNG or SVG. Docs in Portuguese

Trigger an email notification with a simple GET request

Get Published content into your Website, App or other embedded media

Make use of GitHub repositories, code and user info programmatically

GitHub Trending repositories with star history and open-source alternatives to paid tools

Automate GitLab interaction programmatically

Chat for Developers

Image generation API

Go module versions and source metadata

API to read, write, and format Google Docs documents

Google's mobile application development platform that helps build, improve, and grow app

Metadata for all families served by Google Fonts

API to read, write, and format Google Keep notes

Website performance and Lighthouse audit scores

API to read, write, and format Google Sheets data

API to read, write, and format Google Slides presentations

Online REST API for Testing and Prototyping

GraphQL and REST API Engine with built in Authorization

REST API to programmatically create apps, provision add-ons and perform other task on Heroku

Elixir and Erlang package versions and docs

Package and cask data for the Homebrew package manager

Basic DNS query via HTTP GET request

Domains Data API for Developers

Source-backed hosting price and provider record lookup

Test endpoints for client and server HTTP/2 protocol support

A Simple HTTP Request & Response Service

Hipster-themed lorem ipsum generator for placeholder text

API for domain search, professional email finder, author finder and email verifier

Convert text to speech

Get Epoch time

IP Address API

IFTTT Connect API

Generate charts, QR codes and graph images

Retrieve structured data from a website or RSS feed

Agent-first directory of skills, MCP servers, tools, protocols and APIs as JSON, markdown, llms.txt

IP address, country and city

WHOIS domain name lookup

Geographic location of an IP address or any domain name along with some other useful information

A simple IP Address API

Another simple IP Address API

Screenshots, PDFs, dynamic images, QR codes and video from URLs or HTML

Check if any website is down, from two continents; live status, uptime history and TLS expiry

Package info and download stats on jsDelivr CDN

Convert JSON to JSONP (on-the-fly) for easy cross-domain data requests using client-side JavaScript

Free JSON storage service. Ideal for small scale Web apps, Websites and Mobile apps

Fake REST API for testing and prototyping

Save JSON with one request and get a URL; private JSON for each signed-in user of your app

Simple key-value storage REST API for quick prototyping

Creates diagrams from textual descriptions

Render, validate and generate Zebra ZPL label barcodes as PNG/PDF

Unofficial REST API for choosealicense.com

Live-tested HTTP, SOCKS4, and SOCKS5 proxies with latency, uptime, and geolocation

Live up/down status of 240+ online services, checked every minute from 3 regions

Generate logs

Online Lua 5.1 Decompiler

Retrieve vendor details and other information regarding a given MAC address or an OUI

MAC address and OUI vendor lookup synced from IEEE, with randomized-MAC detection

Simple database service

8 serverless AI APIs for sentiment analysis, copy generation, email verification, & OCR

Fake Rest API for developers

Mock user defined test JSON for REST API endpoints

Public message board for agent-to-agent messaging, no account or key

Get IP address information

Public IP address with network, location, and connection details

Gender from a first name, full name, email or username, with probability

Estimate the nationality of a first name

Everything derivable from one value: numbers, dates, colours, UUIDs, cron expressions

Netlify is a hosting service for the programmable web

Network calculators, including subnets, DNS, binary, and security tools

Query information about your favorite Node.js libraries programatically

.NET package versions, metadata and search

Self-serve customer engagement solution for Push Notifications, Email, SMS & In-App

API for calculating and comparing metrics of different websites using Page Rank algorithm

Search and access VS Code extensions from the Open VSX registry

The All-in-one API Platform

Really simple API to retrieve Open Graph data from an URL

Generate QR codes and manage dynamic (editable) QR codes with scan analytics

Generate barcode images (QR, Code 128, EAN, Data Matrix and more) in SVG, PNG, JPG or PDF

Live status and incidents for 170+ cloud and SaaS providers from official feeds

API for Fake Data, image/video conversion, optimization, pdf optimization and thumbnail generation

PHP Composer package versions and dist metadata

Public API for javascript, css and font libraries on PageCDN

Cloudflare Turnstile and 5-second challenge solving, pay per successful solve, 1,000 free solves

Tool for testing APIs

Scraping and crawling anticaptcha service

Free auto-updating list of live-tested proxies (HTTP/HTTPS/SOCKS4/SOCKS5), refreshed every 6 h

Rotating Proxy API that produces a working proxy on every request

Push notifications for Android & iOS

QR codes and barcodes (Code 128, EAN-13, Data Matrix, PDF417 + more). SVG or PNG output

Create an easy to read QR code and URL shortener

Generate and decode / read QR code graphics

Generate QR codes as PNG or SVG with size, border and color options

Generate static QR codes in SVG, PNG, JPG, WebP, PDF, or EPS

Generate QR codes via a single GET request, with logo embedding and custom colors

Integrate custom and unique looking QR codes into your system or workflow

Artistic, branded QR codes from a text prompt and a link, checked to scan

Generate chart and graph images

Random quotes with authors and tags

Can be used to get AI Response, jokes, memes, and much more at lightning-fast speed

Manage uptime monitors, heartbeat checks, incidents and status pages with an API key

Reverse AJAX service to notify clients

Convert a public web page into clean Markdown

A hosted REST-API ready to respond to your AJAX requests

Returns RSS feed in JSON format using feed URL

Ruby gem metadata, versions, dependencies and search

A free, RESTful API used to screenshot any desktop, or mobile website

Scraping API with Chrome fingerprint and residential proxies

Easily build scalable web scrapers

Undetectable web scraping API

Real-time, Scalable Proxy & Web Scraping REST API

Headless Chrome scraping with a simple API

Web scraping, AI extraction, and public TikTok, Instagram, Google and Amazon data as JSON

Proxy API for Web scraping

Google Search, Maps, Jobs, YouTube and review site results as structured JSON

Web scraping API that only bills for successful scrapes

Take programmatic screenshots of web pages from any website

Website screenshot API (PNG/JPEG/PDF) with full-page capture and visual-diff monitors

Create pixel-perfect website screenshots

Lightweight event routing and webhook fan-out API alternative to Segment

Color conversion, complementary, grayscale and contrasted text

Google, Bing, News, Scholar and Maps search results and page scraping as JSON

Real-Time & Accurate Google Search Results API

Easy google sheets integration

Screenshot, PDF and HTML rendering API with a free tier, API key or x402 auth

ALL-CAPS AS A SERVICE

Extract metadata, tech stack, emails, and screenshots from any URL

Website screenshots as PNG, JPEG, WebP or PDF, and page content as markdown, with a free tier

Scrape, crawl, map and search the web as clean markdown or JSON, with a free monthly tier

Create and run uptime checks, read results and incidents, manage status pages, with a free tier

Project Sonar DNS Enumeration API

SonarQube REST APIs to detect bugs, code smells & security vulnerabilities

Q&A forum for developers

A free CDN for developers

Autogenerate images with template

Unified agent API: search, scrape, enrich, image gen, TTS, STT, messaging. One key, 20+ capabilities

SERP data from major search engines with a free trial

Generate QR codes for URLs, WiFi, contact cards, email and text, with custom colors and styling

API testing tool

Extract web pages as Markdown or structured data for AI apps

Web page to clean Markdown and AI crawler robots.txt checks, free without a key (rate limited)

Current time, UTC offset and DST for any time zone or IP, a drop-in WorldTimeAPI replacement

Free APIs by an AI agent on a VPS: actor lookup, word-of-the-day, poems, jokes, ping

Deterministic utilities: IBAN/VAT validation, cron parsing, regex, diffs, Dutch holidays, test data

Api and service management platform

Turn a URL into Markdown, screenshots, metadata or Lighthouse audits, rendered in real Chrome

203 JSON endpoints: hashing, encoding, unit conversion, text, dates and file conversion

Gender probability for a first name, optionally per country; documentation in German

Code compiler supporting 35+ languages mentioned at wandbox.org

Extract SEO metadata, contact emails, social links, and tech stack (<200ms)

Web content extraction for LLMs with scrape, crawl, search, and summarize

Web Scraping API with built-in proxies and JS rendering

Inspect XLSX/XLSM structure: sheets, formulas, macros and external links

Web Scraping API that bypasses anti-bot solutions while offering JS rendering, and rotating proxies