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+ 0 = . / , ] g " # ) > /v1/apis · THE FREE API DIRECTORY
Public APIs[0557]
557 free public APIs across 52 categories. Filter by auth, CORS, HTTPS support — find what you need to build with.
Sent.dm
Sent is a unified API for messaging across SMS and apps like WhatsApp
SEO Score
Comprehensive SEO audit with 28 checks, scoring, and prioritized recommendations
SEO Tags Generator API
The Generate SEO Tags API generates all the most important META tags based on any content
SERP Rank Checker
Check realtime Google SERP Rank of any keywords
Shadify
Service for generating data and executing logic to create various games and puzzles
ShotOG
Open-source OG image generation with 8 templates, custom fonts, and batch generation
SLF
German city, country, river, database
Smart Adaptive Ultra-Fast Image Compressor & Converter
Compress, convert, and optimize images automatically with adaptive AI tuning
Smartcar
Lock and unlock vehicles and get data like odometer reading and location. Works on most new cars
Smash
Upload large files on websites, mobile apps, SaaS solutions and custom workflows
Socrata
Access to Open Data from Governments, Non-profits and NGOs around the world
Sofiaplan
Access to urban research data for the Bulgarian capital Sofia
Sonar
Project Sonar DNS Enumeration API
Songlink / Odesli
Get all the services on which a song is available
Spaceflight News
Spaceflight related news 🚀
SpaceTradersAPI
A playable inter-galactic space trading MMOAPI
Spam Hunter
Free service to classify text as spam using ML
Spoo.me
Free URL shortener with custom alias, max-clicks, password protection and advanced analytics support
SQLable
CSV to JSONL conversion API
Squiggle
Fixtures, results and predictions for Australian Football League matches
STAPI
Information on all things Star Trek
Star Wars Databank
Info and data from the Star Wars databank in the form of an API
Statically
A free CDN for developers
StockData
Real-Time, Intraday & Historical Market Data, News and Sentiment API
Storm Glass
Global marine weather from multiple sources
Summarize Text with AI
This API generates customizable summaries of text and web pages using AI
Supadata
Scrape YouTube, web, and files into text. Get AI-ready, clean data for your next project.
Supportivekoala
Autogenerate images with template
SWAPI
All things Star Wars
SWAPI
All the Star Wars data you've ever wanted