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> /v1/apis · THE FREE API DIRECTORY

Public APIs[1580]

1,580 free public APIs across 52 categories. Filter by auth, CORS, HTTPS support — find what you need to build with.

30 of 1580 APIs
// CRYPTOCURRENCY0181

Bybit

Cryptocurrency data feed and algorithmic trading

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// DEVELOPMENT0182

Cache Horse

Combine/batch & cache multiple HTTP requests to save on API quotas, speed up & simplify your app

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// CALENDAR0183

Calendarific

Worldwide Holidays

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// GAMES & COMICS0184

Call of Duty

Unofficial wrapper for the Call of Duty API with multi-language support.

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// OPEN DATA0185

Callook.info

United States ham radio callsigns

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// SPORTS & FITNESS0186

Canadian Football League (CFL)

Official JSON API providing real-time league, team and player statistics about the CFL

AUTH: APIKEYHTTPSCORS: NOOPEN ↗
// SHOPPING0187

Canopy

A modern API for Amazon Data

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// ANTI-MALWARE0188

CAPEsandbox

Malware execution and analysis

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// VEHICLE0189

CarAPI

The developer friendly vehicle API. Make, model, trims and more via a RESTFul API

AUTH: APIKEYHTTPSCORS: NOOPEN ↗
// ENVIRONMENT0190

Carbon Interface

API to calculate carbon (C02) emissions estimates for common C02 emitting activities

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// JOBS0191

Careerjet

Job search engine

AUTH: APIKEYCORS: UNKNOWNOPEN ↗
// VEHICLE0192

CarsXE

CarsXE API provides comprehensive data on vehicles, including VIN decoding & specifications, license plate decoding, images, history and market value. It enables developers to build innovative applications for the automotive industry, such as insurance & roadside assistance tools, ride sharing & grocery delivery apps, inventory management systems, and market analysis platforms.

AUTH: APIKEYHTTPSCORS: NOOPEN ↗
// GEOCODING0193

Cartes.io

Create maps and markers for anything

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// OPEN DATA0194

CARTO

Location Information Prediction

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// ANIMALS0195

Cataas

Cat as a service (cats pictures and gifs)

NO AUTHHTTPSCORS: NOOPEN ↗
// VIDEO0196

Catalogopolis

Doctor Who API

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// ANIMALS0197

Cat Facts

Daily cat facts

NO AUTHHTTPSCORS: NOOPEN ↗
// ANIMALS0198

Cats

Pictures of cats from Tumblr

AUTH: APIKEYHTTPSCORS: NOOPEN ↗
// DEVELOPMENT0199

CDNJS

Library info on CDNJS

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// GOVERNMENT0200

Census.gov

The US Census Bureau provides various APIs and data sets on demographics and businesses

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// SECURITY0201

Censys

Search engine for Internet connected host and devices

AUTH: APIKEYHTTPSCORS: NOOPEN ↗
// GEOCODING0202

Cep.la

Brazil RESTful API to find information about streets, zip codes, neighborhoods, cities and states

NO AUTHCORS: UNKNOWNOPEN ↗
// BLOCKCHAIN0203

Chainlink

Build hybrid smart contracts with Chainlink

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// BLOCKCHAIN0204

Chainpoint

Chainpoint is a global network for anchoring data to the Bitcoin blockchain

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// PHOTOGRAPHY0205

Change Image Background API

This API helps you change the background of any image

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// BUSINESS0206

Charity Search

Non-profit charity data

AUTH: APIKEYCORS: UNKNOWNOPEN ↗
// TEXT ANALYSIS0207

Chatpdf

Chat with pdf using GPT4 and ChatGPT

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0208

ChatterBox

One API for meeting bots on Zoom, Meet & Teams

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// GAMES & COMICS0209

CheapShark

Steam/PC Game Prices and Deals

NO AUTHHTTPSCORS: YESOPEN ↗
// PHOTOGRAPHY0210

CheetahO

Photo optimization and resize

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗