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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
// OPEN DATA0001

18F

Unofficial US Federal Government API Development

NO AUTHCORS: UNKNOWNOPEN ↗
// ENVIRONMENT0002

1ClickImpact

Environmental impact API for tree planting, carbon offsetting and ocean cleanup

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// CURRENCY EXCHANGE0003

1Forge

Forex currency market data

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// CRYPTOCURRENCY0004

1inch

API for querying decentralize exchange

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// URL SHORTENERS0005

1pt

A simple URL shortener

NO AUTHHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0006

24 Pull Requests

Project to promote open source collaboration during December

NO AUTHHTTPSCORS: YESOPEN ↗
// SOCIAL0007

4chan

Simple image-based bulletin board dedicated to a variety of topics

NO AUTHHTTPSCORS: YESOPEN ↗
// MUSIC0008

7digital

Api of Music store 7digital

AUTH: OAUTHHTTPSCORS: UNKNOWNOPEN ↗
// WEATHER0009

7Timer!

Weather, especially for Astroweather

NO AUTHCORS: UNKNOWNOPEN ↗
// DEVELOPMENT0010

Abacus

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

NO AUTHHTTPSCORS: YESOPEN ↗
// BOOKS0011

A Bíblia Digital

Do not worry about managing the multiple versions of the Bible

AUTH: APIKEYHTTPSCORS: NOOPEN ↗
// EMAIL0012

Abstract Email Validation

Validate email addresses for deliverability and spam

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// GEOCODING0013

Abstract IP Geolocation

Geolocate website visitors from their IPs

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// PHONE0014

Abstract Phone Validation

Validate phone numbers globally

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// CALENDAR0015

Abstract Public Holidays

Data on national, regional, and religious holidays via API

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0016

Abstract Screenshot

Take programmatic screenshots of web pages from any website

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// FINANCE0017

Abstract VAT Validation

Validate VAT numbers and calculate VAT rates

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// ANTI-MALWARE0018

AbuseIPDB

IP/domain/URL reputation

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// EMAIL0019

Academic Email API

This API allows you to verify whether an email belongs to a recognized educational institution

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// WEATHER0020

AccuWeather

Weather and forecast data

AUTH: APIKEYCORS: UNKNOWNOPEN ↗
// GEOCODING0021

Actinia Grass GIS

Actinia is an open source REST API for geographical data that uses GRASS GIS

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// GEOCODING0022

administrative-divisons-db

Get all administrative divisions of a country

NO AUTHHTTPSCORS: YESOPEN ↗
// GEOCODING0023

adresse.data.gouv.fr

Address database of France, geocoding and reverse

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// TRANSPORTATION0024

adsbdb

Open access to aircraft, airline, and flight route data

NO AUTHHTTPSCORS: YESOPEN ↗
// TRANSPORTATION0025

ADS-B Exchange

Access real-time and historical data of any and all airborne aircraft

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// MACHINE LEARNING0026

Advanced Multilanguage AI Translator (RapidAPI)

AI-powered translator supporting multiple languages with fast, context-aware responses

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// PERSONALITY0027

Advice Slip

Generate random advice slips

NO AUTHHTTPSCORS: UNKNOWNOPEN ↗
// JOBS0028

Adzuna

Job board aggregator

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// WEATHER0029

Aemet

Weather and forecast data from Spain

AUTH: APIKEYHTTPSCORS: UNKNOWNOPEN ↗
// TRACKING0030

Aftership

API to update, manage and track shipment efficiently

AUTH: APIKEYHTTPSCORS: YESOPEN ↗