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> /v1/apis · THE FREE API DIRECTORY

Public APIs[0311]

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

30 of 311 APIs · page 6 / 11CLEAR FILTERS ↻
// EMAIL0151

IndiePitcher

Everything email for your startup with markdown support

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// HEALTH0152

Infermedica

NLP based symptom checker and patient triage API for health diagnosis from text

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// CRYPTOCURRENCY0153

INFURA Ethereum

Interaction with the Ethereum mainnet and several testnets

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DOCUMENTS & PRODUCTIVITY0154

Invoice Parsing API

Extract structured invoice data using AI with this API. Multiple formats supported

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0155

ipfind.io

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

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// GEOCODING0156

ipgeolocation

IP Geolocation AP with free plan 30k requests per month

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// GEOCODING0157

IPWho IP Geolocation API

2,000 free API calls per day. Production grade IP intelligence at non-enterprise prices. Servers in 12+ regions for low latency.

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// GEOCODING0158

IPWhois

IP geolocation and IP intelligence API providing location, ISP, ASN, and proxy detection data for IPv4 and IPv6 addresses

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// MACHINE LEARNING0159

Irisnet

Realtime content moderation API that blocks or blurs unwanted images in real-time

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// SPORTS & FITNESS0160

iSports API

Provide live and historical sports data of global competitions, like live score, fixtures, player & match stats, database etc.

AUTH: APIKEYCORS: YESOPEN ↗
// GAMES & COMICS0161

Jokes One

Joke of the day and large category of jokes accessible via REST API

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0162

JSONbin.io

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

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0163

JSONsilo.com

Hassle-free JSON hosting. Convert your JSON file to an API in minutes at no cost.

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// URL SHORTENERS0164

Kutt

Free Modern URL Shortener

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// BLOCKCHAIN0165

Layer4

Layer4 is a blockchain integration platform that supports no-code and API use

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// TEXT ANALYSIS0166

Lecto Translation

Translation API with free tier and reasonable prices

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DICTIONARIES0167

Lingua Robot

Word definitions, pronunciations, synonyms, antonyms and others

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// OPEN DATA0168

LinkPreview

Get JSON formatted summary with title, description and preview image for any requested URL

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// GEOCODING0169

LocationIQ

Provides forward/reverse geocoding and batch geocoding

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// SECURITY0170

LoginRadius

Managed User Authentication Service

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// BUSINESS0171

Logo.dev

Automated company logo API that updates daily. Transform any domain or company name into verified logos.

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// GEOCODING0172

Longdo Map

Interactive map with detailed places and information portal in Thailand

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0173

MAC address vendor lookup

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

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// MACHINE LEARNING0174

Machinetutors

AI Solutions: Video/Image Classification & Tagging, NSFW, Icon/Image/Audio Search, NLP

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// CURRENCY EXCHANGE0175

Manyapis

Exchange rates and currency conversion with free plan 50 requests/day

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0176

Markdown to HTML API

This API lets you upload and transform a Markdown file to HTML

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// DEVELOPMENT0177

Markdown to JSON API

Upload Markdown and get JSON with one API call

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// NEWS0178

MarketAux

Live stock market news with tagged tickers + sentiment and stats JSON API

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// MACHINE LEARNING0179

MessengerX.io

A FREE API for developers to build and monetize personalized ML based chat apps

AUTH: APIKEYHTTPSCORS: YESOPEN ↗
// GEOCODING0180

Metadapi Zip Code

Enhanced United States zip code information. Census, IRS, demographics, radius, distances and more

AUTH: APIKEYHTTPSCORS: YESOPEN ↗