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+ 0 = . / , ] g " # ) > /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.
IndiePitcher
Everything email for your startup with markdown support
Infermedica
NLP based symptom checker and patient triage API for health diagnosis from text
INFURA Ethereum
Interaction with the Ethereum mainnet and several testnets
Invoice Parsing API
Extract structured invoice data using AI with this API. Multiple formats supported
ipfind.io
Geographic location of an IP address or any domain name along with some other useful information
ipgeolocation
IP Geolocation AP with free plan 30k requests per month
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.
IPWhois
IP geolocation and IP intelligence API providing location, ISP, ASN, and proxy detection data for IPv4 and IPv6 addresses
Irisnet
Realtime content moderation API that blocks or blurs unwanted images in real-time
iSports API
Provide live and historical sports data of global competitions, like live score, fixtures, player & match stats, database etc.
Jokes One
Joke of the day and large category of jokes accessible via REST API
JSONbin.io
Free JSON storage service. Ideal for small scale Web apps, Websites and Mobile apps
JSONsilo.com
Hassle-free JSON hosting. Convert your JSON file to an API in minutes at no cost.
Kutt
Free Modern URL Shortener
Layer4
Layer4 is a blockchain integration platform that supports no-code and API use
Lecto Translation
Translation API with free tier and reasonable prices
Lingua Robot
Word definitions, pronunciations, synonyms, antonyms and others
LinkPreview
Get JSON formatted summary with title, description and preview image for any requested URL
LocationIQ
Provides forward/reverse geocoding and batch geocoding
LoginRadius
Managed User Authentication Service
Logo.dev
Automated company logo API that updates daily. Transform any domain or company name into verified logos.
Longdo Map
Interactive map with detailed places and information portal in Thailand
MAC address vendor lookup
Retrieve vendor details and other information regarding a given MAC address or an OUI
Machinetutors
AI Solutions: Video/Image Classification & Tagging, NSFW, Icon/Image/Audio Search, NLP
Manyapis
Exchange rates and currency conversion with free plan 50 requests/day
Markdown to HTML API
This API lets you upload and transform a Markdown file to HTML
Markdown to JSON API
Upload Markdown and get JSON with one API call
MarketAux
Live stock market news with tagged tickers + sentiment and stats JSON API
MessengerX.io
A FREE API for developers to build and monetize personalized ML based chat apps
Metadapi Zip Code
Enhanced United States zip code information. Census, IRS, demographics, radius, distances and more