PUBLICAPI / API directory

Find your next API.
Know the limits. Build further.

A practical starting point for public APIs. Compare access, pricing and limitations — with direct links to the original sources.

Categories (61)

music

Radio Browser

List of internet radio stations

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

art-and-design

raFont

1,500+ free downloadable fonts with categories, tags and preview images

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

games-and-comics

Raider

Provides detailed character and guild rankings for Raiding and Mythic+ content in World of Warcraft

Access: No keyType: API

HTTPS: Yes

github-public-apis

transport

Rail Station Information — rail-station (wmata.com)

OpenAPI-specified service (wmata.com:rail-station, version 1.0): Rail line and station information, including locations, fares, times, and parking.

Type: API

profiles

transportation

Railway Transport for France

SNCF public API

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

transportation

Railworks

Irish Rail planned engineering works: affected stations, DART closures, change log and ICS feeds

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

weather

Rainbow Weather

Global real-time nowcasting API powered by radar + satellite fusion

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

weather

RainViewer

Radar data collected from different websites across the Internet

Access: No keyType: API

HTTPS: Yes

github-public-apis

books-media

Rajasthan Board of Secondary Education — rajasthanrajeduboard (apisetu.gov.in)

OpenAPI-specified service (apisetu.gov.in:rajasthanrajeduboard, version 3.0.0): Board of High School and Intermediate Education, Rajasthan (http://rajeduboard.rajasthan.gov.in/) has made available Class X (2018-2019)& Class XII (2019) mark sheet available on DigiLocker, which can be pulled by students into their respective accounts

Type: API

profiles

geography

Randbeheer (Overheid Open Data)

Dutch public-sector open dataset and API ("Randbeheer") registered in the national data.overheid.nl catalog. Original Dutch description: Alle groene randen in de openbare ruimte die gemaaid of anderszins onderhouden moeten worden. Deze randen kunnen bestaan uit gras, rozen, blokhagen, heesters et cetera. De gegevensverzameling bevat informatie over de voorziening, zoals de soort rand, lengte enz.

Access: No keyPrice: FreeType: API

profiles

test-data

Random Data

Random data generator

Access: No keyType: API

HTTPS: Yes

github-public-apis

books-media

Random Facts

Random Facts (Games & Comics): Random Facts from hundreds of categories

Access: Personal API keyType: API

profiles

dictionaries

Random Lexicon

Random words and definitions using optional filters

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

language

Random Lottery Number generator API (fungenerators.com)

OpenAPI-specified service (fungenerators.com:lottery, version 1.5): Below is the documentation for the API calls. You can try them out right here.

Type: API

profiles

language

Random Lovecraft (randomlovecraft.com)

OpenAPI-specified web service (randomlovecraft.com, version 1.0): Random sentences from the complete works of H.P. Lovecraft. CORS-enabled.

Type: API

profiles

developer-tools

Random Profiles

Random Profiles (Test Data): Fake user profiles and companies with 100+ fields each

Access: Personal API keyType: API

profiles

development

Random Stuff

Can be used to get AI Response, jokes, memes, and much more at lightning-fast speed

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

entertainment

Random Useless Facts

Get useless, but true facts

Access: No keyType: API

HTTPS: Yes

github-public-apis

animals

RandomDog

Random pictures of dogs

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

animals

RandomDuck

Random pictures of ducks

Access: No keyType: API

HTTPS: Yes · CORS: No

github-public-apis

animals

RandomFox

Random pictures of foxes

Access: No keyType: API

HTTPS: Yes · CORS: No

github-public-apis

test-data

Randommer

Random data generator

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

test-data

RandomUser

Generates and list user data

Access: No keyType: API

HTTPS: Yes

github-public-apis

video

RankFabrik Captions

Extract transcripts and captions from YouTube videos

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

jobs

RankFabrik Jobs

Aggregated job postings search, deduplicated on identifier, with coverage per segment

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

business

RankFabrik Places

Search businesses and points of interest by city, deduplicated with a coverage report

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

RankFabrik Verify

Validate email addresses for deliverability, syntax and disposable detection

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

shopping

Rappi

Manage orders from Rappi's app

Access: OAuthType: API

HTTPS: Yes

github-public-apis

government

Rat Genome Database REST API (mcw.edu)

OpenAPI-specified web service (mcw.edu, version 1.1): The RGD REST API provides programmatic access to information and annotation stored in the Rat Genome Database

Type: API

profiles

currency-exchange

Rate-API

Hourly exchange rates for 160+ currencies in JSON, XML or CSV with free plan 2,500 requests/month

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

business

ratesapi

ratesapi (Currency Exchange): Free exchange rates and historical rates

Access: No keyType: API

profiles

government

Raw water withdrawals in Brittany (EU Open Data · France)

European open dataset/API (France): Evolution of volumes of raw water taken (subject to fees) by territory (territory contract, department, region, sage, epci) in Brittany; all types of water combined (surface water / groundwater) and all uses combined (EPA, irrigation, industry) from 1999 to 2023. **Sources:** BNPE (National Bank for Water Sampling), AE

Access: No keyPrice: FreeType: API

profiles

books-media

RAWG Video Games Database API

OpenAPI-specified web service (rawg.io, version v1.0): The largest open video games database. ### Why build on RAWG - More than 350,000 games for 50 platforms including mobiles. - Rich metadata: tags, genres, developers, publishers, individual creators, official websites, release dates, Metacritic ratings. - Where to buy: links to digital distribution services - Similar ga

Type: API

profiles

games-and-comics

RAWG.io

500,000+ games for 50 platforms including mobiles

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

finance

Razorpay IFSC

Indian Financial Systems Code (Bank Branch Codes)

Access: No keyType: API

HTTPS: Yes

github-public-apis

business

Razorpay IFSC

Razorpay IFSC (Finance): Indian Financial Systems Code (Bank Branch Codes)

Access: No keyType: API

profiles

games-and-comics

Rblxdb

Verified Roblox music codes and decal IDs with live working status

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

science-and-math

RCSB PDB

3D structures of proteins and nucleic acids

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

science

RCSB PDB Data API

Structural biology data through RCSB PDB REST and GraphQL access.

Access: No keyType: API

profiles

government

RDF Reification Benchmark (REF) using the Biomedical Knowledge Repository (BKR) (EU Open Data · Europe)

European open dataset/API (Europe): This resource can be used for benchmarking different RDF modelling solutions for statement-level metadata, namely: - RDF Reification, - Singleton Property, - RDF* (RDF-star). More details about this resource can be found in the following publication: Fabrizio Orlandi, Damien Graux, Declan O'Sullivan, "Benchmarking RDF

Access: No keyPrice: FreeType: API

profiles

transport

RDW Open Data Voertuigen API

Registered vehicle specifications, inspection expiry dates, fuel and emissions records from the Dutch national vehicle registry (RDW).

Access: No keyPrice: FreeType: API

profiles

government

RE Planning In Oxfordshire (UK Open Government Data)

UK public-sector open dataset and API ("RE Planning In Oxfordshire") registered on data.gov.uk: Renewable energy planning applications in Oxfordshire

Access: No keyPrice: FreeType: API

profiles

books-media

Reader Revenue Subscription Linking API — readerrevenuesubscriptionlinking (googleapis.com)

OpenAPI-specified service (googleapis.com:readerrevenuesubscriptionlinking, version v1): readerrevenuesubscriptionlinking.googleapis.com API.

Type: API

profiles

photography

Readme typing SVG

Customizable typing and deleting text SVG

Access: No keyType: API

HTTPS: Yes

github-public-apis

finance

Real Time Finance

Websocket API to access realtime stock data

Access: Personal API keyType: API

HTTPS: No

github-public-apis

books-media

Real-time Bidding API — realtimebidding (googleapis.com)

OpenAPI-specified service (googleapis.com:realtimebidding, version v1alpha): Allows external bidders to manage their RTB integration with Google. This includes managing bidder endpoints, QPS quotas, configuring what ad inventory to receive via pretargeting, submitting creatives for verification, and accessing creative metadata such as approval status.

Type: API

profiles

transport

Real-Time Bus Predictions — bus-realtime (wmata.com)

OpenAPI-specified service (wmata.com:bus-realtime, version 1.0): Real-time bus prediction methods.

Type: API

profiles

transport

Real-Time Bus Predictions (wmata.com)

OpenAPI-specified web service (wmata.com, version 1.0): Real-time bus prediction methods.

Type: API

profiles

government

Real-time EMT bus locations (EU Open Data · Spain)

European open dataset/API (Spain): EMT bus locations in real time, positions are updated every minute. A CSV resource and two geojson resources are published, one of them being suitable for Fiware format.

Access: No keyPrice: FreeType: API

profiles

government

Real-time fuel prices, per station, on the territory of Saintes Grandes Rives, Agglo (EU Open Data · France)

European open dataset/API (France): This dataset lists the price of fuels per station, in real time on the territory of Saintes Grandes Rives, Agglo.

Access: No keyPrice: FreeType: API

profiles

From discovery to implementation

Build with understanding.

Practical API integration guides, separate from catalog listings.

All guides →

A guide for your situation

Your answers stay in this page until you explicitly submit them. Unsaved answers disappear on reload.

Saving is not configured. No answers or contact details are submitted or saved.

Which integration step helps you move forward?

30 short questions about APIs and connecting data. Selecting an answer moves to the next question. You can go back, change answers, or skip. This is a practical reading route, not a scientific test.

JavaScript is required for this guide.

Contact & corrections

Send a question or report a correction using this form.

Only after Send are your name, email, subject and message sent to the contact service to handle your message. This is not a newsletter signup. Unsent text disappears on reload. Privacy information

Preview: sending is not configured. This form does not send or save anything.