PUBLICAPI / API directory

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

Categories (61)

jobs

Open Skills

Job titles, skills and related jobs data

Access: No keyType: API

HTTPS: No

github-public-apis

government

Open Skills API (dataatwork.org)

OpenAPI-specified web service (dataatwork.org, version 1.0): A complete and standard data store for canonical and emerging skills, knowledge, abilities, tools, technolgies, and how they relate to jobs.

Type: API

profiles

government

Open States API v3 (openstates.org)

OpenAPI-specified web service (openstates.org, version 2021.11.12): * More documentation * Register for an account **We are currently working to restore experimental support for committees & events.** During this period please note that data is not yet available for all states and the exact format of the new endpoints may change slightly depending on user feedback. If you have any issu

Type: API

profiles

health

Open Targets

Gene-disease-drug target associations

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

government

Open Targets Platform REST API (opentargets.io)

OpenAPI-specified web service (opentargets.io, version 19.02.1): ### The Open Targets Platform REST API The Open Targets Platform API ('Application Programming Interface') allows programmatic retrieval of the Open Targets Platform data via a set of REST services. You can make calls to the latest version of our API using the base URL `https://platform-api.opentargets.io/v3/platform`.

Type: API

profiles

geocoding

Open Topo Data

Elevation and ocean depth for a latitude and longitude

Access: No keyType: API

HTTPS: Yes · CORS: No

github-public-apis

geography

Open Topo Data

Elevation values from selected raster datasets through a simple location query.

Access: No keyPrice: FreeType: API

profiles

games-and-comics

Open Trivia

Trivia Questions

Access: No keyType: API

HTTPS: Yes

github-public-apis

development

Open VSX

Search and access VS Code extensions from the Open VSX registry

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

weather · environment

Open-Meteo

Weather model output for a location with selectable variables.

Access: No keyPrice: Free tier + paidType: API

HTTPS: Yes · CORS: Yes

profiles · github-public-apis

weather

Open-Meteo Ensemble

Weather ensemble forecasts from multiple models

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

science

Open-Meteo Marine

Open-Meteo Marine (Environment): Ocean wave height, swell, sea temperature and marine weather data

Access: No keyType: API

profiles

open-data

openAFRICA

Large datasets repository of African open data

Access: No keyType: API

HTTPS: Yes

github-public-apis

language

OpenAI API

OpenAPI-specified web service (openai.com, version 1.2.0): APIs for sampling from and fine-tuning language models

Type: API

profiles

developer-tools

OpenAI Tools MCP Server (ai.com.mcp/openai-tools MCP Server)

MCP server (ai.com.mcp/openai-tools v0.6.0): Focused MCP server for OpenAI image/audio generation (v2.0.0). Wraps endpoints via HAPI CLI.

Type: API

profiles

science-and-math

OpenAlex

Open catalog of scholarly works, authors, institutions, sources, and concepts

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

science

OpenAlex

Search research works and their relationships as a connected catalog.

Access: No keyPrice: Free tier + paidType: API

profiles

developer-tools

OpenALPR CarCheck API

OpenAPI-specified web service (openalpr.com, version 3.0.1): The OpenALPR CarCheck API allows you to send images to the cloud for processing. The image will be analyzed for license plates and vehicle make/models. The results are returned in JSON format

Type: API

profiles

developer-tools

OpenAPI Generator Online (openapi-generator.tech)

OpenAPI-specified web service (openapi-generator.tech, version 6.2.1): This is an online openapi generator server. You can find out more at https://github.com/OpenAPITools/openapi-generator.

Type: API

profiles

developer-tools

OpenAPI space

OpenAPI-specified web service (openapi.space, version 1.0.0): This is the API for OpenAPI space.

Type: API

profiles

development

OpenAPIHub

The All-in-one API Platform

Type: API

HTTPS: Yes

github-public-apis

environment

OpenAQ

Open air quality data

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

science

OpenAQ API

Air-quality measurements from multiple sources through OpenAQ v3.

Access: Personal API keyPrice: Free tier + paidType: API

profiles

geography

Openbaar groen (Overheid Open Data)

Dutch public-sector open dataset and API ("Openbaar groen") registered in the national data.overheid.nl catalog. Original Dutch description: Overzicht van het openbare groen, behalve de solitaire bomen. Deze gegevensverzameling bevatten onder meer de locatie, de soort begroeiing, en beheerinformatie.

Access: No keyPrice: FreeType: API

profiles

geocoding

OpenCage

Forward and reverse geocoding using open data

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geography

OpenCage Geocoder (opencagedata.com)

OpenAPI-specified web service (opencagedata.com, version 1): Worldwide forward and reverse geocoding

Type: API

profiles

business

OpenChainBench

OpenChainBench (Cryptocurrency): Open dataset of crypto infrastructure benchmarks: RPC latency, oracles, bridges, prediction markets

Access: No keyType: API

profiles

open-data

OpenCorporates

Data on corporate entities and directors in many countries

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

sports-and-fitness

OpenF1

Real-time and historical Formula 1 data including laps, car telemetry and positions

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

health

openFDA

Public FDA data about drugs, devices and foods

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

government

OpenFEC

OpenAPI-specified web service (fec.gov, version 1.0): This application programming interface (API) allows you to explore the way candidates and committees fund their campaigns. The Federal Election Commission (FEC) API is a RESTful web service supporting full-text and field-specific searches on FEC data. Bulk downloads are available on the current site. Information is tie

Type: API

profiles

finance

OpenFIGI

Equity, index, futures, options symbology from Bloomberg LP

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

government

OpenFIGI API

OpenAPI-specified web service (openfigi.com, version 1.4.0): A free & open API for FIGI discovery.

Type: API

profiles

business

OpenFinTech.io

OpenAPI-specified web service (openfintech.io, version 2017-08-24): # Introduction OpenFinTech.io is an open database that comprises of standardized primary data for FinTech industry. It contains such information as geolocation data (countries, cities, regions), organizations, currencies (national, digital, virtual, crypto), banks, digital exchangers, payment providers (PSP), payment m

Type: API

profiles

sports-and-fitness

OpenFoot API

Football fixtures, results, standings, lineups, live events and shot-level xG across 75 competitions

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

development

OpenGraphr

Really simple API to retrieve Open Graph data from an URL

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

business

OpenHolidays API

OpenHolidays API (Calendar): Public and school holidays for many countries via an open REST API

Access: No keyType: API

profiles

language

OpenIndex Retrieval Plugin API

OpenAPI-specified web service (openindex.ai, version 1.0.0): A retrieval API for querying and filtering documents based on natural language queries and metadata

Type: API

profiles

sports-and-fitness

OpenLigaDB

Crowd sourced sports league results

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

government

OpenMercantil

Spanish company public data and BORME event timelines

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

mcp-servers

Openpath

US job listings and local businesses for agents, with apply links and owner inboxes

Access: No keyType: MCP server

github-public-apis

geography

OpenPLZ API

OpenPLZ API (Geocoding): A public street and postal code directory for Austria, Germany, Liechtenstein and Switzerland via an open REST API

Access: No keyType: API

profiles

development

OpenQR

Generate QR codes and manage dynamic (editable) QR codes with scan analytics

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

government

OpenRegistry

Real-time queries to 80+ national company registries (UK, FR, DE, IT, ES, KR and more)

Access: OAuthType: API

HTTPS: Yes

github-public-apis

machine-learning

OpenRouter

Unified API for 300+ LLMs from OpenAI, Anthropic, Meta, Mistral and more, with a free tier

Access: Personal API keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

geocoding

openrouteservice.org

Directions, POIs, isochrones, geocoding (+reverse), elevation, and more

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

open-data

OpenSanctions

Data on international sanctions, crime and politically exposed persons

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

weather

openSenseMap

Data from Personal Weather Stations called senseBoxes

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

transportation

OpenSky Network

Free real-time ADS-B aviation data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

OpenStates

US state legislature bills and lawmakers

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

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