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)

government

Open Government, Austria

Austria Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Belgium

Belgium Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Canada

Canadian Government Open Data

Access: No keyType: API

HTTPS: No

github-public-apis

government

Open Government, Colombia

Colombia Government Open Data

Access: No keyType: API

HTTPS: No

github-public-apis

government

Open Government, Cyprus

Cyprus Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Czech Republic

Czech Republic Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Denmark

Denmark Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Estonia

Estonia Government Open Data

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Finland

Finland Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, France

French Government Open Data

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Germany

Germany Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Greece

Greece Government Open Data

Access: OAuthType: API

HTTPS: Yes

github-public-apis

government

Open Government, India

Indian Government Open Data

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Indonesia

Indonesian Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Ireland

Ireland Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Italy

Italy Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Korea

Korea Government Open Data

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Lithuania

Lithuania Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Luxembourg

Luxembourgish Government Open Data

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Mexico

Mexican Statistical Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Mexico

Mexico Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Netherlands

Netherlands Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, New South Wales

New South Wales Government Open Data

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, New Zealand

New Zealand Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Norway

Norwegian Government Open Data

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

government

Open Government, Peru

Peru Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Poland

Poland Government Open Data

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

government

Open Government, Portugal

Portugal Government Open Data

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

government

Open Government, Queensland Government

Queensland Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Romania

Romania Government Open Data

Access: No keyType: API

HTTPS: No

github-public-apis

government

Open Government, Saudi Arabia

Saudi Arabia Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Singapore

Singapore Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Slovakia

Slovakia Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Slovenia

Slovenia Government Open Data

Access: No keyType: API

HTTPS: Yes · CORS: No

github-public-apis

government

Open Government, South Australian Government

South Australian Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Spain

Spain Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Sweden

Sweden Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Switzerland

Switzerland Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Taiwan

Taiwan Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Thailand

Thailand Government Open Data

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, UK

UK Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, USA

United States Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, Victoria State Government

Victoria State Government Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

government

Open Government, West Australia

West Australia Open Data

Access: No keyType: API

HTTPS: Yes

github-public-apis

books-media · books

Open Library

Open Library book search and lookup routes for human-centered discovery.

Access: No keyPrice: FreeType: API

HTTPS: Yes · CORS: No

profiles · github-public-apis

video

Open Movie Database

Movie information

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

science-and-math

Open Notify

ISS astronauts, current location, etc

Access: No keyType: API

HTTPS: No · CORS: No

github-public-apis

development

Open Page Rank

API for calculating and comparing metrics of different websites using Page Rank algorithm

Access: Personal API keyType: API

HTTPS: Yes

github-public-apis

open-data

Open Scholarships

Free, openly-licensed directory of US scholarships and student aid from official sources

Access: No keyType: API

HTTPS: Yes · CORS: Yes

github-public-apis

science-and-math

Open Science Framework

Repository and archive for study designs, research materials, data, manuscripts, etc

Access: No keyType: API

HTTPS: Yes

github-public-apis

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.