UK Companies House Data from the UK government.

The Official Carbon Intensity API for Great Britain developed by National Grid.

Bank holidays in England and Wales, Scotland and Northern Ireland.

Discover and share maps with friends.

API for instructors on Udemy.

Uber ride requests and price estimation.

Api and service management platform.

Read and write Twitter data.

Game Streaming API.

Stock market data (real-time & historical).

TV Show Data.

Television data.

Read and write Tumblr Data.

Search through the National Library of Australia collection of 1000s of digitised newspapers.

Rating content for a hotel, restaurant, attraction or destination.

Boards, lists and cards to help you organize and prioritize your projects.

Get and set activities, health data and more.

Sync your GitHub projects with Travis CI to test your code in minutes.

A freecycling community with thousands of free items posted every day.

Community maintained, developer-friendly public transport API.

Washington Metro transport API.

TransLink.

NextBus API.

Transport API and dataset for UK.

TTC.

OVAPI, country-wide public transport.

NS, only trains.

Swiss public transport API.

Official Swiss Public Transport Open Data.

Public Transport consumer.