All public APIs, page 52

Secure random string generator.

JSON API for hand curated Chuck Norris jokes.

Provides access to millions of pages of historic US newspapers from the Library of Congress.

Data about various grocery products and foods.

Online open-access digital library for pre-modern Chinese texts.

Chess.com read-only REST API.

Steam/PC Game Prices and Deals.

Non-profit charity data.

Chainpoint is a global network for anchoring data to the Bitcoin blockchain.

Build hybrid smart contracts with Chainlink.

Brazil RESTful API to find information about streets, zip codes, neighborhoods, cities and states.

Search engine for Internet connected host and devices.

The US Census Bureau provides various APIs and data sets on demographics and businesses.

Library info on CDNJS.

Pictures of cats from Tumblr.

Doctor Who API.

Cat as a service (cats pictures and gifs).

Location Information Prediction.

Create maps and markers for anything.

Job search engine.

API to calculate carbon (C02) emissions estimates for common C02 emitting activities.

Malware execution and analysis.

United States ham radio callsigns.

Worldwide Holidays.

Bugcrowd API for interacting and tracking the reported issues programmatically.

The fastest continuous integration and continuous delivery platform.

Real-time cryptocurrency data, graphs and API that allows buy&sell.

Easily make screenshots of web pages in any screen size, as any device.

Daily Forecast pollen conditions data for a specific location.

Some Breaking Bad quotes.