Free Public APIs

A collection of 311 Free Public APIs for Students and Developers.

Tested every single day.

Science

Explore the universe of scientific APIs, offering data and tools for research, discovery, and innovation—from the tiniest particles to the vastness of space.

📈Enigma Business Data API

The Enigma Business API delivers data on over 30 million U.S. merchants.

It provides detailed business profiles, financial insights, transaction data, and compliance information such as corporate registrations and risk signals.

This API empowers developers to enhance decision-making and integrate comprehensive business data into their applications.

🔢Numbers API

The Numbers API provides interesting facts about numbers covering trivia, math, dates, and years. Users can easily access these facts by specifying the number and type in a simple URL structure.

1 Endpoint

95 API Health

💻Techy

Generate tech-savvy phrases

1 Endpoint

90 API Health

🌍Earthquake Catalog API

This API allows users to perform custom searches for earthquake information based on various parameters, such as location, time, and magnitude. It adheres to the FDSN Event Web Service Specifications, providing a structured way to access earthquake data.

1 Endpoint

90 API Health

🚀Launch Library 2

The Launch Library 2 API provides access to a comprehensive database of rocket launches, space events, and astronauts. It serves both orbital and suborbital launches, offering data on launch service providers, events, agencies, and more, all accessible for free within certain request limits.

3 Endpoints

90 API Health