Free Public APIs

A collection of 364 Free Public APIs for Students and Developers.

Tested every single day.

Dead APIs

APIs that returned only errors on all endpoints in the last 30 days. These APIs are dead and should not be used for any projects anymore.

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📜USPTO API Catalog

The USPTO API Catalog provides developers with access to various APIs related to intellectual property. It includes information about registering, searching, and managing patents and trademarks, allowing for easy integration of government data into applications.

1 Endpoint

25 API Health

🎨Jojo's Bizarre API

This API provides access to detailed information about characters and stands from the Jojo's Bizarre Adventure series. Users can retrieve data on all characters, individual characters by ID, all stands, and stands by ID, alongside various query options.

2 Endpoints

25 API Health

📜tronalddump API

Api & web archive for the dumbest things Donald Trump has ever said. Service to retrieve and create tags, quotes sources, authors, and quotes.

1 Endpoint

25 API Health

🌍OpenAQ Platform

Largest open-source air quality data platform aggregating historical and real-time air quality data globally.

2 Endpoints

25 API Health

🎲Bored API

Get random activities based on type, participants, price, and accessibility ranges.

3 Endpoints

25 API Health

🌍Website Carbon API

Calculates website carbon emissions per page view using real-time tests. Provides endpoints for testing and manual calculations.

1 Endpoint

50 API Health

🚀PageSpeed API

Runs PageSpeed analysis on a specified URL, providing scores, suggestions for faster loading, and other data. Supports different categories, locales, and strategies.

1 Endpoint

25 API Health

🚀speedscale.com

Mock complex API / database dependencies and production load, modeled after real user behavior - without writing scripts.

Speedscale enables developers to record and playback realistic, sanitized production conditions on their laptop, without delays or having to search for good data.

🛠️API Tools

API Tools – Access over 30+ REST APIs, all completely free with no usage limits. Explore a wide range of tools designed for everyone, no sign-up or restrictions required!

1 Endpoint

25 API Health

📬postali API REST

API REST for retrieving postal code information for Mexican addresses

2 Endpoints

25 API Health

✉️EVA Email Verification

API for email verification.

1 Endpoint

25 API Health

🚗CEPiK API

The CEPiK API provides access to various datasets related to vehicles, driving licenses, permissions to drive vehicles, and statistical information about these entities. It includes methods for retrieving data about vehicles, driving licenses, permissions, and associated statistics from the national database.

1 Endpoint

25 API Health