Free Public APIs
A collection of 383 Free Public APIs for Students and Developers.
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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.
⚠️Error Handling API
This API provides standardized error messages and status codes for various requests. It helps developers understand and fix issues by providing specific feedback when requests fail.
100 API Health
📐Math Function Parser
This API provides functionalities to parse and resolve mathematical expressions. It includes endpoints to tokenize expressions, resolve them, and return their abstract syntax tree (AST).
95 API Health
🔢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.
95 API Health
🚀SpaceX REST API
Open Source REST API for launch, rocket, core, capsule, starlink, launchpad, and landing pad data.
95 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.
95 API Health
🛰️Satellite TLE Data
This API provides access to Two-Line Element (TLE) data for various satellites. It allows users to retrieve the latest orbital information for tracking satellites in real-time.
95 API Health
📡Abhi API
Abhi API offers a variety of free APIs for different purposes including anime data, downloads, fun facts, games, logo generation, and tools for tasks like shortening URLs and text-to-speech functionalities. It provides user-friendly endpoints for developers to integrate into their applications or projects.
95 API Health
🚀CelesTrak GP Data
CelesTrak provides access to General Perturbations (GP) orbital data, including Two-Line Element Sets (TLEs) and newer formats like XML and JSON. This data is crucial for tracking objects in space and supports various queries to retrieve specific orbital information based on catalog numbers, designators, and names.
90 API Health
🌌Close Approach Data
This API provides current close-approach data for all asteroids and comets within JPL’s Small-Body Database. It allows users to obtain detailed information about near-Earth objects and their proximity to our planet based on various query parameters.
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.
90 API Health
💻Techy
Generate tech-savvy phrases
90 API Health
➗Newton API
The Newton API is a micro-service that provides advanced math functionalities such as derivatives, integrals, simplifications, and more. Users can send requests with math expressions and receive results in JSON format, making it a powerful tool for mathematical computations.
85 API Health
👵Oldest People Records API
This API provides information about the oldest living person and the oldest person ever recorded. It manages local data, allowing updates and constraints such as birth date limits and country of origin.
80 API Health