Free Public APIs

A collection of 374 Free Public APIs for Students and Developers.

Tested every single day.

Travel

Pack your bags—these APIs take you places, from planning to arrival.

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🌍IP Geolocation API

This API allows users to retrieve geolocation information from an IP address or domain name. It provides details such as country, city, region, latitude, longitude, and more in a JSON format without requiring an API key.

2 Endpoints

100 API Health

🚆Transport API

Swiss public transport API with endpoints for locations, connections, and stationboard

3 Endpoints

95 API Health

📮Postcodes.io

Free UK postcode lookup API and datasets. Search, validate and reverse geocode postcodes. Open sourced project.

2 Endpoints

95 API Health

🇨🇳Chinese Holiday Calendar

This API provides a comprehensive listing of public holidays in China for the year 2024. It includes the date, name of the holiday, and whether it is an off day or not.

1 Endpoint

95 API Health

🚉Railway Station Photos

OpenData project to collect railway station photos from many countries. More and more countries are added over time. Most photos are CC0 licensed and can be used freely. The railway stations with their photos can also be viewed on the website https://map.railway-stations.org and in the Android and iOS Apps. These apps also implement the API and can be examined on GitHub: https://github.com/RailwayStations The full OpenAPI Spec can be found here: https://api.railway-stations.org/openapi.yaml

3 Endpoints

95 API Health

🛣️Autobahn API (DE)

OpenAPI Documentation for Autobahn GmbH's Autobahn API.

3 Endpoints

91 API Health

📫Sepomex

REST API mapping current zip codes in Mexico, provides CSV or Excel files from official site.

4 Endpoints

90 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.

✈️AviationWeather Data API

This API provides machine-to-machine access to aviation weather data, including METARs, TAFs, AIRMETs, and SIGMETs. It enables users to fetch up-to-date weather information for flight planning and operations. The service allows queries for the past 15 days of data and provides cache options for efficient data retrieval.

1 Endpoint

85 API Health

🚽Refuge Restrooms API

Provides access to gender-neutral restroom locations and information. Users can search for restrooms by address or current location.

1 Endpoint

80 API Health

📬postali API REST

API REST for retrieving postal code information for Mexican addresses

2 Endpoints

25 API Health