Free Public APIs
A collection of 348 Free Public APIs for Students and Developers.
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Forecast your success with APIs that rain down the latest weather data.
🌊Global Flood API
Simulated river discharge at 5 km resolution from 1984 up to 7 months forecast.
95 API Health
🌱Air Quality API
Pollutants and pollen forecast in 11 km resolution
95 API Health
☁️7Timer Weather API
The 7Timer Weather API provides global numerical weather forecasts derived from high-resolution models. Users can access weather data in graphical or machine-readable formats without needing an API key, enabling programmatic access to various meteorological elements.
94 API Health
📊openSenseMap API
The openSenseMap API allows for managing users, senseBoxes (stations), and measurements, providing functionalities such as posting new data, retrieving sensor information, and managing senseBoxes. It also supports various operations with parameters for filtering and formatting responses, including JSON and CSV formats.
90 API Health
🌞Free UV Index API
Provides real-time UV Index and 5 day Hourly UV Index Forecast globally without API Key. Single endpoint for current UV Index and forecast based on latitude/longitude.
89 API Health
🌇Sunset Times API
Provides sunset and sunrise times for a given latitude and longitude using a simple REST API
89 API Health
🌤️Glax Weather API
This API provides current weather data for a specified location, presenting information visually through Glax. Users can retrieve data in JSON or PNG formats and customize their queries with parameters like location, units, and forecast options.
83 API Health
☀️UV Index API
The UV Index API provides real-time data on ultraviolet index levels for various locations in Singapore. Users can retrieve the latest UV index information updated every hour between 7 AM and 7 PM. The API allows for filtering by date or datetime via query parameters.
82 API Health
🌦️Realtime Weather API
This API provides real-time readings of temperature, humidity, precipitation, and wind conditions across various weather stations in Singapore at intervals of up to one minute. Managed by the National Environment Agency (NEA), it allows users to access detailed weather data for public use.
81 API Health
✈️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.
65 API Health
🌊NDBC Buoy Data API
Description: Access real-time buoy readings and information from the National Data Buoy Center (NDBC) with this API. Currently under development, it provides essential data for ocean and weather monitoring enthusiasts and professionals. Supports various content types, including JSON, XML, CSV, and HTML. Ideal for integrating buoy data into your applications or research projects.
60 API Health
🌦️Console Weather Forecast
wttr.in is a console-oriented weather forecast service that supports various information representation methods like terminal-oriented ANSI-sequences for console HTTP clients (curl, httpie, or wget), HTML for web browsers, or PNG for graphical viewers.
53 API Health
🛠️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!
40 API Health
🌍OpenAQ Platform
Largest open-source air quality data platform aggregating historical and real-time air quality data globally.
39 API Health
🌤️Weather API
A RESTful API to check the current weather by providing city names as parameters. It offers functionalities to get temperature, wind speed, and a weather description in a simple JSON format.
36 API Health