THE place to find APIs giving access to … every kind of data or services … thousands of them.
Some free API, but most are freemium, giving you a certain numbers of API access per day or month.
It ranges from weather data, ZIP codes, currencies, jobs databases to more obscure ones.
Beware of laws, such as copyrights and privacy, governing how these data were collected.
The included tools permit with a single account and secret key to test all API and fine-tune your queries, before porting to your app.
Freemium, No Download/Install required, Registration required