# Free APIs by feature

Page: https://free-web-services.com/free-apis/

Free APIs grouped by what they offer: no key needed, a free key, JSON or XML responses, SOAP, or open source code. The lists update themselves as services are added.

- [Free APIs with no key](https://free-web-services.com/free-apis/no-key/index.md)
- [Free APIs with a free API key](https://free-web-services.com/free-apis/free-api-key/index.md)
- [Free JSON APIs](https://free-web-services.com/free-apis/json/index.md)
- [Free XML APIs](https://free-web-services.com/free-apis/xml/index.md)
- [Free SOAP web services](https://free-web-services.com/free-apis/soap/index.md)
- [Free open source APIs](https://free-web-services.com/free-apis/open-source/index.md)