# Working with the API

- [Starting a Request via REST API](/developer-documentation/advanced-examples/working-with-the-api/starting-a-request-via-rest-api.md): Learn how to start an instance of a Process called a Request.
- [Starting a Request via Web Hook](/developer-documentation/advanced-examples/working-with-the-api/starting-a-request-via-web-hook.md): This guide discusses how to integrate ProcessMaker with web hooks into third-party web applications to initiate new requests.