Rebrickable provides a number of API/Web Services to assist developers build their own websites or apps which use the Rebrickable database. To be able to use these, you must first Generate an API Keyfrom your profile's settings page (if you don't already have an account register here).

API Documentation

V3 Docs Access the automatically generated API docs (v3), to get more details of each endpoint and test out the API.

V2 Docs The old version of the API docs (v2) are still available, but has been turned off.