Castle offers a REST API that allows you to programmatically control both Personal and Business accounts. The API uses HTTP response codes and returns all error responses in JSON.

Getting started

1. Request to generate OAuth Client

   In order to have access to API your organization has to receive an OAuth Client and Secret. Please contact us at [email protected] and tell us more about your use case.

2. Read the documentation

   We recommend that you read the API documentations and familiarize yourself with the OAuth authentication process and subsequent authorized API calls.