Supports true idempotency via idempotency_key. Replaying the same key returns the existing appointment with HTTP 200.
This token can be obtained by visiting the profile page or via rails console. Provides access to endpoints based on the user permissions levels. This token can be saved by an external system when user is created via API, to perform activities on behalf of the user.
The numeric ID of the account
Validates checksum when it looks like a 12-digit IIN
Existing appointment returned for a replayed idempotency key