Update an end user
Authentication
Bearer authentication of the form Bearer <token>, where token is your auth token.
Path parameters
The Ada end_user_id
Request
Set or update the external identifier for this end user. Pass null to remove the current external_id. Must be unique per AI Agent; maximum 36 characters; must not contain < or > characters. Values are stored case-insensitively. Returns 409 if the external_id is already assigned to a different end user. Available for custom channel integrations only (V1).
Response
The unique Ada-generated id for the end user
Caller-supplied identifier that links this end user to your own system (for example a CRM contact ID or a phone number). Unique per AI Agent. Null if not set. Maximum 36 characters; values are case-insensitive. Available for custom channel integrations only (V1).