Changes to Initiate OAuth authorization

added the media type application/json for the response with the status 400

added the non-success response with the status 403

added the non-success response with the status 429

added the optional property active_batches to the response with the 401 status

added the optional property available_credits to the response with the 401 status

added the optional property current_status to the response with the 401 status

added the optional property error to the response with the 401 status

added the optional property max_allowed to the response with the 401 status

added the optional property message to the response with the 401 status

added the optional property required_minimum to the response with the 401 status

added the optional property response_meta to the response with the 401 status

added the optional property retry_after to the response with the 401 status

added the required property error_code to the response with the 401 status