Cancel a sub number order

PATCH 
/sub_number_orders/:sub_number_order_id/cancel

Allows you to cancel a sub number order in 'pending' status.

200:

Successful response with details about a sub number order.

400:

Bad request, the request was unacceptable, often due to missing a required parameter.

401:

Unauthorized

404:

The requested resource doesn't exist.

422:

Unprocessable entity. Check the 'detail' field in response for details.

500:

Unexpected error