Deletes an account number of your organization. Available only for Mexico account numbers, which are standardized Mexican bank account numbers (CLABEs). You cannot delete the root account number. Returns the deleted account number. Deleting an account number that is already deleted is idempotent: the endpoint returns the account number again with its deleted status instead of an error. The endpoint returns 404 Not Found only when no account number with the given ID exists. The underlying CLABE becomes available in the recycling pool 30 days after deletion, and Fintoc may reassign the CLABE to a different account or organization. Deletion is permanent and cannot be undone.