# Cancel a direct debit mandate Endpoint: PUT /customers/directdebitmandates/{id}:cancel Version: 1.0.0 Security: Biller Access Token (Staging), Biller Access Token (Production) ## Path parameters: - `id` (string, required) ## Request fields (application/json): - `reason` (string) The reason for cancelling a direct debit mandate ## Response 200 fields ## Response 400 fields ## Response 404 fields