Invoices

Cancel an invoice

POST /v2/api/invoices/cancel

Cancel an invoice that is not paid yet.

Key permission: Receive Funds

Parameters

Name	Type	Description
merchant_order_id	string	Your order ID. Give this or invoice_id.
invoice_id	integer	The invoice ID. Give this or merchant_order_id.

curl -X POST "https://api.mmoneybb.com/merchant/v2/api/invoices/cancel" \
  -H "x-api-key: mm_api_key_XXXX" \
  -H "Content-Type: application/json" \
  -d '{"merchant_order_id":"order_123"}'

Response

{
  "invoice_id": 3244,
  "merchant_order_id": "order_123",
  "currency": "BBD",
  "price": 1000,
  "paid": 0,
  "transaction_fee": 0,
  "ulid": "01HNG3V4T5CHMZ6GR3YHXDEG4P",
  "status": "canceled",
  "created_at": "2026-01-01T00:00:00Z",
  "updated_at": "2026-01-01T00:00:00Z"
}