API Reference

REST cancel payment

REST equivalent of the GraphQL cancelPayment mutation.

POSThttps://api.argonpay.app/cancel-paymentPOST /cancel-payment

Merchant REST equivalent of the GraphQL cancelPayment mutation. Cancels a payment that is not already finalized.

Endpoint

POST https://api.argonpay.app/cancel-payment

Content-Type: application/json

Body

Name	Type	Required	Description
`txnid`	string	Yes	Transaction ID to cancel

Example

curl -X POST https://api.argonpay.app/cancel-payment \
  -H 'Content-Type: application/json' \
  -d '{"txnid":"YOUR_TXNID"}'

{
  "txnid": "YOUR_TXNID"
}

Response

Same logical payload as GraphQL cancelPayment (sanitized for REST).

Errors

Code	Meaning
400	Missing `txnid`
500	Server error cancelling payment

GraphQL equivalent

See Cancel payment (cancelPayment).

REST cancel payment

curl --request POST \
  --url 'https://api.argonpay.app/cancel-payment' \
  --header 'Content-Type: application/json' \
  --data '{"txnid":"YOUR_TXNID"}'

{
  "data": {
    "POST /cancel-payment": {
      "code": 200,
      "message": "OK"
    }
  }
}

POST · https://api.argonpay.app/cancel-payment