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POST

Cancellation Window

After a Successful Cancellation

On a 202 Accepted response:
  • All payment records for this transactionId are immediately updated to CANCELLED status.
  • A payment.status_changed webhook is fired for each affected record.
  • No further status transitions will occur for this transaction.

Error 4024

If the clearing house cannot cancel the transaction (payment is outside the cancellation window), it returns error code 4024. Check the current status of the payment records via the Contribution History endpoint before attempting cancellation.

Request Parameters

string
required
The clearing house transaction ID returned when the contribution batch was submitted.

Responses

string
Clearing house error code identifying the rejection reason
string
Human-readable reason for the rejection
Last modified on November 10, 2026