# POST /credit/api/cancelInstallmentTransactionOrder

**Resource:** [Instalments](../resources/Instalments.md)
**Post-installment request cancellation service**
**Operation ID:** `cancelInstallmentTransactionOrder`

Cancels an existing installment transaction order identified by RecordId. Returns InstallmentOrderRecordId and Success flag indicating whether the cancellation succeeded.

**Part of:**

- <a href="https://apiportal.dgpays.com/journeys/capabilities#s-epp-credit" target="_parent">Journey 03 · Enabling additional capabilities</a> — step 1, Purchase conversion (EPP)

## Request Body

Cancel Installment Transaction Order Request

**Required:** Yes

**Content Types:** `application/json`

**Schema:** [CancelInstallmentTransactionOrderRequest](../schemas/Cancel/CancelInstallmentTransactionOrderRequest.md)

## Responses

| Status | Description |
|--------|-------------|
| 200 | Success |
| 400 | (reference) |
| 404 | (reference) |
| 500 | (reference) |

**Success Response Schema:**

[CancelInstallmentTransactionOrderResponse](../schemas/Cancel/CancelInstallmentTransactionOrderResponse.md)

