# POST /debit/api/updateTransactionForBNPL

**Resource:** [Transactions](../resources/Transactions.md)
**Operation ID:** `updateTransactionForBNPL`

Updates installment information for BNPL (Buy Now Pay Later) transactions. Updates corresponding transaction records for Installment Count, Installment Parameter, and Installment Profit Rate to synchronize with core banking system.

## Request Body

Update Transaction For B N P L Request

**Required:** Yes

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

**Schema:** [UpdateTransactionForBNPLRequest](../schemas/Update/UpdateTransactionForBNPLRequest.md)

## Responses

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

**Success Response Schema:**

[UpdateTransactionForBNPLResponse](../schemas/Update/UpdateTransactionForBNPLResponse.md)

