# POST /credit/api/doPaymentTransaction

**Resource:** [Transactions](../resources/Transactions.md)
**Service that processes payment transactions**
**Operation ID:** `doPaymentTransaction`

Performs a credit card payment transaction. Returns transaction identifiers (UTID, RRN, AuthCode), response codes, and success status.

**Part of:**

- <a href="https://apiportal.dgpays.com/journeys/launch#s-credit" target="_parent">Journey 01 · Launching a new card product</a> — step 6, Post the first transaction

- <a href="https://apiportal.dgpays.com/journeys/manage#s-money" target="_parent">Journey 02 · Managing a card product</a> — step 1, Post and quote payments

## Request Body

Do Payment Transaction Request

**Required:** Yes

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

**Schema:** [DoPaymentTransactionRequest](../schemas/Do/DoPaymentTransactionRequest.md)

## Responses

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

**Success Response Schema:**

[DoPaymentTransactionResponse](../schemas/Do/DoPaymentTransactionResponse.md)

