# POST /credit/api/doCashInstallment

**Resource:** [Instalments](../resources/Instalments.md)
**Installment cash advance service**
**Operation ID:** `doCashInstallment`

Processes a cash installment payment (early release). Returns transaction ID, authorization number, UTID, and RRN.

**Part of:**

- <a href="https://apiportal.dgpays.com/journeys/capabilities#s-epp-credit" target="_parent">Journey 03 · Enabling additional capabilities</a> — step 2, Installment cash (IPP)

- <a href="https://apiportal.dgpays.com/journeys/capabilities#s-epp-debit" target="_parent">Journey 03 · Enabling additional capabilities</a> — step 2, Same services, debit card

## Request Body

Do Cash Installment Request

**Required:** Yes

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

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

## Responses

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

**Success Response Schema:**

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

