---
title: "Activate Installment"
method: POST
path: "/pws/pws_activate_installment"
tags: ["Installment"]
---

# Activate Installment

`POST /pws/pws_activate_installment`

## Request

- Base URL: `https://api.uat.paymentology.com/ppws/api`
- URL: `https://api.uat.paymentology.com/ppws/api/pws/pws_activate_installment`
- Auth: none declared

This web service allows to active offered installment

## Request body

- PwsActivateInstallmentModel
  - `api_call_unique_identifier` string, required: Unique number that must be passed at each API request. Identifier to make each API request unique
  - `client_id` integer, required: Unique identifier for the client which Paymentology will provide at outset
  - `installment_id` integer, required: Installment id that is to be activated
  - `user_id` string: User Id of the Customer who triggered the API request.
  - `remarks` string: Remarks for API request

## Response `200`

Successful Response

- ActivateInstallmentResponse
  - `header` ActiveInstallmentHeader
    - `error_id` integer: error id
    - `error_desc` string: error message
  - `body` ActiveInstallmentBody
    - `message` string: message that indicate whether installment is/can be activated or not

## Other responses

- `404`: Webservices does not exist
- `500`: Internal Server error

## Changes

- **2026-11-03** `73c2771493b1`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/paymentology/apis/payapi-docs/changes/pws/pws_activate_installment/post.md)

---

[API](https://skmtc.dev/paymentology/apis/payapi-docs.md) - [All operations](https://skmtc.dev/paymentology/apis/payapi-docs/llms.txt) - [OpenAPI document](https://skmtc.dev/paymentology/apis/payapi-docs/revisions/73c2771493b1?raw)