---
title: "Changes to [Sandbox] Create a mock PayNow payment"
method: POST
path: "/sandbox/paynow_simulations"
---

# Changes to [Sandbox] Create a mock PayNow payment

`POST /sandbox/paynow_simulations`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `d17239d67150`: 3 info

## Changes

- **2026-11-03** `d17239d67150`: 3 info
  - api operation id `sandbox-create-mock-paynow-payment` removed and replaced with `create-a-mock-paynow-payment`
  - added the new optional request property `data/relationships`
  - added the optional property `data/attributes/customerProfileId` to the response with the `200` status

---

[Operation](https://skmtc.dev/straitsx/apis/straitsx-sandbox-base-url/docs/sandbox/paynow_simulations/post.md) - [API](https://skmtc.dev/straitsx/apis/straitsx-sandbox-base-url.md) - [Page](https://skmtc.dev/straitsx/apis/straitsx-sandbox-base-url/changes/sandbox/paynow_simulations/post)