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

# [Sandbox] Create a mock PayNow payment

`POST /sandbox/paynow_simulations`

[Available in Sandbox environment only] Send test funds to your business account via PayNow

## Headers

- `X-XFERS-APP-API-KEY` string, required
- `X-PUBLIC-KEY-ID` string
- `X-TIMESTAMP` string
- `X-NONCE` string
- `X-SIGNATURE` string

## Request body

- object
  - `data` object
    - `attributes` object
      - `id` string — PayNow ID of the mock PayNow payment created
      - `amount` integer — Transaction amount
      - `sourceBankAccountHolderName` string — Input a name here to test the pending status for name matching failure
      - `endToEndRef` string — End user's added comments/notes

## Response `200`

200

- object
  - `data` object
    - `id` string — PayNow contract ID.
    - `type` string — Request type.
    - `attributes` object
      - `idempotencyId` string — Idempotency ID for the transaction.
      - `currency` string — Transaction currency.
      - `amount` string — Transaction amount.
      - `fees` string — Additional transaction fees charged.
      - `status` string — Transaction status.
      - `createdAt` string — Timestamp when the transaction was created.
      - `senderInformation` object — Sender information.
        - `accountHolderName` string — Sender's bank account holder name.
        - `accountNumber` string — Sender's bank account number.
        - `bankName` string — Sender's bank name.
        - `endToEndRef` string — End user’s added comments/notes.
        - `swiftBic` string — Sender's bank SWIFT/BIC code.
        - `transactionRemarks` unknown
      - `paymentMethod` object — Payment method details.
        - `id` string — PayNow payment method ID.
        - `referenceId` string — Reference ID.
        - `virtualPaymentAddress` string — PayNow virtual payment address.
        - `base64EncodedImage` string — Base64-encoded PayNow QR image for the PayNow payment method.
      - `blockedReasons` object[] — Reasons blocking the transaction, if any.
        - `code` string — Block reason code.

---

[API](https://skmtc.net/straitsx/apis/straitsx-sandbox-base-url.md) · [All operations](https://skmtc.net/straitsx/apis/straitsx-sandbox-base-url/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/straitsx/straitsx-sandbox-base-url/revisions/9ceee2969aeb/schema)