---
title: "Simulate Card Authorization Requests"
method: POST
path: "/open-api/v3/vcc/simulate/auth"
tags: ["Test"]
---

# Simulate Card Authorization Requests

`POST /open-api/v3/vcc/simulate/auth`

Simple endpoint to simulate authorization requests. Only available on `sandbox` environment.

## Request body

- SimulateAuthorizationRequest — simulate authorization request
  - `cardId` string, required — card id
  - `amount` string, required — USD amount
  - `merchantName` string — merchant name
  - `mcc` string — merchant category code

## Response `200`

OK

- SimulateAuthorizationResponse — simulate authorization response
  - `reasonCode` string — reason code
  - `responseCode` string — response code

## Other responses

- `400` — Bad Request

---

[API](https://skmtc.dev/interlace/apis/core-resource.md) · [All operations](https://skmtc.dev/interlace/apis/core-resource/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/interlace/core-resource/revisions/29c08a4da357/schema)