---
title: "Create a Merchant Disallow List"
method: POST
path: "/api/v1/groups/disallow-merchant"
tags: ["Internal"]
---

# Create a Merchant Disallow List

`POST /api/v1/groups/disallow-merchant`

## Request

- Base URL: `https://cardsapi-uat-pub.globalprocessing.net`
- URL: `https://cardsapi-uat-pub.globalprocessing.net/api/v1/groups/disallow-merchant`
- Auth: OAuth 2
  - Client credentials
  - Token URL: `https://uatists.globalprocessing.net/connect/token` scopes: `readWrite`

## Request body

- CreateCardAcceptorGroup: Request object to Create a Card Acceptor Group
  - `listName` string, required: Name of list - max 50 characters.
  - `institutionId` integer, required: ID of the cognate Institution.

## Response `201`

Created

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `500`: Server Error

## Changes

- **2026-11-03** `a5b5e4fdcf41`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/thredd/apis/core-cards/changes/api/v1/groups/disallow-merchant/post.md)

---

[API](https://skmtc.dev/thredd/apis/core-cards.md) - [All operations](https://skmtc.dev/thredd/apis/core-cards/llms.txt) - [OpenAPI document](https://skmtc.dev/thredd/apis/core-cards/revisions/a5b5e4fdcf41?raw)