Merchant groups

Authorization: Bearer mk_live_<your_key>

GET /api/merchant/v1/stores/{storeId}/groups?page=1&limit=50

{
  "groups": [
    {
      "id": "clxyz...",
      "name": "Starter bundle",
      "image": null,
      "visibility": "public",
      "storeId": "cm...",
      "productCount": 2,
      "products": [],
      "createdAt": "2026-09-21T00:00:00.000Z",
      "updatedAt": "2026-09-21T00:00:00.000Z"
    }
  ],
  "page": 1,
  "limit": 50,
  "total": 1
}

POST /api/merchant/v1/stores/{storeId}/groups

{
  "name": "Starter bundle",
  "visibility": "public",
  "image": null,
  "products": [123456]
}

GET    /api/merchant/v1/stores/{storeId}/groups/{groupId}
PATCH  /api/merchant/v1/stores/{storeId}/groups/{groupId}
PUT    /api/merchant/v1/stores/{storeId}/groups/{groupId}
DELETE /api/merchant/v1/stores/{storeId}/groups/{groupId}

{
  "id": "clxyz...",
  "name": "Starter bundle",
  "visibility": "public",
  "productCount": 1,
  "products": [
    { "id": "clprod...", "productId": 123456, "name": "Premium key" }
  ]
}