curl --request GET \
  --url https://app.uselamina.ai/v1/publishing/channels \
  --header 'x-api-key: <api-key>'

{
  "data": [
    {
      "id": "ch-001",
      "platform": "facebook",
      "accountName": "My Brand Page",
      "accountType": "page",
      "username": null,
      "hasInstagram": true,
      "createdAt": "2026-03-01T10:00:00.000Z"
    },
    {
      "id": "ch-002",
      "platform": "instagram",
      "accountName": null,
      "accountType": "business",
      "username": "@mybrand",
      "hasInstagram": false,
      "createdAt": "2026-03-15T14:30:00.000Z"
    }
  ]
}