curl --request PUT \
  --url https://colloqui-web-develop-btoadh.laravel.cloud/api/v1/workspaces/{workspace_id}/agents/{agent_id}/subscriptions/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "product_id": "01h8xyz123abc456def789ghi"
}
'

{
  "data": {
    "id": 303,
    "workspace_id": "01kqh44c218wnfq26sdepf803y",
    "type": "default",
    "stripe_id": "sub_N2BSUg1wARYxBszPfeU0qldewdoXidX1JZ8s0ajq",
    "stripe_status": "active",
    "stripe_price": null,
    "quantity": null,
    "trial_ends_at": null,
    "ends_at": null,
    "created_at": "2026-05-01T06:38:01.000000Z",
    "updated_at": "2026-05-01T06:38:01.000000Z"
  }
}