curl --request POST \
  --url https://api.shoppex.io/dev/v1/products/{id}/serials/claim \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "amount": 2
}'

{
  "data": {
    "claimed_count": 2,
    "remaining_stock": 7,
    "serials": [
      {
        "id": "serial_1",
        "serial": "ABC-123",
        "variant_id": null,
        "variant_title": null,
        "created_at": "2026-03-16T10:00:00.000Z"
      },
      {
        "id": "serial_2",
        "serial": "XYZ-789",
        "variant_id": null,
        "variant_title": null,
        "created_at": "2026-03-16T10:01:00.000Z"
      }
    ]
  }
}