Validate license

curl --request POST \
  --url https://api.shoppex.io/dev/v1/licenses/validate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "key": "ABC-123",
  "product_id": "prod_1",
  "hardware_id": "HWID-1"
}
'

{
  "data": {
    "id": "1",
    "uniqid": "lic_1",
    "shop_id": "shop_1",
    "product_id": "prod_1",
    "invoice_id": "inv_1",
    "license_key": "ABC-123",
    "hardware_id": "HWID-1",
    "uses": 2,
    "expires_at": "2030-01-01T00:00:00.000Z",
    "created_at": "2026-01-01T00:00:00.000Z",
    "updated_at": "2026-01-02T00:00:00.000Z"
  }
}