curl --request POST \
  --url https://api-sandbox.y.uno/v1/payments/{payment_id}/fulfillments \
  --header 'Content-Type: application/json' \
  --header 'private-secret-key: <api-key>' \
  --header 'public-api-key: <api-key>' \
  --data '
{
  "status": "PARTIAL",
  "fulfillments": [
    {
      "id": "fulfillment-1",
      "type": "STANDARD",
      "status": "COMPLETED",
      "description": "Package delivered successfully.",
      "shipped_at": "2024-11-20T15:00:00Z",
      "deliver_at": "2024-11-23T18:00:00Z"
    }
  ],
  "carriers": [
    {
      "id": "UPS",
      "tracking_id": [
        "TRK12345",
        "TRK67890"
      ],
      "tracking_url": [
        "https://tracking.example.com/TRK12345",
        "https://tracking.example.com/TRK67890"
      ]
    }
  ]
}
'