curl --request POST \
  --url https://api.quentli.com/v1/payment-sessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "input": {
    "invoiceIds": [
      "inv_1234567890abcdefghij",
      "inv_abcdefghij1234567890"
    ],
    "customer": {
      "name": "Juan Pérez",
      "externalId": "A-1029"
    },
    "returnUrl": "https://example.com/payments/success"
  }
}
'