curl --request POST \
  --url https://checkout.dintero.com/v1/sessions/{session_id}/payex-v3/callback/{callback_ref} \
  --header 'Content-Type: application/json' \
  --data '
{
  "payment": {
    "id": "/psp/<payment instrument>/payments/22222222-2222-2222-2222-22222222222",
    "number": 222222222
  }
}
'

{
  "error": {
    "message": "<string>",
    "code": "<string>",
    "errors": [
      {}
    ]
  }
}