curl --request POST \
  --url http://localhost/api/payments/v3/payment-initiations/{paymentInitiationID}/reverse \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "reference": "<string>",
  "description": "<string>",
  "amount": 123,
  "asset": "<string>",
  "metadata": {}
}
'

{
  "data": {
    "taskID": "<string>",
    "paymentInitiationReversalID": "<string>"
  }
}