curl --request POST \
  --url https://api.getsly.ai/v1/v1/settlement/execute \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "transfer_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "rail": "<string>",
  "idempotency_key": "<string>"
}
'

{
  "data": {
    "transfer_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "rail": "<string>",
    "amount": "<string>",
    "fee": "<string>",
    "rail_reference": "<string>",
    "settlement_window_id": "<string>",
    "expected_settlement": "2023-11-07T05:31:56Z",
    "actual_settlement": "2023-11-07T05:31:56Z"
  }
}