curl --request POST \
  --url https://api.example.com/exchange/swap-configurations \
  --header 'Content-Type: application/json' \
  --data '
{
  "symbol": "USD-NGN",
  "ttl": 10,
  "type": "buy"
}
'

{
  "data": {
    "id": "<string>",
    "symbol": "<string>",
    "ttl": 123
  }
}