curl -X POST 'https://api.yativo.com/api/v1/swap/process' \
  -H 'Authorization: Bearer YOUR_ACCESS_TOKEN' \
  -H 'Content-Type: application/json' \
  -H 'Idempotency-Key: swap-process-001' \
  -d '{
    "from_currency": "USD",
    "to_currency": "BRL",
    "amount": 500,
    "transaction_purpose": "Fund BRL wallet for local payouts"
  }'

{
  "status": "success",
  "status_code": 200,
  "message": "Request successful",
  "data": {
    "from_currency": "USD",
    "to_currency": "BRL",
    "from_amount": "500.00",
    "to_amount": "2491.00",
    "exchange_rate": "4.9820",
    "transaction_type": "currency_swap",
    "created_at": "2026-06-01T10:00:00.000000Z"
  }
}

{
  "status": "error",
  "status_code": 400,
  "message": "Insufficient wallet balance"
}