Create Exchange

Example response

{
  "code": 201,
  "data": {
    "source": {
      "currency": "UGX",
      "amount": 100,
      "balance": {
        "before": "398.78",
        "after": "398.78"
      }
    },
    "destination": {
      "currency": "KES",
      "amount": 3.1,
      "balance": {
        "before": "1783.82",
        "after": "1783.82"
      }
    }
  },
  "success": true
}