Get Indicative FX Rate

curl --request GET \
  --url https://api.antonpayments.com/v1/fx/rate \
  --header 'Authorization: Bearer <token>'

{
  "data": {
    "id": "<string>",
    "sell_currency": "<string>",
    "buy_currency": "<string>",
    "sell_amount": "<string>",
    "buy_amount": "<string>",
    "mid_market_rate": "<string>",
    "customer_rate": "<string>",
    "inverse_rate": "<string>",
    "fx_markup_bps": 123,
    "fx_fee": "<string>",
    "fx_fee_currency": "<string>",
    "provider": "<string>",
    "expires_at": "2023-11-07T05:31:56Z",
    "locked": true
  }
}