Retrieve metrics for analytical purposes

curl -X GET "https://api.live.paisr.tech/v2/metrics" \
  -H "Authorization: Bearer <access_token>" \
  -H "User-Agent: MyApp/1.0" \
  -H "Content-Type: application/json"

{
  "success": true,
  "data": {
    "results": [
      {
        "currency": "SRD",
        "gross_volume": 1200,
        "incoming_volume": 200,
        "settled_volume": 1000,
        "refunded_volume": 0,
        "lost_volume": 500,
        "fee_volume": 50,
        "tax_volume": 0
      }
    ]
  }
}