curl --request GET \
  --url https://api.privataswap.com/partner/v1/providers/refund-capability

{
  "providers": [
    {
      "code": "<string>",
      "window_hours": 123,
      "sla_hours": 123,
      "fee_pct": 123,
      "fee_network": true
    }
  ],
  "updated_at": "2023-11-07T05:31:56Z"
}