Retrieve all supported bank countries and their available currencies for counterparty creation.

:::note [Note] This feature is not available in Sandbox. :::

Use this endpoint to discover which country and currency combinations are supported before checking field requirements with the Check counterparty field requirements endpoint.

For more details, see the guide: Check supported counterparty countries and currencies section in Create a counterparty.

{
  "countries": [
    {
      "country": "GB"
    }
  ]
}