curl --request POST \
  --url https://api.kraken.com/0/private/DepositMethods \
  --header 'API-Key: <api-key>' \
  --header 'API-Sign: <api-key>' \
  --header 'Content-Type: application/json' \
  --header 'x-vault-id: <x-vault-id>' \
  --data '
{
  "nonce": 123,
  "category": "custody",
  "asset": "ZUSD",
  "aclass": "currency"
}
'

{
  "error": [
    {
      "errorClass": "<string>",
      "type": "<string>",
      "errorMessage": "<string>"
    }
  ],
  "result": [
    {
      "method": "<string>",
      "limit": "<string>",
      "fee": "<string>",
      "fee-percentage": "<string>",
      "address-setup-fee": "<string>",
      "gen-address": true,
      "minimum": "<string>"
    }
  ]
}