> ## Documentation Index
> Fetch the complete documentation index at: https://docs.polynode.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# Registered

> Check whether a wallet has activated a perps account.

```bash theme={null}
curl "https://api.polynode.dev/v3/perps/wallets/0x09b428f7c2b469786286214aa5c90dd9015f7320/registered?key=$POLYNODE_API_KEY"
```

```json theme={null}
{
  "input": "0x09b428f7c2b469786286214aa5c90dd9015f7320",
  "signer": "0x509e390373f5bde0bb02c1019ee39cf0ef23a1a4",
  "wallet_type": "deposit",
  "registered": false
}
```

The cheapest way to filter a wallet list down to actual perps users before requesting portfolios. Accounts that activate perps show up as `registered: true` within minutes.

Accepts either address form — proxy or signer ([details](/perps/wallet-mapping)).