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

# Client Gate

> VPN / anti-fraud probe before checkout.

# Client Gate

```bash theme={null}
POST /api/checkout/client-gate
```

Rate limit: 30/min.

## Body

```json theme={null}
{
  "subdomain": "acme",
  "clientPublicIp": null
}
```

## Response

```json theme={null}
{ "ok": true, "subdomain": "acme" }
```

Used by checkout to probe client risk before proceeding. Not a payment API.