Passport control for your free tier.

Fake signups don't cost rows. They cost tokens.

On an AI product every free account spends real inference. Example inputs — your dashboard uses your own numbers.

Six desks. One decision.

Each check returns allow, review or block with the reasons, so you choose the consequence: deny, ask for a card, or grant fewer credits.

Two snippets. Ship before lunch.

<!-- adds attrelix_visitor to your forms -->
<script src="https://attrelix.com/v1.js?v=0bbe74b52d"
        data-key="pk_live_…" async></script>

const r = await fetch("https://attrelix.com/v1/check", {
  method: "POST",
  headers: { Authorization: `Bearer ${SK}` },
  body: JSON.stringify({ email, ip, visitor })
}).then(r => r.json());
if (r.decision === "block") return deny();
if (r.decision === "review") return requireCard();
// r.reasons → [{ code: "linked_accounts_10", points: 45 }, …]

The publishable key in the page can only collect signals, and only from your domains. Decisions come from your server, with the secret key.

Today at the border.

Example rows — illustrative data.

Is this domain disposable?

Pick the abuse you are fighting.

• Free trial abuse →
• AI free-credit abuse →
• Multi-accounting →
• Fake and bot signups →
• Disposable e-mail detection →

Pay per check, not per seat.