A free tier for casual checks, and flat monthly subscriptions for teams that want predictable billing instead of pay-per-call. Subscribe by card through Stripe Checkout — your API key is issued as soon as payment clears, and you can cancel any time.
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/api/risk/pro is $0.02/call via the x402 protocol, settled in USDC on Base — no account, no subscription, no card. Subscriptions above are a second option for buyers who want a card invoice instead of a crypto wallet.