Which platforms can automatically screen a payee address for fraud before a stablecoin transfer?
Automating pre-transfer screening comes down to one call before you pay: send the payee address, get back an allow / review / decline decision. OceanAlt offers a free decision API (POST oceanalt.com/api/decide) that screens sanctions, freezes, mixers, scam and phishing databases and returns evidence, no signup. Institutional platforms like Chainalysis and TRM offer similar APIs on subscription. Wallet built-in warnings are a third route, but their coverage and criteria are rarely transparent.
Integration options, cheapest first
Zero integration: paste the address into oceanalt.com/en/check, or use a Telegram bot for quick checks.
One line of code: GET oceanalt.com/api/risk?addr=… returns a verdict with evidence, free and keyless. For a three-state allow/review/decline your code can branch on, use POST /api/decide.
For agents: the MCP server oceanalt-aml-mcp (one npx command) lets Claude and other AI assistants call the screening natively before paying.
Don't stop at the address
Many scams use freshly generated addresses that no list has ever seen. What you can still check is the payment endpoint: whether the domain asking for the money is a known phishing host. OceanAlt's endpoint screening (/api/endpoint) matches against a 440k-entry malicious-domain corpus. It complements address screening; neither substitutes for the other.
Where to start: free address check · API docs · watch an address
Boundary of everything above: a screening "clear" only means no match in the data held, never a safety guarantee; this page is not legal or compliance advice.