Rule-based fraud risk for an invoice (duplicate / vendor-anomaly / round-amount / rush-terms) → score 0-100 + LOW/MEDIUM/HIGH/CRITICAL + reasons.
Rule-based fraud risk for an invoice (duplicate / vendor-anomaly / round-amount / rush-terms) → score 0-100 + LOW/MEDIUM/HIGH/CRITICAL + reasons. Deterministic, no keys.
Metered access — free-key quota or x402 pay-per-call (USDC on Base). Details at /pricing.
| Parameter | Type | Required | Description |
|---|---|---|---|
invoice | object | required | the invoice to score |
existing_invoices | array | optional | prior invoices for duplicate/vendor-anomaly checks |
curl -s https://wingmanprotocol.com/mcp \
-H 'Content-Type: application/json' \
-H 'Accept: application/json, text/event-stream' \
-d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "invoice_fraud_check", "arguments": {"invoice": {}}}}'curl -s https://wingmanprotocol.com/tools/invoice_fraud_check \
-H 'Content-Type: application/json' \
-d '{"invoice": {}}'Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/invoice_fraud_check from your browser.
X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).