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x402 Taint Trace — Sanctioned Funds Detection on Base
x402
x402 Taint Trace — Sanctioned Funds Detection on Base is a paid API for AI agents from x402-services-production.up.railway.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Traces whether an EVM wallet's incoming funds originate from a sanctioned address within N hops on Base network
Price / call$0.05
Success—
StatusUnknown
How this service works
Tainted-funds tracing: does this wallet's incoming money trace back to a sanctioned address within N hops? Multi-hop fund-flow trace on Base. Send { address, hops? }. Screen incoming payments before accepting them.
Output
Returns a taint analysis result indicating whether the wallet's incoming funds trace back to any sanctioned address within the specified hop depth, including the fund-flow path and which sanctioned entity was detected if applicable.
Example use cases
Example prompt
“Before I accept this payment, can you check if the wallet 0x3fC91A3afd70395Cd496C647d5a6CC9D4B2b7FAD has any tainted funds tracing back to sanctioned addresses within 3 hops on Base?”
Technical details
Endpoint
POSThttps://x402-services-production.up.railway.app/api/compliance/taintWhen to prefer
Use this endpoint when you need to perform AML/sanctions compliance screening on a specific Base wallet before accepting an incoming payment, particularly when you need multi-hop fund-flow tracing rather than a simple address blocklist lookup. Prefer this over generic blockchain explorers when you need automated taint propagation analysis up to 3 hops deep.
Side effects
- Invalid or malformed EVM address returns an error
- Hop count outside 1-3 range may be rejected or clamped to default
- Base node timeout or RPC failure causing trace to fail
- Address with no transaction history returns no-trace result
- Payment failure (insufficient USDC) blocks the call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| hops | number | Trace depth 1-3 (default 2) |
| addressrequired | string | 0x EVM address (Base) |
Tags
x402
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