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x402 Wash Trading Check
x402
x402 Wash Trading Check is a paid API for AI agents from x402-meta.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-21).
Detects wash trading and fake traffic on an x402 service by checking its reported volume for shared payouts, twin metrics, and single-buyer farm patterns.
Price / call$0.02
Success—
StatusUnknown
How this service works
Is an x402 service's traffic organic? Checks a host's reported volume for shared payouts, twin metrics and one-buyer farms.
Output
Returns a structured verdict object with: overall wash-trading verdict (clean/suspicious/flagged), a human-readable summary, list of specific reasons/flags triggered, per-service breakdown including 30-day volume in USD, transaction count, unique buyer count, top buyer share percentage, shared payout boolean, and any unchecked services. Also includes a degraded flag if data quality is limited, the data source URL, and attribution/disclaimer text.
Example use cases
Due diligence before investing in x402 service
“I'm thinking about buying into an x402 API called datastream.io — can you run a wash trading check on it and tell me if its 30-day volume and buyer numbers look legitimate or inflated?”
Vetting a competitor's marketplace ranking
“This service at analytics-api.xyz keeps showing up at the top of the x402 leaderboard. Can you check whether its traffic is organic or if it's gaming the rankings with fake volume?”
Auditing own service for false positive flags
“My x402 service at myapi.dev got flagged somewhere for suspicious activity — can you run the wash check on it and tell me what specific reasons or flags are coming up so I can understand what's going on?”
Technical details
Endpoint
GEThttps://x402-meta.x402tookit.com/x402-wash-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to verify whether an x402 service's reported traffic is organic before making decisions that depend on its marketplace standing — such as competitive analysis, investment, partnership evaluation, or fraud auditing. Prefer this over simply reading raw leaderboard stats, which can be gamed. This is specifically designed for the x402 ecosystem and understands shared payout wallets, twin metric patterns, and single-buyer farms that generic analytics tools would miss.
Side effects
- Host not found or has no x402 activity — returns null metrics with empty services array
- Domain has insufficient transaction history — returns degraded:true with limited confidence
- Invalid host format causes query parameter validation failure
- Rate limiting or payment failure results in 402 response before data is returned
- Service recently launched with too few data points to make a reliable determination
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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