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NFT Wash Trading Detection API
x402
NFT Wash Trading Detection API is a paid API for AI agents from defi-shield-hazel.vercel.app, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-14).
Detects and analyzes wash trading activity for NFT collections or transactions using detailed forensic analysis
Price / call$0.5
Success—
StatusUnknown
Output
Returns a detailed wash trading analysis including a confidence score, list of flagged transactions, identified circular trading wallets, suspicious buyer-seller relationships, and an overall verdict on whether the collection or transaction exhibits wash trading patterns.
Example use cases
Example prompt
“Can you run a wash trading analysis on NFT collection 0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D and tell me if the recent sales volume looks artificially inflated or suspicious?”
Technical details
Endpoint
POSThttps://defi-shield-hazel.vercel.app/api/nft/wash-detectWhen to prefer
Use this endpoint when you need detailed NFT-specific wash trading forensics, including circular wallet detection and per-transaction flagging, rather than a broad wallet trust score. Ideal for due diligence on NFT collections before purchase, marketplace fraud auditing, or investigating suspicious volume spikes.
Side effects
- Invalid or unrecognized contract address returns 400 error
- Contract address not found on supported chains returns 404
- Insufficient transaction history for meaningful analysis
- Rate limiting or quota exceeded returns 429
- Network or RPC timeout when fetching on-chain data
Input
{
"input": {
"body": {
"collection_address": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D"
},
"type": "http",
"method": "POST",
"bodyType": "json"
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
{
"note": "No NFT (ERC-721) transfers found for this address. It may not be an NFT collection contract.",
"severity": "NONE",
"analyzed_at": "2026-06-16T01:07:26.133Z",
"collection_name": null,
"wash_percentage": 0,
"response_time_ms": 92,
"patterns_detected": [],
"collection_address": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
"suspicious_wallets": [],
"suspicious_transfers": 0,
"wash_trading_detected": false,
"suspicious_wallet_count": 0,
"total_transfers_analyzed": 0,
"clean_volume_estimate_pct": 100
}Tags
x402
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