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Strale Web3 Pre-Trade Security Check
x402
Strale Web3 Pre-Trade Security Check is a paid API for AI agents from api.strale.io, paid per call via x402, $0.1296/call, status unknown (last checked 2026-09-15).
Performs pre-trade due diligence on a crypto token by aggregating security analysis, TVL data, and market trust signals before executing a DeFi trade
Price / call$0.1296
Success—
StatusUnknown
How this service works
Everything a trading agent needs before placing a trade. Market price, token contract safety, protocol health, deployer wallet risk, market sentiment, and gas costs — all in one call.
Output
Returns a structured JSON object with security assessment of the token including contract risk flags, TVL data from DeFi Llama, market trust signals from CoinGecko, and an audit trail — giving a pre-trade safety verdict before committing to a DeFi trade.
Example use cases
Validate meme coin before buying
“I'm thinking about buying into this new meme coin — contract address is 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum (chain 1). Can you run a full pre-trade safety check on it, including the contract risk, TVL, and any market trust signals, before I commit any funds?”
Check DeFi protocol TVL and security
“Before I provide liquidity to Curve Finance, can you do a pre-trade due diligence check? Use CoinGecko ID 'curve-dao-token', contract address 0xD533a949740bb3306d119CC777fa900bA034cd52 on chain 1, and pull the 'curve' protocol data from DeFi Llama so I can see if it's safe and has enough TVL.”
Audit unfamiliar token before swapping
“I just got a tip on a token I've never heard of — contract 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984 on Ethereum. Before I swap any ETH into it, run a security and trust check on it and tell me if there are any red flags in the contract or if the market signals look sketchy.”
Technical details
Endpoint
POSThttps://api.strale.io/x402/solutions/web3-pre-tradeWhen to prefer
Use this endpoint when an AI agent needs to perform pre-trade due diligence on a DeFi token or protocol — specifically when you need a bundled security + TVL + market trust check in one call with an audit trail, rather than querying CoinGecko, DeFi Llama, and a contract scanner separately.
Side effects
- Invalid or unknown token_id returns 404 or empty data
- Unrecognized contract_address may return no security scan results
- DeFi Llama protocol slug mismatch causes TVL lookup to fail
- Unsupported chain_id may result in incomplete contract analysis
- Network timeouts from upstream data providers (CoinGecko, DeFi Llama)
Input
{
"chain_id": "1",
"protocol": "aave",
"token_id": "ethereum",
"contract_address": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| chain_id | string | Chain ID, default 1 |
| protocol | string | DeFi Llama protocol slug for TVL check |
| token_id | string | CoinGecko token ID or symbol (e.g., 'ethereum', 'bitcoin') |
| contract_address | string | Token contract address for security check |
Output
{
"_meta": {
"payment": {
"method": "x402",
"price_usd": 0.1296,
"settlement_id": "0x2f6df15abfb0b7ad5c8f5f45e05e086fa1c088e5260db8c0de16aa6cbc421303"
},
"solution": "web3-pre-trade",
"latency_ms": 722,
"step_count": 6
},
"steps": {
"crypto-price": {
"id": "ethereum",
"name": "Ethereum",
"prices": {
"eur": 1448.5,
"gbp": 1249.59,
"usd": 1676.51
},
"symbol": "eth",
"ath_usd": 4946.05,
"ath_date": "2025-08-24T19:21:03.333Z",
"last_updated": "2026-06-12T04:47:07.269Z",
"total_supply": 120684283.3954924,
"market_cap_usd": 202328158769,
"market_cap_rank": 2,
"total_volume_usd": 11356782703,
"circulating_supply": 120684283.3954924,
"price_change_7d_percent": -3.12268,
"price_change_24h_percent": 1.29033,
"price_change_30d_percent": -26.88952
},
"gas-price-check": {
"chain_id": "1",
"base_fee_gwei": 0.172282654,
"fast_gas_gwei": 0.189843362,
"safe_gas_gwei": 0.17250932,
"gas_used_ratio": "0.514383316666667,0.53752685,0.522485,0.358766733333333,0.2530531",
"proposed_gas_gwei": 0.172584875
},
"fear-greed-index": {
"timestamp": "2026-06-12T00:00:00.000Z",
"current_value": 12,
"classification": "Extreme Fear"
},
"wallet-risk-score": {
"address": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"details": {
"fake_kyc": false,
"cybercrime": false,
"blacklist_doubt": false,
"financial_crime": false,
"stealing_attack": false,
"money_laundering": false,
"phishing_activities": false,
"blackmail_activities": false,
"darkweb_transactions": false,
"honeypot_related_address": false,
"malicious_mining_activities": false
},
"chain_id": "1",
"risk_level": "low",
"risk_labels": [],
"is_malicious": false
},
"protocol-tvl-lookup": {
"url": "https://aave.com",
"name": "Aave",
"slug": "aave",
"audits": null,
"chains": [],
"github": [
"aave",
"aave-dao"
],
"symbol": "AAVE",
"tvl_usd": 12282484367,
"twitter": "aave",
"category": null,
"chain_tvls": {
"BSC": 154634033,
"Base": 369024401,
"Celo": 4229763,
"Aptos": 1336207,
"Linea": 11176635,
"Metis": 289688,
"Sonic": 7704347,
"pool2": 608085,
"Fantom": 3522,
"Gnosis": 50462934,
"Mantle": 89497778,
"Plasma": 572627738,
"Scroll": 1677585,
"Harmony": 0,
"MegaETH": 93386634,
"Polygon": 122769220,
"Soneium": 155338,
"X Layer": 57715333,
"Arbitrum": 405890441,
"Ethereum": 10036725342,
"Avalanche": 260974248,
"OP Mainnet": 41254453,
"ZKsync Era": 948717
},
"audit_links": [],
"description": "Aave is an Open Source and Non-Custodial protocol to earn interest on deposits and borrow assets",
"listed_since": null,
"is_open_source": false,
"tvl_change_1d_pct": null,
"tvl_change_7d_pct": null
},
"token-security-check": {
"buy_tax": "0",
"chain_id": "1",
"is_proxy": false,
"sell_tax": "0",
"is_in_dex": true,
"risk_level": "low",
"token_name": "Wrapped Ether",
"is_honeypot": false,
"is_mintable": false,
"hidden_owner": false,
"holder_count": 3608324,
"token_symbol": "WETH",
"total_supply": "2613421.858371091106255719",
"is_anti_whale": false,
"owner_address": null,
"is_blacklisted": false,
"is_open_source": true,
"creator_address": "0x4f26ffbe5f04ed43630fdc30a87638d53d0b0876",
"contract_address": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
"can_take_back_ownership": false
}
},
"solution": "web3-pre-trade"
}Tags
x402
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