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Token Risk Check
x402
Token Risk Check is a paid API for AI agents from grok-backtest-api.fly.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-31).
Checks a token contract address on Base, Ethereum, or Solana for risk factors including proxy structure, taxes, upgrade risk, and overall safety verdict.
Price / call$0.02
Success—
StatusUnknown
How this service works
Scam/honeypot/rug risk check for a token: unverified code, sell restrictions, mint/pause/blacklist powers, taxes, upgradeable proxy, age, liquidity, fake major-token impersonation and spam-airdrop patterns. Never visits metadata URLs.
Output
Returns a JSON object with the token name, symbol, chain, contract address, a numeric risk score, a risk level label (e.g. low/medium/high), a plain-English verdict, a list of risk flags with severity and detail, and factual metadata about the contract (age in days, proxy status, buy/sell tax percentages, source verification status).
Example use cases
Pre-swap DeFi safety check
“I'm about to swap some ETH for this token at 0xdac17f958d2ee523a2206206994597c13d831ec7 on Ethereum — can you check if it's a honeypot or has any rug pull flags before I go ahead?”
Automated portfolio token screening
“I'm building a bot that buys new tokens on Base. Can you check 0x4200000000000000000000000000000000000006 on Base for risk level, buy/sell taxes, and whether the contract is verified or upgradeable?”
Solana token scam verification
“Someone just sent me a Solana token at address So11111111111111111111111111111111111111112 — can you tell me if it's legitimate, how old the contract is, and what the overall risk verdict is?”
Technical details
Endpoint
POSThttps://grok-backtest-api.fly.dev/token-check?utm_source=zero.xyzWhen to prefer
Use this endpoint when an agent needs a quick, structured risk assessment of a specific token contract address before trading, swapping, or adding it to a portfolio. It's especially valuable for DeFi agents that need to screen tokens at runtime rather than relying on static allowlists. Prefer this over manual on-chain inspection when you need a combined signal from GoPlus security data and on-chain RPC facts in a single call. It covers Base, Ethereum, and Solana — making it useful across major EVM and non-EVM chains.
Side effects
- Invalid or malformed contract address returns an error
- Unsupported chain value (not base/ethereum/solana) causes validation failure
- Unknown or very new tokens may have limited data and incomplete facts
- Address length outside 32–44 characters rejected by schema validation
- Network or RPC outage may cause incomplete flag data or timeout
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chain | string | |
| address | string |
Output
Schema · Response
{
"type": "json",
"example": {
"name": "USD Coin",
"chain": "base",
"facts": {
"age_days": 1165,
"is_proxy": true,
"taxes_pct": {
"buy": 0,
"sell": 0
},
"verified_source": true
},
"flags": [
{
"id": "upgradeable_proxy",
"detail": "Upgradeable proxy...",
"source": "rpc/goplus",
"severity": "info"
}
],
"symbol": "USDC",
"address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
"verdict": "Canonical major token on this chain. No major red flags found by these checks.",
"risk_level": "low",
"risk_score": 0,
"canonical_major_token": "USDC"
}
}Tags
x402
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