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Token Risk Check
x402
Token Risk Check is a paid API for AI agents from onchaincheck.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-29).
Returns a 0-100 risk score with plain-language reasons, flags, and market data for any ERC-20 or SPL token on Base, Ethereum, Arbitrum, Optimism, Polygon, or Solana.
Price / call$0.01
Success—
StatusUnknown
How this service works
Is this token safe? Rug check for any token on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana: a 0-100 risk score with plain reasons (mint, freeze, blacklist, fee, pause or trading-switch powers, upgradeable code, holder concentration, thin or missing liquidity), the facts behind it, and USD price and liquidity. Each answer includes a fingerprint; sending it back as since returns what changed. Rules-based, not advice.
Output
A JSON object containing: a 0-100 risk score with a level label (low/medium/high) and a plain-English summary; an array of reason objects each with a code, text description, and point contribution; boolean flags for canMint, canBlacklist, canChangeFees, canPause, tradingSwitch, upgradeable, noLiquidPool, thinLiquidity; owner address and ownership-renounced status; proxy/upgradeability details; market data including USD price, paired asset, DEX name, pool address, fee tier, quote-side liquidity USD, fully diluted value, and pools found; native asset price sourced from Chainlink; total supply and decimals; and a watch object with a fingerprint string and a changes field (null on first call, populated on subsequent calls using since).
Example use cases
Pre-buy token due diligence
“Before I buy this token on Ethereum — 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 — can you check if it has any red flags like minting, blacklisting, or pausing powers, and give me the overall risk score?”
Solana memecoin safety check
“I found this Solana token with mint address 7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU — is it a rug pull risk? What's the risk score and does it have thin liquidity?”
Monitor token risk changes over time
“I ran a risk check on this token last week and got a fingerprint back. Can you re-check 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984 on Ethereum using my old fingerprint eyJzIjoxNS… and tell me what, if anything, has changed since then?”
Technical details
Endpoint
GEThttps://onchaincheck.dev/token?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, multi-chain, rules-based safety assessment of a specific token before trading, listing, or integrating it. It uniquely combines smart-contract risk flags (mint, freeze, blacklist, fee, pause, trading-switch, upgradeability) with live market data (price, liquidity, DEX pool) and a change-detection fingerprint in a single call. Prefer it over generic blockchain explorers when you need a structured, machine-readable risk score with plain reasons rather than raw contract data.
Side effects
- Invalid or malformed token address returns a 400-level error
- Token not found on the specified chain returns an error or empty result
- Unrecognized chain enum value is rejected by schema validation
- Thin or absent onchain liquidity results in noLiquidPool or thinLiquidity flags being true, with limited market data
- Bytecode analysis may have false positives or misses for privileged function detection
- Stale fingerprint in since parameter may return no changes if nothing has shifted
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"name": "Degen",
"risk": {
"level": "low",
"score": 15,
"reasons": [
{
"code": "can-pause",
"text": "The owner can pause all transfers.",
"points": 10
},
{
"code": "owner-not-renounced",
"text": "Ownership is not renounced.",
"points": 5
}
],
"summary": "Low risk: the owner can pause all transfers; ownership is not renounced."
},
"asset": {
"known": false
},
"chain": "base",
"flags": {
"canMint": false,
"ownerCanAct": true,
"upgradeable": false,
"canBlacklist": false,
"noLiquidPool": false,
"canChangeFees": false,
"thinLiquidity": false
},
"notes": "Privileged functions are detected from bytecode selectors and may have false positives or misses. Liquidity is the WETH or USDC held by the deepest Uniswap v3 or aerodrome pool found.",
"owner": "0x704Ec5C12Ca20a293C2C0B72B22619A4231f3c0d",
"proxy": {
"upgradeable": false
},
"watch": {
"changes": null,
"fingerprint": "eyJzIjoxNSwiciI6WyJjYW4tcGF1c2UiLCJvd25lci1ub3QtcmVub3VuY2VkIl0sImEiOnsib3duZXIiOiIweDcwNEVjNUMxMkNhMjBhMjkzQzJDMEI3MkIyMjYxOUE0MjMxZjNjMGQiLCJpbXBsZW1lbnRhdGlvbiI6bnVsbCwicHJveHlBZG1pbiI6bnVsbH0sImwi… (240 chars, truncated in this example)"
},
"market": {
"dex": "uniswap-v3",
"pool": "0xc9034c3E7F58003E6ae0C8438e7c8f4598d5ACAA",
"priceUsd": 0.00095954,
"feeTierBps": 30,
"pairedWith": "WETH",
"poolsFound": 10,
"fullyDilutedValueUsd": 34510000,
"quoteSideLiquidityUsd": 133000
},
"symbol": "DEGEN",
"address": "0x4ed4E862860beD51a9570b96d89aF5E1B0Efefed",
"decimals": 18,
"nativeUsd": {
"price": 2402.09,
"source": "Chainlink ETH/USD",
"symbol": "ETH",
"updatedAt": "2026-10-23T06:08:55.000Z"
},
"totalSupply": 35967154646.5,
"ownershipRenounced": false,
"privilegedFunctions": {
"mint": false,
"pause": true,
"setFees": false,
"blacklist": false,
"tradingSwitch": false,
"maxTransaction": false
}
}
}Tags
x402
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