# ChainK9 Token Risk Scanner

> ChainK9 Token Risk Scanner is a paid API for AI agents from api.chaink9.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-28).

Performs a sandboxed buy-and-sell simulation of a token on BNB Smart Chain, Ethereum, or Base to detect honeypots, hidden taxes, and owner-control risks before trading.

## Facts

- Endpoint: GET https://api.chaink9.com/scan?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-28
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/chaink9-token-risk-scanner-6a81f0cb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_j9qjMI_iwcp20LO_GedrA

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability chaink9-token-risk-scanner-6a81f0cb
```

Example prompt: Before I buy, can you run a ChainK9 sandbox scan on token 0x0e09fabb73bd3ade0a17ecc321fd13a19e81ce82 on BSC to check if it's a honeypot or has hidden sell taxes?

## When to prefer this

Choose ChainK9 over static code-analysis token checkers (e.g. Token Sniffer, GoPlus) when you need behavioral proof that a token can actually be sold — not just a code pattern match. It is especially valuable for catching honeypots that have clean-looking code but block sells at runtime. Use it in automated trading pipelines or AI agent workflows where a $0.02 per-call safety gate is acceptable cost to avoid catastrophic trade loss. Prefer the fresh=true flag when comparing risk over time or when a token contract may have been recently updated.

## Known failure modes

- Invalid token address format (must match 0x + 40 hex chars) returns validation error
- Token has no liquidity pool on the specified chain — scan cannot simulate a trade
- Unsupported chain value returns enum validation error
- Sandbox fork or simulation timeout may cause extended latency or failure
- Payment failure via x402 protocol results in 402 response before scan runs
- Cached result may be stale if token contract has been modified since last scan

## How this service works

Token risk checks for BNB Smart Chain, Ethereum and Base, for AI agents and trading bots. ChainK9 forks the chain and really buys and sells a token in a sandbox before you do, so a honeypot is caught by what it does, not by what its code looks like.

## Output

A JSON object containing: overall verdict (e.g. 'pass', 'caution', 'fail'), risk tier, token and pair addresses, chain and block number, pool version, whether the result was cached, scan timestamp, elapsed milliseconds, and a results array where each item has a module name, category, severity, status (pass/warn/fail), and human-readable detail explaining what was found (e.g. sell succeeded, sell tax shortfall percentage, hidden mint warnings).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "token"
     ],
     "properties": {
      "chain": {
       "enum": [
        "bsc",
        "eth",
        "base",
        "arc"
       ],
       "type": "string",
       "description": "bsc (BNB Smart Chain, the default), eth (Ethereum) or base (Base)"
      },
      "fresh": {
       "enum": [
        "false",
        "true"
       ],
       "type": "string",
       "description": "Set true to request a new scan for a later risk comparison; default false reuses the cache"
      },
      "token": {
       "type": "string",
       "pattern": "^0x[0-9a-fA-F]{40}$",
       "description": "Token address on the chosen chain"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "properties": {
      "pair": {
       "type": "string"
      },
      "tier": {
       "type": "string"
      },
      "block": {
       "type": "integer"
      },
      "chain": {
       "type": "string"
      },
      "proxy": {
       "type": "boolean"
      },
      "token": {
       "type": "string"
      },
      "cached": {
       "type": "boolean"
      },
      "results": {
       "type": "array",
       "items": {
        "type": "object",
        "properties": {
         "detail": {
          "type": "string"
         },
         "module": {
          "type": "string"
         },
         "status": {
          "type": "string"
         },
         "category": {
          "type": "string"
         },
         "severity": {
          "type": "string"
         }
        }
       }
      },
      "verdict": {
       "type": "string"
      },
      "elapsed_ms": {
       "type": "integer"
      },
      "scanned_at": {
       "type": "string"
      },
      "pool_version": {
       "type": "string"
      }
     }
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "pair": "0x0ed7e52944161450477ee417de9cd3a859b14fd0",
  "block": 128151663,
  "chain": "bsc",
  "proxy": false,
  "token": "0x0e09fabb73bd3ade0a17ecc321fd13a19e81ce82",
  "cached": false,
  "results": [
   {
    "detail": "sell succeeded — the position is exitable",
    "module": "sellability",
    "status": "pass",
    "category": "Sellability",
    "severity": "critical"
   },
   {
    "detail": "sell output shortfall versus pre-trade router quote: 0.00%",
    "module": "sell_tax",
    "status": "pass",
    "category": "Taxation",
    "severity": "critical"
   },
   {
    "detail": "impersonated owner mint(address,uint256) executed; the owner is a contract, so issuance follows its code, which was not audited",
    "module": "hidden_mint",
    "status": "warn",
    "category": "Owner control",
    "severity": "high"
   }
  ],
  "verdict": "caution",
  "elapsed_ms": 22555,
  "scanned_at": "2026-10-17T10:11:31Z",
  "pool_version": "v2"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/chaink9-token-risk-scanner-6a81f0cb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.chaink9.com](https://www.zero.xyz/host/api.chaink9.com/llms.txt)