# Base Token Risk Scorer

> Base Token Risk Scorer is a paid API for AI agents from api.gptshopltd.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-19).

Returns a risk score, verdict, security flags, and liquidity data for an ERC-20 token contract on Base mainnet.

## Facts

- Endpoint: GET https://api.gptshopltd.com/v1/base/token-risk?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/base-token-risk-scorer-bb9ded0a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_7jtzPcXDl63QJrBxNKIzs

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 base-token-risk-scorer-bb9ded0a
```

Example prompt: Can you check if the token at 0x8335...2913 on Base is safe to trade — is it a honeypot, does it have a sell tax, and how much liquidity does it have?

## When to prefer this

Use this endpoint when an AI agent needs to quickly assess the safety of an ERC-20 token on Base mainnet before executing a swap, adding to a portfolio, or recommending a token to a user. It is particularly valuable for catching honeypots and high sell-tax traps, and for verifying GoPlus trust-list status without needing an API key or account setup.

## Known failure modes

- Invalid or non-ERC-20 contract address returns an error or empty result
- Contract not yet indexed returns incomplete data
- Non-Base-mainnet addresses are not supported
- Rate limiting or payment failure returns 402

## How this service works

Pay-per-call tools for AI agents. USDC on Base or Solana via x402 v2; no keys, no accounts.

## Output

A JSON object containing the chain, contract address, a summary with a numeric risk score (0 = low risk), a human-readable verdict (e.g. 'Low risk'), an array of findings with text and severity level, security fields (symbol, sell tax percentage, honeypot boolean), and total liquidity in USD.

## 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": [
      "address"
     ],
     "properties": {
      "address": {
       "type": "string",
       "description": "ERC-20 contract address on Base mainnet (0x...)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "chain": "base",
  "address": "0x8335...2913",
  "summary": {
   "score": 0,
   "verdict": "Low risk",
   "findings": [
    {
     "text": "Token is on GoPlus trust list.",
     "level": "ok"
    }
   ]
  },
  "security": {
   "symbol": "USDC",
   "sellTax": 0,
   "isHoneypot": false
  },
  "liquidity": {
   "totalLiquidityUsd": 47586896
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/base-token-risk-scorer-bb9ded0a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.gptshopltd.com](https://www.zero.xyz/host/api.gptshopltd.com/llms.txt)