Tool detail

VAPE

Checks a Base contract/token for verification status and proxy-swap (upgradeable proxy) surface risk, from on-chain and market data.

Categories: Crypto risk, Security

Use when

check whether a Base contract is verified before interacting with it
screen a token for proxy-swap / upgradeable-contract risk

Not for

not a full audit -- one exploit-surface check among VAPE's separate scan endpoints
not for chains other than Base by default

Inputs

GET query params: address (string, required -- Base contract/token address), chain (string, optional, default 8453).

Admitted input schema

{
  "type": "object",
  "properties": {
    "address": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Base (chain 8453) contract/token address to analyze"
    },
    "chain": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "optional chain id override, defaults to 8453"
    }
  },
  "required": [
    "address"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://vape-x402.vapex402.workers.dev/scan/exploit_check

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://vape-x402.vapex402.workers.dev/scan/exploit_check
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z