agentutility(7)$ man backdoor-check
/backdoor-check
PRICE / CALL
$0.10
USDC · base mainnet · scheme: exact
METHOD
POST
CLUSTER
edgemarketCATEGORY
uncategorized
STATUS
● live
NAME
backdoor-check — scans an evm token contract for backdoor risk using goplus ownership and code flags plus honeypot buy and sell simulation
synonym alias of token-risk-score — reuses the canonical handler.
SYNOPSIS
POST https://x402.agentutility.ai/backdoor-check
Content-Type: application/json
X-PAYMENT: <signed-transferWithAuthorization>
{ ... }↳ first call →
402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.DESCRIPTION
Scans an EVM token contract for backdoor risk using GoPlus ownership and code flags plus honeypot buy and sell simulation. Reports hidden owner, mintable supply, proxy upgrades, blacklist controls, taxes, holder concentration, and a 0-100 risk score. Use it as a contract backdoor check API, hidden-owner scan, mintability check, or sell-blocking token screen.
INPUT — request schema
| property | type | description | req? |
|---|---|---|---|
| token_address | string | 0x-prefixed 20-byte EVM token contract address. | required |
| chain | string | EVM chain. Default 'base'. enum: base · ethereum · bsc | optional |
OUTPUT — response shape
| field | type | description |
|---|---|---|
| token | string | — |
| chain | string | — |
| score | string | — |
| verdict | string | — |
| subscores | string | — |
| warnings | string | — |
| data_sources | string | — |
| source | string | — |
EXAMPLES — two ways to call
EXAMPLE 1 · curl
curl -X POST https://x402.agentutility.ai/backdoor-check \
-H 'Content-Type: application/json' \
-d '{ }'first response =
402 Payment Required with payment requirements; sign + retry with X-PAYMENT.EXAMPLE 2 · mcp
# Install the MCP package for this endpoint's cluster npx -y @agentutility/mcp-<cluster> # Required: EVM private key with USDC on Base export X402_PRIVATE_KEY=0x... # Then call the backdoor-check tool from your MCP-aware agent.
MCP server handles payment automatically — your coding agent just calls the tool by name.
METADATA
- tags
- edge-marketbackdoorcheckbackdoor-check
- methods
- POST
- cluster
- edgemarket
- price
- $0.10 USDC per call
ADJACENT — other endpoints in edgemarket
| endpoint | description | price |
|---|---|---|
| token-risk | Composite token risk score: 0-100 built from honeypot.is, GoPlus Security, and Etherscan contract age. | $0.10 |
| token-risk-score | Composite 0-100 security score for any EVM token, built from three independent signals pulled in parallel. | $0.10 |
| token-security | Checks token security by scoring an EVM token with honeypot simulation, GoPlus holder and ownership signals, and Etherscan contract age. | $0.10 |
| holder-hands | Sampled NFT holder analysis for ERC-721 and ERC-1155 collections on Ethereum, Base, Ink, and Robinhood Chain. | $0.05 |
| honeypot-check | Honeypot.is buy/sell simulation for any Base or Ethereum ERC-20. | $0.05 |
| mint-momentum | Tracks NFT mint momentum on Robinhood Chain and Ink through a bounded scan or one-collection score. | $0.05 |
| mint-scout | Robinhood Chain and Ink NFT mint scanner with two bounded modes: sample holder-sorted ERC-721 listings filtered from 3 through max_holder… | $0.05 |
| nft-flip | Shows whether an NFT collection is being flipped or held by sampling holders and recent transfers on Ethereum, Base, Ink, or Robinhood Chain. | $0.05 |
SEE ALSO