{"name":"backdoor-check","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.","price":"$0.10","method":"POST","input_schema":{"properties":{"token_address":{"type":"string","description":"0x-prefixed 20-byte EVM token contract address."},"chain":{"type":"string","enum":["base","ethereum","bsc"],"description":"EVM chain. Default 'base'."}},"required":["token_address"]},"input_example":{"token_address":"0x4200000000000000000000000000000000000006","chain":"base"},"output_example":{"token":{"address":"0x4200000000000000000000000000000000000006","name":"Wrapped Ether","symbol":"WETH","decimals":18},"chain":"base","score":95,"verdict":"safe","subscores":{"honeypot":25,"taxes":20,"holder_concentration":20,"liquidity":15,"contract_age":10,"ownership":5},"warnings":[],"data_sources":["honeypot.is","goplus","etherscan"],"source":"composite"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}