{"id":"a4eccbbb-671a-47c4-81d7-f33498c471a5","shortId":"kWPhnA","kind":"x402","title":"Scan deployed smart contracts for vulnerabilities via Cybercentry for $0.02 per call.","tagline":"Scan deployed smart contracts for vulnerabilities via Cybercentry for $0.02 per call.","description":"This x402-enabled endpoint lets AI agents and developers pay $0.02 (in USDC on Base) per request to scan a deployed, verified Solidity smart contract using the Cybercentry security analysis engine. The caller provides a chain identifier and contract address as query parameters, and the service returns a structured risk assessment including an overall risk rating, total vulnerability count, and a severity breakdown (High, Medium, Low, Informational).\n\nSupported chains include Ethereum mainnet, Base, Polygon (poly), Arbitrum (arbi), Optimism, Avalanche (avax), BSC, Gnosis, zkEVM, and Blast. The endpoint accepts POST requests with an x402 payment header; the payment settles in USDC (contract 0x8335…2913) on the Base L2 network using the \"exact\" payment scheme. The maximum timeout for a scan is 300 seconds (5 minutes), reflecting that on-chain contract analysis can take non-trivial time.\n\nThe response includes a job_id for tracking, the chain scanned, an overall_risk string, a status field, the total vulnerabilities_count, and a severity_breakdown object. No OpenAPI spec or extended documentation is available beyond the landing page and the x402 challenge metadata, but the input/output schema embedded in the challenge is well-defined and sufficient for integration.","tags":[],"capabilities":["smart-contract-audit","solidity-vulnerability-scan","multi-chain-support","x402-payment","severity-breakdown","risk-assessment"],"categories":["security","blockchain"],"synonyms":["smart contract scanner","solidity audit","contract vulnerability check","on-chain security scan","Cybercentry","smart contract risk assessment","blockchain code verification","EVM contract audit"],"warnings":["No OpenAPI or extended API documentation available; /docs returns 404","Example response is inferred from the outputSchema, not from an actual observed response","Landing page says GET but the x402 challenge was captured via POST — callers should use POST with x402 payment header","Contract verification status (whether source must be verified on-chain) is not explicitly documented"],"endpointUrl":"https://x402-cybercentry-solidity-code-verification.up.railway.app/verify","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xfEE13309251B632317ea2d475d6ABa7E7E0219e6","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://cybercentry-solidity-code-verification.up.railway.app/verify/verify-onchain","description":"Scan a deployed smart contract using Cybercentry. Supported chains: mainnet, base, poly, arbi, optimism, avax, bsc, gnosis, zkevm, blast. Returns job_id, overall_risk, status. $0.02 per scan","outputSchema":{"input":{"type":"http","method":"GET","queryParams":{"chain":{"enum":["mainnet","base","poly","arbi","optimism","avax","bsc","gnosis","zkevm","blast"],"type":"string","required":true,"description":"Blockchain network (e.g. base, mainnet, poly, ...)"},"contract_address":{"type":"string","required":true,"description":"Contract address starting with 0x..."}},"discoverable":true},"output":{"type":"object","properties":{"chain":{"type":"string"},"job_id":{"type":"string"},"status":{"type":"string"},"overall_risk":{"type":"string"},"severity_breakdown":{"type":"object","properties":{"Low":{"type":"number"},"High":{"type":"number"},"Medium":{"type":"number"},"Informational":{"type":"number"}}},"vulnerabilities_count":{"type":"number"}}}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}]},"qualityScore":"0.720","qualityRationale":"The endpoint is live (402 challenge captured), has a well-defined input/output schema embedded in the x402 challenge, clear pricing ($0.02 USDC on Base), and supports 10 chains. However, there is no OpenAPI spec, no extended documentation, and the example response is inferred from the output schema rather than observed. The landing page and challenge metadata are consistent and sufficient for 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'0x8335':127 '2913':128 '300':146 '5':148 'Cybercentry' 'EVM contract audit' 'accept':113 'address':65 'agent':32 'ai':31 'analysi':55,156 'arbi':102 'arbitrum':101 'assess':76 'avail':197 'avalanch':104 'avax':105 'base':40,98,131 'beyond':198 'blast':110 'blockchain code verification' 'breakdown':88,188 'bsc':106 'call':12,24 'caller':58 'chain':61,94,154,172 'challeng':205,214 'contract':4,16,50,64,126,155 'contract vulnerability check' 'count':84,184 'cybercentri':8,20,53 'defin':218 'deploy':2,14,46 'develop':34 'document':195 'embed':211 'enabl':28 'endpoint':29,112 'engin':56 'ethereum':96 'exact':136 'extend':194 'field':180 'gnosi':107 'header':120 'high':89 'id':168 'identifi':62 'includ':77,95,165 'inform':92 'input/output':209 'integr':222 'job':167 'l2':132 'land':200 'let':30 'low':91 'mainnet':97 'maximum':140 'medium':90 'metadata':206 'minut':149 'multi-chain-support' 'network':133 'non':160 'non-trivi':159 'object':189 'on-chain':152 'on-chain security scan' 'openapi':191 'optim':103 'overal':79,175 'page':201 'paramet':68 'pay':35 'payment':119,122,137 'per':11,23,41 'poli':100 'polygon':99 'post':114 'provid':59 'queri':67 'rate':81 'reflect':150 'request':42,115 'respons':164 'return':72 'risk':75,80,176 'risk-assessment' 'scan':1,13,44,144,173 'schema':210 'scheme':138 'second':147 'secur':54 'servic':71 'settl':123 'sever':87,187 'severity-breakdown' 'smart':3,15,49 'smart contract risk assessment' 'smart contract scanner' 'smart-contract-audit' 'solid':48 'solidity audit' 'solidity-vulnerability-scan' 'spec':192 'status':179 'string':177 'structur':74 'suffici':220 'support':93 'take':158 'time':162 'timeout':141 'total':82,182 'track':170 'trivial':161 'usdc':38,125 'use':51,134 'verifi':47 'via':7,19 'vulner':6,18,83,183 'well':217 'well-defin':216 'x402':27,118,204 'x402-enabled':26 'x402-payment' 'zkevm':108","prices":[{"id":"065e9432-915e-4591-b365-e9d806db7b1e","listingId":"a4eccbbb-671a-47c4-81d7-f33498c471a5","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"20000","chain":"base","payTo":"0xfEE13309251B632317ea2d475d6ABa7E7E0219e6","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xfEE13309251B632317ea2d475d6ABa7E7E0219e6","scheme":"exact","network":"base","mimeType":"application/json","resource":"https://cybercentry-solidity-code-verification.up.railway.app/verify/verify-onchain","description":"Scan a deployed smart contract using Cybercentry. Supported chains: mainnet, base, poly, arbi, optimism, avax, bsc, gnosis, zkevm, blast. Returns job_id, overall_risk, status. $0.02 per scan","outputSchema":{"input":{"type":"http","method":"GET","queryParams":{"chain":{"enum":["mainnet","base","poly","arbi","optimism","avax","bsc","gnosis","zkevm","blast"],"type":"string","required":true,"description":"Blockchain network (e.g. base, mainnet, poly, ...)"},"contract_address":{"type":"string","required":true,"description":"Contract address starting with 0x..."}},"discoverable":true},"output":{"type":"object","properties":{"chain":{"type":"string"},"job_id":{"type":"string"},"status":{"type":"string"},"overall_risk":{"type":"string"},"severity_breakdown":{"type":"object","properties":{"Low":{"type":"number"},"High":{"type":"number"},"Medium":{"type":"number"},"Informational":{"type":"number"}}},"vulnerabilities_count":{"type":"number"}}}},"maxAmountRequired":"20000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-21T18:32:29.242Z"}],"sources":[{"listingId":"a4eccbbb-671a-47c4-81d7-f33498c471a5","source":"x402_bazaar","sourceId":"https://x402-cybercentry-solidity-code-verification.up.railway.app/verify","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-21T18:32:29.242Z","lastSeenAt":"2026-04-22T09:02:22.486Z"}],"details":{"listingId":"a4eccbbb-671a-47c4-81d7-f33498c471a5","quickStartSnippet":"curl -X POST \"https://x402-cybercentry-solidity-code-verification.up.railway.app/verify?chain=base&contract_address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913\" \\\n  -H \"X-PAYMENT: <x402_payment_header>\" \\\n  -H \"Content-Type: application/json\"","exampleRequest":{"url":"https://x402-cybercentry-solidity-code-verification.up.railway.app/verify?chain=base&contract_address=0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","method":"POST","headers":{"X-PAYMENT":"<x402_payment_header>","Content-Type":"application/json"}},"exampleResponse":{"chain":"base","job_id":"abc123-def456","status":"completed","overall_risk":"Medium","severity_breakdown":{"Low":1,"High":0,"Medium":2,"Informational":0},"vulnerabilities_count":3},"schema":{"input":{"type":"http","method":"GET","queryParams":{"chain":{"enum":["mainnet","base","poly","arbi","optimism","avax","bsc","gnosis","zkevm","blast"],"type":"string","required":true,"description":"Blockchain network (e.g. base, mainnet, poly, ...)"},"contract_address":{"type":"string","required":true,"description":"Contract address starting with 0x..."}},"discoverable":true},"output":{"type":"object","properties":{"chain":{"type":"string"},"job_id":{"type":"string"},"status":{"type":"string"},"overall_risk":{"type":"string"},"severity_breakdown":{"type":"object","properties":{"Low":{"type":"number"},"High":{"type":"number"},"Medium":{"type":"number"},"Informational":{"type":"number"}}},"vulnerabilities_count":{"type":"number"}}}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint is live and returns a 402 x402 challenge on POST","source_url":"https://x402-cybercentry-solidity-code-verification.up.railway.app/verify"},{"claim":"Price is 20000 base units of USDC (6 decimals) = $0.02 per scan on Base network","source_url":"https://x402-cybercentry-solidity-code-verification.up.railway.app/verify"},{"claim":"Supported chains: mainnet, base, poly, arbi, optimism, avax, bsc, gnosis, zkevm, blast","source_url":"https://x402-cybercentry-solidity-code-verification.up.railway.app"},{"claim":"Response includes job_id, overall_risk, status, chain, vulnerabilities_count, and severity_breakdown","source_url":"https://x402-cybercentry-solidity-code-verification.up.railway.app/verify"},{"claim":"Maximum timeout for a scan is 300 seconds","source_url":"https://x402-cybercentry-solidity-code-verification.up.railway.app/verify"}],"useCases":["Automated pre-deployment or post-deployment security scanning of Solidity contracts","Agent-driven portfolio risk assessment by scanning contracts before interacting with DeFi protocols","Continuous monitoring of deployed contracts across multiple EVM chains for new vulnerabilities","Integrating contract security checks into CI/CD pipelines for smart contract development"],"bestFor":["AI agents that need programmatic, pay-per-use smart contract security analysis","Developers wanting quick vulnerability scans across 10 EVM-compatible chains","Automated workflows that need structured severity breakdowns for risk scoring"],"notFor":["Auditing non-Solidity or non-EVM contracts (e.g., Solana, Move-based chains)","Full manual audit reports with remediation guidance","Scanning unverified (closed-source) contracts where source code is not available on-chain"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:12:56.39Z"},"updatedAt":"2026-04-22T09:02:22.486Z"}}