{"id":"c81d9dc2-f771-41b4-9cbb-d21e8603c951","shortId":"WXvxqj","kind":"x402","title":"Pre-transaction security scoring for x402 servers: overall score, risk level, sub-scores, and scam detection for $0.01 USDC.","tagline":"Pre-transaction security scoring for x402 servers: overall score, risk level, sub-scores, and scam detection for $0.01 USDC.","description":"The `get_overall_score` endpoint from x402-secure (by t54 Labs) performs a comprehensive security assessment of a given x402 server URL. It returns an overall trust score (0–100), a risk level classification (low/medium/high/critical/unknown), and four sub-scores covering reachability, webpage quality, social sentiment, and on-chain trust. It also flags whether the target is likely a scam and lists specific scam indicators.\n\nThe endpoint is designed for autonomous agents that need to validate the safety of an x402-enabled service before committing a payment. You POST a JSON body containing the target URL, and the service evaluates it across multiple dimensions. The output includes server name, scoring details, and a last-updated timestamp. If you don't know which URLs to evaluate, the companion `get_available_resources` endpoint can list valid servers.\n\nThe endpoint is live on Base (chain) and costs $0.01 USDC per call via the x402 payment protocol. Payment is made by including a Base64-encoded payment payload in the `X-PAYMENT` header. The maximum timeout is 300 seconds, reflecting that the assessment may involve multiple external checks. x402-secure is open-source and also offers an SDK and proxy for integrating pre-transaction risk assessment into existing x402 workflows.","tags":[],"capabilities":["security-scoring","scam-detection","risk-assessment","x402-server-validation","on-chain-trust-scoring","social-sentiment-analysis","webpage-quality-check","reachability-check","pre-transaction-safety"],"categories":["security","trust-and-safety","crypto"],"synonyms":["x402 security check","server trust score","scam detection API","pre-payment risk assessment","x402 safety validation","on-chain trust score","agent payment safety","x402-secure score"],"warnings":["No OpenAPI spec or dedicated API documentation available — /docs returns 404","Example response is inferred from the outputSchema, not from an actual observed response","The 300-second maxTimeoutSeconds suggests calls may be slow depending on the target being assessed"],"endpointUrl":"https://x402-secure-api.t54.ai/x402/tools/get_overall_score","protocol":"x402","transport":"http","auth":{"type":"x402","details":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0495d60c927B97d67D5018C6AA65C9b2bebaeED9","scheme":"exact","channel":"crypto-base","network":"base","mimeType":"application/json","resource":"https://x402-secure-api.t54.ai/x402/tools/get_overall_score","description":"Get comprehensive x402 server security assessment with overall score (0-100), risk level, sub-scores (API health, webpage, social, onchain), and scam indicators. Ideal for pre-transaction safety validation. Price: $0.01 USDC","outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"url":{"type":"string","required":true,"description":"The resource URL to evaluate (e.g., https://mesh.heurist.xyz). If unsure what to input, first call get_available_resources to discover valid servers."}},"headerFields":{"X-PAYMENT":{"type":"string","required":false,"description":"Base64-encoded JSON PaymentPayload; automatically filled by x402scan"}}},"output":{"url":"string","is_scam":"boolean","risk_level":{"enum":["low","medium","high","critical","unknown"],"type":"string"},"sub_scores":{"type":"object","properties":{"reachability":"number|null","onchain_trust":"number|null","webpage_quality":"number|null","social_sentiment":"number|null"}},"server_name":"string","last_updated":"string|null","overall_score":"number|null","scam_indicators":"array","scoring_details":"object|null"}},"maxAmountRequired":"10000","maxTimeoutSeconds":300}]},"qualityScore":"0.720","qualityRationale":"The endpoint is live (402 challenge captured) with a well-defined outputSchema including input and output fields. However, there are no formal OpenAPI docs, no dedicated documentation page (all /docs, /api, /pricing return 404), and the example response is inferred from the schema rather than observed. Pricing is clear from the 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'0.01':20,41,191 '100':73 '300':221 'across':147 'agent':116 'agent payment safety' 'also':96,240 'assess':59,226,252 'autonom':115 'avail':175 'base':187 'base64':207 'base64-encoded':206 'bodi':137 'call':194 'chain':93,188 'check':231 'classif':77 'commit':130 'companion':173 'comprehens':57 'contain':138 'cost':190 'cover':84 'design':113 'detail':156 'detect':18,39 'dimens':149 'enabl':127 'encod':208 'endpoint':47,111,177,183 'evalu':145,171 'exist':254 'extern':230 'flag':97 'four':80 'get':44,174 'given':62 'header':216 'includ':152,204 'indic':109 'integr':247 'involv':228 'json':136 'know':167 'lab':54 'last':160 'last-upd':159 'level':12,33,76 'like':102 'list':106,179 'live':185 'low/medium/high/critical/unknown':78 'made':202 'maximum':218 'may':227 'multipl':148,229 'name':154 'need':118 'offer':241 'on-chain':91 'on-chain trust score' 'on-chain-trust-scoring' 'open':237 'open-sourc':236 'output':151 'overal':9,30,45,69 'payload':210 'payment':132,198,200,209,215 'per':193 'perform':55 'post':134 'pre':2,23,249 'pre-payment risk assessment' 'pre-transact':1,22,248 'pre-transaction-safety' 'protocol':199 'proxi':245 'qualiti':87 'reachability-check' 'reachabl':85 'reflect':223 'resourc':176 'return':67 'risk':11,32,75,251 'risk-assessment' 'safeti':122 'scam':17,38,104,108 'scam detection API' 'scam-detection' 'score':5,10,15,26,31,36,46,71,83,155 'sdk':243 'second':222 'secur':4,25,51,58,234 'security-scoring' 'sentiment':89 'server':8,29,64,153,181 'server trust score' 'servic':128,144 'social':88 'social-sentiment-analysis' 'sourc':238 'specif':107 'sub':14,35,82 'sub-scor':13,34,81 't54':53 'target':100,140 'timeout':219 'timestamp':162 'transact':3,24,250 'trust':70,94 'updat':161 'url':65,141,169 'usdc':21,42,192 'valid':120,180 'via':195 'webpag':86 'webpage-quality-check' 'whether':98 'workflow':256 'x':214 'x-payment':213 'x402':7,28,50,63,126,197,233,255 'x402 safety validation' 'x402 security check' 'x402-enabled':125 'x402-secure':49,232 'x402-secure score' 'x402-server-validation'","prices":[{"id":"5f9402b2-f7d7-476e-8ede-4cc05955e474","listingId":"c81d9dc2-f771-41b4-9cbb-d21e8603c951","amountUsd":null,"unit":"per_call","nativeCurrency":"USD COIN","nativeAmount":"10000","chain":"base","payTo":"0x0495d60c927B97d67D5018C6AA65C9b2bebaeED9","paymentMethod":"x402-usd coin","isPrimary":true,"details":{"scheme":"exact","mime_type":"application/json","accepts_all":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x0495d60c927B97d67D5018C6AA65C9b2bebaeED9","scheme":"exact","channel":"crypto-base","network":"base","mimeType":"application/json","resource":"https://x402-secure-api.t54.ai/x402/tools/get_overall_score","description":"Get comprehensive x402 server security assessment with overall score (0-100), risk level, sub-scores (API health, webpage, social, onchain), and scam indicators. Ideal for pre-transaction safety validation. Price: $0.01 USDC","outputSchema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"url":{"type":"string","required":true,"description":"The resource URL to evaluate (e.g., https://mesh.heurist.xyz). If unsure what to input, first call get_available_resources to discover valid servers."}},"headerFields":{"X-PAYMENT":{"type":"string","required":false,"description":"Base64-encoded JSON PaymentPayload; automatically filled by x402scan"}}},"output":{"url":"string","is_scam":"boolean","risk_level":{"enum":["low","medium","high","critical","unknown"],"type":"string"},"sub_scores":{"type":"object","properties":{"reachability":"number|null","onchain_trust":"number|null","webpage_quality":"number|null","social_sentiment":"number|null"}},"server_name":"string","last_updated":"string|null","overall_score":"number|null","scam_indicators":"array","scoring_details":"object|null"}},"maxAmountRequired":"10000","maxTimeoutSeconds":300}],"asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","max_timeout_seconds":300},"createdAt":"2026-04-18T18:31:38.222Z"}],"sources":[{"listingId":"c81d9dc2-f771-41b4-9cbb-d21e8603c951","source":"x402_bazaar","sourceId":"https://x402-secure-api.t54.ai/x402/tools/get_overall_score","sourceUrl":"https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources","isPrimary":true,"firstSeenAt":"2026-04-18T18:31:38.222Z","lastSeenAt":"2026-04-22T09:00:22.730Z"}],"details":{"listingId":"c81d9dc2-f771-41b4-9cbb-d21e8603c951","quickStartSnippet":"curl -X POST https://x402-secure-api.t54.ai/x402/tools/get_overall_score \\\n  -H \"Content-Type: application/json\" \\\n  -H \"X-PAYMENT: <base64-encoded-payment-payload>\" \\\n  -d '{\"url\": \"https://mesh.heurist.xyz\"}'","exampleRequest":{"url":"https://mesh.heurist.xyz"},"exampleResponse":{"url":"https://mesh.heurist.xyz","is_scam":false,"risk_level":"low","sub_scores":{"reachability":95,"onchain_trust":80,"webpage_quality":72,"social_sentiment":68},"server_name":"Heurist Mesh","last_updated":"2025-01-15T12:00:00Z","overall_score":78,"scam_indicators":[],"scoring_details":null},"schema":{"input":{"type":"http","method":"POST","bodyType":"json","bodyFields":{"url":{"type":"string","required":true,"description":"The resource URL to evaluate (e.g., https://mesh.heurist.xyz). If unsure what to input, first call get_available_resources to discover valid servers."}},"headerFields":{"X-PAYMENT":{"type":"string","required":false,"description":"Base64-encoded JSON PaymentPayload; automatically filled by x402scan"}}},"output":{"url":"string","is_scam":"boolean","risk_level":{"enum":["low","medium","high","critical","unknown"],"type":"string"},"sub_scores":{"type":"object","properties":{"reachability":"number|null","onchain_trust":"number|null","webpage_quality":"number|null","social_sentiment":"number|null"}},"server_name":"string","last_updated":"string|null","overall_score":"number|null","scam_indicators":"array","scoring_details":"object|null"}},"openapiUrl":null,"agentsTxtUrl":null,"citations":[{"claim":"Endpoint returns 402 with x402 challenge on POST, confirming it is live","source_url":"https://x402-secure-api.t54.ai/x402/tools/get_overall_score"},{"claim":"Price is $0.01 USDC (maxAmountRequired: 10000 = 0.01 USDC with 6 decimals) on Base network","source_url":"https://x402-secure-api.t54.ai/x402/tools/get_overall_score"},{"claim":"x402-secure is an open-source SDK and proxy by t54 Labs that adds a security layer to x402","source_url":"https://x402-secure-api.t54.ai"},{"claim":"x402-secure supports Base and Solana chains","source_url":"https://x402-secure-api.t54.ai"},{"claim":"The outputSchema defines sub_scores with reachability, webpage_quality, social_sentiment, and onchain_trust fields","source_url":"https://x402-secure-api.t54.ai/x402/tools/get_overall_score"}],"useCases":["Autonomous agents validating an x402 endpoint's trustworthiness before making a payment","Wallets or dashboards displaying risk scores for x402 services","Automated pipelines filtering out high-risk or scam x402 servers","Agent frameworks implementing pre-transaction safety gates"],"bestFor":["AI agents making autonomous x402 payments that need pre-transaction safety checks","Developers building agent payment workflows who want scam detection","Platforms aggregating x402 services and needing trust/risk metadata"],"notFor":["General-purpose website security scanning unrelated to x402","Real-time transaction monitoring or post-payment fraud detection","Endpoints or services not registered in the x402 ecosystem"],"kindDetails":{"x402_version":1,"resource_type":"http","bazaar_last_updated":"2026-02-17T23:15:06Z"},"updatedAt":"2026-04-22T09:00:22.730Z"}}