{"uid":"cap_Gntm84asNmvaVx4MQksFP","slug":"x402-policy-trust-score-api-aa62948a","name":"x402-policy Trust Score API","description":"AI agent spending policy via x402 v2 micropayments on Base Mainnet.","url":"https://x402-api-seven.vercel.app/v1/trust-score?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object"},"responseSchema":{"type":"json","format":null,"example":{"agent_id":"0xabc123","per_chain":{"base":{"score":0.92},"ethereum":{"score":0.87}},"trust_score":0.87,"chains_found":4}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZqEtSfnMBZGDTSNpoPfHa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a trust score for an AI agent based on its on-chain spending history across multiple blockchain networks, used for spending policy decisions.","exampleAgentPrompt":"What's the x402 trust score for agent 0xabc123? I want to know how trustworthy it is across Base and Ethereum before approving its spending policy.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the agent's overall trust_score (0–1 float), per-chain scores broken out by network (e.g. base, ethereum), and the number of chains_found where the agent has activity.","failureModes":["Invalid or malformed agent_id returns an error or empty result","Agent address with no on-chain history may return a zero or null trust score","Network errors or Vercel cold-start latency may cause timeouts","Payment failure via x402 ($0.001 USDC) results in 402 Payment Required response","Unsupported chain IDs not reflected in per_chain breakdown"],"whenToPreferThis":"Use this endpoint when you need to programmatically assess the on-chain reputation of an AI agent wallet before authorizing spending, enforcing a micropayment policy, or granting elevated trust. Prefer this over manual blockchain lookups when you need a normalized, multi-chain trust score in a single call within an x402-enabled payment flow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:33:25.941Z","isFirstParty":false,"canonicalSlug":"x402-policy-trust-score-api-aa62948a"}