{"uid":"cap_KApXPTqGj7JAn6O4ZUbwr","slug":"halowerk-onchain-collateral-attestation-7515b559","name":"Halowerk Onchain Collateral Attestation","description":"Onchain Collateral Attestation analyses only the evidence supplied by the caller. It does not claim to query a chain, identify a legal status or replace an independent audit. Missing signals lower confidence and are listed explicitly; every classification includes the exact thresholds used.","url":"https://stable.halowerk.com/v1/onchain-collateral-attestation?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"strict":{"type":"boolean","default":false,"description":"Reject unless all documented metrics are supplied."},"context":{"type":"object","description":"Optional non-secret labels returned unchanged for correlation.","maxProperties":20,"additionalProperties":{"type":["string","number","boolean","null"]}},"subject":{"type":"string","maxLength":256,"minLength":1,"description":"Address, transaction, protocol, asset, proposal or other subject being assessed."},"evidence":{"type":"array","items":{"type":"object","required":["metric","value"],"properties":{"note":{"type":"string","maxLength":500},"value":{"type":["number","boolean"]},"metric":{"enum":["collateral_gap_pct","proof_age_hours","issuer_mismatch"],"type":"string"},"source":{"type":"string","maxLength":300,"minLength":1,"description":"Evidence source or query identifier."},"timestamp":{"type":"string","maxLength":40,"minLength":10,"description":"ISO-8601 observation time."}},"additionalProperties":false},"maxItems":50,"minItems":1,"description":"Caller-supplied observations. Repeated metrics form a time series; the newest timestamp is assessed."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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_SjfunLk-XepHt2vT4kiEd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes caller-supplied evidence metrics to produce a confidence-scored attestation of onchain collateral adequacy, explicitly listing missing signals and classification thresholds.","exampleAgentPrompt":"Can you run a collateral attestation on the address 0xA0b8...1234 using the evidence I have — collateral gap is 3.2%, proof is 18 hours old, and there's no issuer mismatch — and tell me the confidence score and any missing signals?","exampleUseCases":[{"title":"Stablecoin backing check before deployment","prompt":"I'm about to deploy liquidity into a stablecoin protocol at 0xDeadBeef...5678. I have evidence that the collateral gap is 1.8%, the proof is 6 hours old, and there's no issuer mismatch. Can you run a collateral attestation and tell me the confidence score and whether any required signals are missing?"},{"title":"DAO governance collateral proposal review","prompt":"Our DAO has a proposal to add a new collateral asset — the subject is 'USDY-proposal-42'. I have a collateral gap of 0.5%, proof age of 48 hours, and issuer mismatch is true. Run a strict-mode collateral attestation and list any missing signals and the exact thresholds used for the classification."},{"title":"Stale proof risk flagging for lending protocol","prompt":"I want to check whether the collateral evidence for lending protocol 0xLend...9900 is still valid — the proof is 72 hours old, collateral gap is 4.5%, and there's no issuer mismatch. Give me an attestation with confidence score and flag if the proof age is over the acceptable threshold."}],"resultDescription":"Returns a confidence-scored collateral attestation classification for the supplied subject, including the exact thresholds applied to each metric, a list of any missing or omitted signals that reduced confidence, and the classification verdict — without making any independent onchain queries.","failureModes":["minItems violation: evidence array is empty — request rejected","strict mode enabled but one or more documented metrics absent — request rejected with list of missing fields","metric value out of expected range — may lower confidence or trigger explicit warning","subject field missing or empty — validation error","evidence array exceeds 50 items — request rejected","malformed ISO-8601 timestamp — field rejected or ignored"],"whenToPreferThis":"Choose this endpoint when you need a structured, auditable, confidence-scored attestation of collateral adequacy based on evidence you already hold — particularly when you need explicit threshold disclosure and missing-signal reporting for compliance, governance, or risk documentation purposes. It is not a live onchain query tool; prefer it when your agent has already gathered collateral metrics and needs a formal classification layer with traceable thresholds.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T12:32:07.787Z","isFirstParty":false,"canonicalSlug":"halowerk-onchain-collateral-attestation-7515b559"}