{"uid":"cap_fNDWIDO6uE9YpfV-47qa8","slug":"council-of-ai-usdt-wrapper-asset-measurement-card-c7df19d1","name":"Council of AI — USDT Wrapper Asset Measurement Card","description":"We measure how AI systems behave against frozen, published tests and publish checkable evidence. Issued measurement cards are signed; unsigned supporting runs are labelled. Read the live board and corrections ledger.","url":"https://councilof.ai/api/wrapper/asset/usdt?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"asset":"USDT","cards":[{"schema":"https://councilof.ai/schema/card-v0.json","sha256":"<hex>","payload":{"kind":"csoai.wrapper.parity/0.1","state":"ESCROW_PARITY_READ"},"surface":"public.notice","sig_ed25519":"<hex or null>"}],"counts":{"ESCROW_PARITY_READ":1},"schema":"csoai.wrapper-asset-pack/0.1","pack_sha256":"<hex>","unmeasured_pairs":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_2dMIOaYu7LGrGItN4FuZY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves signed measurement cards and parity state data for the USDT stablecoin asset as evaluated by the Council of AI independent measurement framework.","exampleAgentPrompt":"Pull the signed measurement cards for USDT from Council of AI so I can check the current parity state and verify the cryptographic signatures on the evidence.","exampleUseCases":[{"title":"Verify USDT parity measurement evidence","prompt":"Can you fetch the Council of AI measurement cards for USDT and tell me whether the parity state is signed and what the current escrow parity read status is?"},{"title":"Audit stablecoin behavioral test results","prompt":"I need to audit USDT's behavior scores — grab the signed cards from Council of AI and check if there are any unmeasured pairs or unsigned entries I should be concerned about."},{"title":"Cross-check USDT asset measurement integrity","prompt":"Get the USDT asset pack from Council of AI and give me the pack SHA256 hash and card signatures so I can independently verify the measurement hasn't been tampered with."}],"resultDescription":"Returns a JSON object containing the asset identifier (USDT), an array of measurement cards each with schema URL, SHA256 hash, payload with kind and parity state, surface label, and ed25519 signature (or null if unsigned), a counts summary by state, the overall schema identifier, a pack-level SHA256 hash, and a list of unmeasured pairs.","failureModes":["Payment not made or x402 payment header missing — returns 402 Payment Required","Invalid HTTP method used — only GET/HEAD/DELETE accepted","Asset not found or not yet measured — may return empty cards array","Signature verification failure on client side if ed25519 key is unknown","Network timeout or server unavailability — standard HTTP 5xx errors"],"whenToPreferThis":"Use this endpoint when you need cryptographically signed, independently verifiable measurement evidence specifically for the USDT stablecoin asset from the Council of AI framework. Prefer this over generic AI leaderboard APIs when auditability, signed provenance, and parity-state tracking matter. Best suited for compliance checks, independent audits, or agent workflows that need to verify measurement integrity via SHA256 hashes and ed25519 signatures.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T02:34:46.794Z","isFirstParty":false,"canonicalSlug":"council-of-ai-usdt-wrapper-asset-measurement-card-c7df19d1"}