{"uid":"cap_tKkv_6HszNqIK87fr2J7v","slug":"truthbear-stablecoin-census-record-126480c5","name":"TruthBear Stablecoin Census Record","description":"[SIGNAL+PROOF] Census record for one stablecoin (?symbol=): market cap, price, depeg state, lifecycle and time series, each with record_hash. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.01 per call.","url":"https://api.truthbear.co/stable/coin","method":"GET","headers":{},"bodySchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["symbol"],"properties":{"symbol":{"type":"string","examples":["basis-cash-bac"],"description":"required - stablecoin symbol; samples at free /stable/preview (sample_ids)"}},"additionalProperties":false}}},"output":{"type":"object","required":["type"],"properties":{"type":{"const":"json"},"example":{}}}}},"responseSchema":{"type":"json","example":{"entity":"basis-cash-bac","current":{"state":"dead","ongoing":false,"death_type":"depeg-abandoned","lifespan_days":152},"lifecycle":{"peg":"usd","state":"dead","end_at":"2021-05-01","issuer":"Basis Cash (anon)","context":"The algorithmic stablecoin BAC traded below USD 1 for a long period and never regained its peg; after the seigniorage...","ongoing":false,"birth_at":"2020-11-30","mechanism":"algorithmic","death_type":"depeg-abandoned","lifespan_days":152},"signal_id":"stablecoin.lifecycle","source_ref":"https://www.coingecko.com/en/coins/basis-cash","entity_name":"Basis Cash (BAC)","observed_at":"2026-08-24T15:00:00.121Z","record_hash":"sha256:664da5b5c8cc399928a3149a49732e15d67f66d69b683e1469c0ab9871d8d702","source_tier":"T1","snapshot_date":"2026-08-24","data_age_hours":0,"hash_core_version":4}},"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_SHGcxBjFXsWPxQkRy9eST","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":"Returns a comprehensive census record for a single stablecoin by symbol, including market cap, price, depeg state, lifecycle data, and time series, each with a cryptographic record hash.","exampleAgentPrompt":"Pull the TruthBear census record for the USDC stablecoin — I need its current price, market cap, depeg state, and the record hash so I can verify the data.","exampleUseCases":[{"title":"Depeg alert monitoring for USDT","prompt":"Check the TruthBear census record for Tether (USDT) and tell me whether it's currently in a depeg state and what its latest price is."},{"title":"DeFi risk dashboard stablecoin snapshot","prompt":"Fetch the full stablecoin census for DAI — I need the market cap, current price, depeg status, and lifecycle state for our DeFi risk dashboard."},{"title":"Auditable stablecoin data with proof hash","prompt":"Get me the verifiable census record for Frax (frax) from TruthBear, including the record hash, so I can confirm the data integrity in our compliance report."}],"resultDescription":"A JSON object containing the stablecoin's market cap, price, depeg state, lifecycle status, and time series data points — each accompanied by a cryptographic record_hash for verification. Returns a 422 no_charge error (not billed) if no data is available for the requested symbol.","failureModes":["422 no_charge: no data available for the requested stablecoin symbol — call is not billed","Invalid or misspelled symbol returns no data","Symbol not in TruthBear's covered stablecoin universe results in empty response"],"whenToPreferThis":"Choose this endpoint when you need verifiable, hash-attested stablecoin data — especially price, market cap, depeg status, and lifecycle — for a single stablecoin by symbol. Ideal for compliance, auditing, or agent workflows requiring cryptographic proof of data integrity. Use /stable/preview first to discover available sample_ids. Prefer this over generic crypto price APIs when you need depeg state signals and record hashes rather than raw price feeds alone.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:43:06.257Z","isFirstParty":false}