{"uid":"cap_D2z2Av5Sg5EHcvfTdFwUj","slug":"stablecoin-single-coin-census-4cb25aed","name":"Stablecoin Single-Coin Census","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.","url":"https://aeml-x402.zeabur.app/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":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_uBNr31Hmsz5HcfpkyFAt1","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 latest market cap, price, peg deviation, lifecycle status, and time-series observation for a single stablecoin by symbol","exampleAgentPrompt":"Can you pull the latest peg status, market cap, and lifecycle info for USDT — I want to know if it's showing any depeg pressure right now?","exampleUseCases":[{"title":"Stablecoin depeg early warning","prompt":"Check if TerraUSD (UST) is showing any depeg pressure or redemption stress — I need the current peg deviation and lifecycle state."},{"title":"Stablecoin due diligence for DeFi protocol","prompt":"I'm evaluating FRAX as collateral for a lending protocol — can you get me its current market cap, peg status, and how long it's been operating?"},{"title":"Dead stablecoin post-mortem research","prompt":"I'm researching failed stablecoins — pull the lifecycle data for IRON stablecoin, including when it first launched, when it depegged, and its lifespan in days."}],"resultDescription":"Returns a JSON object with coin_id, name, current observation data (state, peg deviation, death type, lifespan days depending on source), lifecycle info (peg/state/first_seen/last_seen/end_at), companion signal path for depeg/redemption pressure, source tier, capture date, data age in hours, and a record hash for integrity verification.","failureModes":["Unknown or unsupported symbol returns empty or error response","Stale data if data_age_hours is high for illiquid or delisted coins","Missing lifecycle fields for very new stablecoins with insufficient history","Payment required (402) if USDC payment not provided","Some fields may be null for coins with limited source coverage"],"whenToPreferThis":"Use this endpoint when you need a focused, single-coin deep-dive on a stablecoin's health, peg stability, lifecycle stage, and market metrics — especially when monitoring for depeg events or researching coin history. Prefer this over the full stablecoin triangle endpoint when you only need the census snapshot rather than the full depeg-pressure and redemption-flight triangle.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:52:31.840Z","isFirstParty":false}