{"uid":"cap_6wE11lxcd2l0yu4xOEZ7S","slug":"three-ws-stablecoin-health-api-34a45ebe","name":"three.ws Stablecoin Health API","description":"Make a 3D AI agent from a selfie in 60 seconds. Drop one HTML tag to embed it on any website. Agents think on IBM watsonx.ai (Granite); optionally charge per chat with built-in micropayments.","url":"https://three.ws/api/x402/stablecoin-health?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"limit":{"type":"integer","default":25,"maximum":100,"minimum":1,"description":"Coins to return, largest supply first."},"symbol":{"type":"string","description":"Return only this stablecoin symbol, e.g. USDC (case-insensitive)."}}}},"additionalProperties":false}}},"responseSchema":{"type":"json","example":{"ts":"2026-07-11T10:00:00Z","coins":[{"name":"USD Coin","price":0.9998,"chains":34,"status":"on-peg","symbol":"USDC","mechanism":"fiat-backed","change_7d_pct":1.4,"deviation_bps":-2,"change_24h_pct":0.21,"change_30d_pct":3.8,"circulating_usd":61200000000}],"depegged":[],"total_circulating_usd":254000000000}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_xjmhK3ZnKMoL2STlngWiO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time peg status, circulating supply, price, and chain coverage for major stablecoins, filtered by symbol or ranked by supply.","exampleAgentPrompt":"Show me the peg health and circulating supply for the top 5 stablecoins right now, and flag any that are currently off peg.","exampleUseCases":[{"title":"Pre-trade stablecoin risk check","prompt":"Before I move funds, check whether USDC is currently on peg and tell me its 24-hour and 7-day price change."},{"title":"DeFi dashboard depeg alert","prompt":"Pull stablecoin health for the top 25 coins by circulating supply and list any that are currently depegged so I can update my risk dashboard."},{"title":"Stablecoin market overview","prompt":"Give me a summary of the overall stablecoin market — total circulating supply, which coins are on peg, and how each has moved over the last 30 days."}],"resultDescription":"Returns a JSON object with a timestamp, a list of stablecoins sorted by circulating supply (each with symbol, name, price, peg status, deviation in basis points, mechanism, chain count, and 24h/7d/30d price changes), a separate array of any currently depegged coins, and the total stablecoin circulating supply in USD.","failureModes":["Unknown or misspelled symbol returns empty coins array","limit parameter out of range (1-100) returns validation error","Payment not included or insufficient USDC causes 402 response","Service unavailable if upstream price feeds are down","Stale data if timestamp is significantly behind real-time"],"whenToPreferThis":"Choose this endpoint when you need real-time stablecoin peg status, deviation metrics, and circulating supply data in a single call — especially when filtering by a specific coin like USDC or needing ranked lists of the largest stablecoins. Prefer it over generic crypto price APIs when peg health (deviation basis points, on-peg/depegged status) and multi-chain coverage data are the primary concern.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:46:44.556Z","isFirstParty":false,"canonicalSlug":"three-ws-stablecoin-health-api-34a45ebe"}