{"uid":"cap_p1x2B-LhHQLZgaE7BM5GH","slug":"stablecoin-market-data-api-7c09257e","name":"Stablecoin Market Data API","description":"Stablecoin market in one route: top stablecoins by supply with peg price, deviation and 24h/7d supply change, one coin's peg health with its top chains, or stablecoin supply per blockchain Stablecoin market in one route: the top stablecoins by circulating supply with peg price, deviat…","url":"https://api.x-402.online/v1/stablecoins?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"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_k_Ceq2T13yQyI73off61Z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns stablecoin market data including top stablecoins by circulating supply, peg price, peg deviation, supply changes, chain distribution, and peg health metrics.","exampleAgentPrompt":"Give me a stablecoin market overview — show the top stablecoins by circulating supply with their current peg price, how far they're deviating from the peg, and their 24h and 7-day supply changes.","exampleUseCases":[{"title":"Stablecoin market snapshot for DeFi dashboard","prompt":"Pull up the top stablecoins by circulating supply right now with their peg prices and how much their supply has changed over the last 24 hours and 7 days."},{"title":"Peg health check for a specific stablecoin","prompt":"Check the peg health of USDC — I want to see how close it is to $1, which chains it's on, and if there are any signs of depeg."},{"title":"Chain-level stablecoin supply breakdown","prompt":"How is stablecoin supply distributed across blockchains? Show me which chains hold the most stablecoins right now."}],"resultDescription":"Returns structured stablecoin market data: for top-coins view — list of leading stablecoins with circulating supply, peg price, deviation from peg, 24h and 7d supply changes; for single-coin view — detailed peg health metrics and per-chain distribution; for chain view — stablecoin supply aggregated by blockchain.","failureModes":["Invalid query parameter returns 400 bad request","Unsupported stablecoin symbol returns empty result or 404","Rate limiting or payment failure via x402 protocol returns 402 Payment Required","Data provider outage returns 503 or stale data","Unknown chain name returns empty or error response"],"whenToPreferThis":"Choose this endpoint when you need real-time stablecoin market intelligence — specifically circulating supply rankings, peg deviation monitoring, or cross-chain supply distribution — without needing a full DEX or CEX data provider. Ideal for DeFi dashboards, risk monitoring agents, or financial research tools that want pay-per-call access with no account setup required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T12:35:59.356Z","isFirstParty":false,"canonicalSlug":"stablecoin-market-data-api-7c09257e"}