{"uid":"cap_sFdLhUSNIW7YEOz9bXoV8","slug":"stablecoin-market-cap-chain-breakdown-api-synthora-defillama-b8ea939f","name":"Stablecoin Market Cap & Chain Breakdown API (Synthora/DefiLlama)","description":"Real-time circulating supply and chain breakdown for all major stablecoins via DefiLlama. Systemic-risk signal for treasury agents. Free source. $0.01 USDC via x402 on Base. SYNTHORA.","url":"https://stablecoin-mcap.hergertsynthora.com/service","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":[],"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"ok":{"type":"boolean"},"type":"object","niche":{"type":"string"}}}}}},"responseSchema":{"type":"json","example":{"ok":true,"niche":"stablecoin-mcap","result":{}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_69OTfTrwGu5wJkTZ4Sq2s","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time circulating supply and per-chain breakdown for all major stablecoins, sourced from DefiLlama, as a systemic-risk signal for treasury and DeFi agents.","exampleAgentPrompt":"Pull the latest circulating supply and chain breakdown for all major stablecoins — I want to see how USDC, USDT, and DAI are distributed across Ethereum, Tron, Base, and other chains right now for a treasury risk check.","exampleUseCases":null,"resultDescription":"A JSON response containing real-time circulating supply figures and per-chain distribution for all major stablecoins, sourced from DefiLlama. Likely includes fields such as total market cap, individual stablecoin breakdown, and chain-level allocation data. Response includes an 'ok' boolean and a 'niche' string field per the schema example.","failureModes":["Upstream DefiLlama failure — no charge applied per service terms","Missing or malformed X-WALLET header may result in billing or access issues","Invalid POST body structure returns error","Rate limiting or wallet quota exceeded after first 3 free calls","Network timeout from external DefiLlama data source"],"whenToPreferThis":"Choose this endpoint when you need real-time, multi-chain stablecoin circulating supply and market cap data aggregated across all major stablecoins for treasury analysis, DeFi risk monitoring, or systemic risk signals. Prefer it over building your own DefiLlama scraper when low-cost, ready-made access is sufficient and x402 micropayment on Base is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:37:38.865Z","isFirstParty":false}