{"uid":"cap_JaLTMxNJlJC_PTuv7d0lK","slug":"2s-io-stablecoin-supply-leaderboard-d25b42c7","name":"2s.io Stablecoin Supply Leaderboard","description":"Stablecoin supply leaderboard (via DefiLlama, free/keyless): the largest stablecoins by circulating USD, with peg type (USD/EUR/…), peg mechanism (fiat-backed, crypto-backed, algorithmic), and current price. For tracking stablecoin market share and de-peg risk.","url":"https://2s.io/api/crypto/stablecoins","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","properties":{"limit":{"type":"integer","maximum":200,"minimum":1}},"additionalProperties":false}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0036","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":"$0.0036/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0036","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0036","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NYL7VdtwZj8bhZ5u8dZhT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0036","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a ranked list of the largest stablecoins by circulating USD supply, including peg type, peg mechanism, and current price, sourced via DefiLlama.","exampleAgentPrompt":"Pull the top 50 stablecoins ranked by circulating supply and tell me their peg types and mechanisms — I want to see which ones are fiat-backed vs algorithmic and check if any are currently off their peg.","exampleUseCases":null,"resultDescription":"A ranked list of stablecoins (up to the requested limit, max 200) ordered by circulating USD supply, each with its name, circulating supply in USD, peg currency (e.g. USD, EUR), peg mechanism (fiat-backed, crypto-backed, algorithmic), and current price. Useful for market share analysis and de-peg risk monitoring.","failureModes":["Payment required (402) if x402 micropayment header is missing or insufficient","limit parameter out of range (must be 1–200) returns validation error","Upstream DefiLlama data unavailable may cause 503 or stale data","No results returned if stablecoin data feed is temporarily empty"],"whenToPreferThis":"Use this endpoint when you need a ranked leaderboard of stablecoins by circulating supply with peg type and mechanism metadata, especially for DeFi market analysis, de-peg risk monitoring, or comparing fiat-backed vs algorithmic stablecoins. Prefer this over generic crypto price APIs when stablecoin-specific metadata (peg mechanism, peg currency) is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:10:08.203Z","isFirstParty":false}