{"uid":"cap_11IDT05DYw_nGJDfYX5MD","slug":"stablecoin-market-cap-rankings-2170fdcf","name":"Stablecoin Market Cap Rankings","description":"Circulating market cap of the top stablecoins (USDT, USDC, DAI...), highest first, source DefiLlama. Optional parameter: ?limit=<n> (1-100, default 20).","url":"https://x402-seller-0ay3.onrender.com/api/defi/stablecoins","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"count":20,"source":"https://stablecoins.llama.fi/stablecoins","fetched_at":"2026-09-01T12:00:00.000Z","stablecoins":[{"peg":"peggedUSD","name":"Tether","symbol":"USDT","mechanism":"fiat-backed","circulating_usd":183000000000}]}},"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_P6ecH8hMHX-TtblIP8IRX","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 circulating market cap of top stablecoins (USDT, USDC, DAI, etc.) ranked highest first, sourced from DefiLlama","exampleAgentPrompt":"What are the top 20 stablecoins by circulating market cap right now? Show me their names, symbols, and USD amounts ranked from largest to smallest.","exampleUseCases":[{"title":"DeFi dashboard stablecoin overview","prompt":"Pull the top 10 stablecoins by circulating market cap so I can display them on my DeFi dashboard — I need the name, symbol, and current USD circulation for each."},{"title":"USDT vs USDC dominance check","prompt":"Get me the current circulating market caps of the top 5 stablecoins so I can see how USDT and USDC compare to each other and the rest of the market."},{"title":"Stablecoin research for market report","prompt":"Fetch the top 50 stablecoins ranked by circulating market cap, including their peg type and backing mechanism — I'm writing a report on the stablecoin landscape."}],"resultDescription":"Returns a JSON object with a count, the source URL (stablecoins.llama.fi), a fetch timestamp, and an array of stablecoins each containing: name, symbol, peg type (e.g. peggedUSD), backing mechanism (e.g. fiat-backed, algorithmic), and circulating USD market cap — sorted descending by market cap.","failureModes":["Invalid limit parameter (outside 1-100 range) may return an error or be clamped","DefiLlama upstream outage may return stale or unavailable data","Render cold-start latency if the service has been idle","Payment failure via x402 protocol returns 402 status before data is served"],"whenToPreferThis":"Choose this endpoint when you need live stablecoin market cap rankings sourced from DefiLlama, especially if you want fiat-backed vs algorithmic breakdown and peg metadata alongside circulating supply. Prefer it over on-chain queries when you need aggregated multi-chain circulating supply in a single call, and over generic crypto price endpoints when stablecoin-specific metrics (peg, mechanism) are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:35:01.572Z","isFirstParty":false}