{"uid":"cap_5WxG_cmrIiEQuA8qhTHlq","slug":"stablecoin-market-overview-api-4a44c585","name":"Stablecoin Market Overview API","description":"Stablecoin market: total circulating market cap (USD) and the largest stablecoins by mcap with their peg type, peg mechanism (e.g. fiat-backed, crypto-backed) and dominance.","url":"https://crypto.openverbs.com/v1/stablecoins","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":{"limit":{"type":"integer","maximum":100,"minimum":1,"description":"How many stablecoins to return, ranked by market cap (default 10)."}},"additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"count":421,"stale":false,"source":"defillama","stablecoins":[{"name":"Tether","symbol":"USDT","mcapUsd":183359001413.3,"pegType":"peggedUSD","dominancePct":58.5,"pegMechanism":"fiat-backed"}],"totalMcapUsd":313413823122.79}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZYXPNAlSWdL2TQCRPfVP3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the total circulating stablecoin market cap in USD plus a ranked list of the largest stablecoins with their peg type, peg mechanism, and dominance share.","exampleAgentPrompt":"Give me an overview of the stablecoin market — show me the top 15 stablecoins by market cap, along with the total circulating market cap and each coin's peg type and mechanism.","exampleUseCases":[{"title":"Stablecoin dominance research","prompt":"What's the total stablecoin market cap right now, and which are the top 10 stablecoins? I want to see their peg types and how dominant each one is."},{"title":"Fiat vs crypto-backed breakdown","prompt":"Show me the top 25 stablecoins by market cap so I can see the split between fiat-backed, crypto-backed, and algorithmic stablecoins."},{"title":"DeFi risk assessment","prompt":"Pull the current stablecoin market overview for me — total market cap and the top 20 coins with their peg mechanisms — I want to understand concentration risk in the stablecoin sector."}],"resultDescription":"Returns the total circulating stablecoin market cap in USD, plus a ranked list of stablecoins (up to the requested limit, default 10) each with: name, peg type (e.g. fiat, crypto, algorithmic), peg mechanism (e.g. fiat-backed, crypto-backed), market cap in USD, and dominance as a percentage of total stablecoin market cap.","failureModes":["Invalid limit value (outside 1–100 range) returns a validation error","Payment failure or insufficient USDC balance returns a 402 Payment Required error","Upstream data source unavailability may return a 503 or empty dataset","Malformed request body returns a 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive stablecoin market snapshot — total market cap plus ranked leaders with peg classification — in a single call. Prefer it over general crypto price endpoints when the specific focus is stablecoin composition, dominance, and peg mechanism analysis rather than individual token prices.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:42:15.173Z","isFirstParty":false}