{"uid":"cap_s-BzjjPKaGcVCwqLSsp3E","slug":"santyvv-data-defi-stablecoins-endpoint-1aac4b2e","name":"santyvv-data DeFi Stablecoins Endpoint","description":"Market and on-chain data, paid per call in USDC on Base through the x402 protocol. No accounts, no API keys. Sources are public data providers; the value added here is keyless access, edge caching, multi-source fallback and normalised responses.","url":"https://x402.santyvv.com/api/defi/stablecoins?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_yrb2ue4Kaiy5mpD7_YMKI","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns normalized stablecoin market and on-chain data (supply, peg, yields, issuers) paid per call in USDC via x402 — no API key required.","exampleAgentPrompt":"Give me the current market data for all major stablecoins — supply, peg status, and yields — and pay for the lookup with USDC on Base.","exampleUseCases":[{"title":"Stablecoin market cap dashboard","prompt":"Pull me the latest list of stablecoins with their circulating supply and market cap so I can update my DeFi dashboard — pay the $0.01 fee from my USDC wallet on Base."},{"title":"Peg health monitoring alert","prompt":"Check the current peg status for all major stablecoins and let me know if any are deviating more than 0.5% from their dollar peg — use the santyvv stablecoin endpoint and pay per call."},{"title":"Stablecoin yield comparison","prompt":"I want to compare the yields available across major stablecoins right now — can you fetch that data and show me which ones are offering the best returns?"}],"resultDescription":"A normalized JSON response containing a list of stablecoins with key metrics such as ticker symbol, issuer, circulating supply, market capitalization, current peg price, peg deviation, and available yield data sourced from multiple public on-chain and market data providers.","failureModes":["Payment failure: insufficient USDC balance or x402 payment not accepted — returns 402 Payment Required","Rate or network error: upstream public data provider unavailable — may return 503 or partial data","Invalid query properties: malformed filter parameters — returns 400 Bad Request","Edge cache miss combined with upstream timeout — slower response or 504"],"whenToPreferThis":"Choose this endpoint when you need stablecoin data without setting up API keys or accounts, want to pay only for what you use (per-call USDC micropayment), or need a normalized multi-source response that aggregates public on-chain and market data with edge caching for reliability. Ideal for AI agents operating autonomously with a crypto wallet on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:39:55.149Z","isFirstParty":false,"canonicalSlug":"santyvv-data-defi-stablecoins-endpoint-1aac4b2e"}