{"uid":"cap_X7hxo1DP1Qc5hV_lCgSof","slug":"speraxos-stablecoins-data-api-a5f07365","name":"SperaxOS Stablecoins Data API","description":"AI-powered DeFi intelligence APIs payable via the x402 HTTP payment protocol. No API key required — pay per request with USDC on Base. Identity-only (SIWX) endpoints are free for wallets with an agentcash identity.","url":"https://chat.sperax.io/api/x402/v1/data/stablecoins?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ewlDKlQAnzM9SLVBNZUj3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time DeFi intelligence data on stablecoins, payable per-request via x402 USDC micropayments on Base","exampleAgentPrompt":"Pull up the latest stablecoin data from SperaxOS — I want to see the properties and metrics for all available stablecoins so I can compare yields and liquidity.","exampleUseCases":[{"title":"Yield comparison for DeFi portfolio","prompt":"Show me all the stablecoins tracked by SperaxOS with their current yield and liquidity data so I can figure out which one to put my idle USDC into."},{"title":"Stablecoin risk profiling for agent","prompt":"Fetch the full list of stablecoins from Sperax's DeFi intelligence API including their properties — I need to assess collateralization and risk profile for each one."},{"title":"Real-time DeFi dashboard data","prompt":"Get me the latest stablecoin metrics from SperaxOS right now — I'm building a live DeFi dashboard and need up-to-date data on all tracked stablecoins without signing up for an API key."}],"resultDescription":"A JSON response containing a list of stablecoins with their DeFi-relevant properties and metrics such as yield, liquidity, collateral type, and on-chain data, sourced from Sperax's AI-powered intelligence layer.","failureModes":["402 Payment Required if x402 USDC payment on Base is not included or insufficient","Invalid or malformed properties filter returns empty or error response","Network or RPC issues on Base chain delay response","Stablecoin data may be temporarily stale if on-chain indexing lags"],"whenToPreferThis":"Choose this endpoint when you need structured, AI-curated stablecoin data from the DeFi ecosystem without setting up an API key — ideal for agents that can pay per-request with USDC on Base via x402. Prefer this over generic crypto data APIs when you specifically need stablecoin intelligence with DeFi-native metrics.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:49:27.840Z","isFirstParty":false,"canonicalSlug":"speraxos-stablecoins-data-api-a5f07365"}