{"uid":"cap_dlxvEwWssMDULEFbfmP5l","slug":"speraxos-rss-proxy-x402-c25497ab","name":"SperaxOS RSS Proxy (x402)","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/rss-proxy?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"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_El2dQlcxuqcutGbZ3_BJ7","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":"Proxies and retrieves RSS feed content for DeFi/crypto intelligence, payable per-request via x402 USDC micropayment on Base","exampleAgentPrompt":"Fetch the latest DeFi news from this RSS feed URL for me — pay for it using USDC on Base: https://feeds.example.com/defi-news","exampleUseCases":[{"title":"DeFi protocol news monitoring","prompt":"Can you pull the latest updates from the Sperax protocol RSS feed and summarize any new announcements? Pay per request with USDC."},{"title":"Crypto market news aggregation","prompt":"Fetch me the current items from this DeFi news RSS feed at https://cryptonews.example.com/feed.xml so I can see what's moving markets today."},{"title":"AI agent DeFi research pipeline","prompt":"I'm building a research workflow — fetch RSS feed content from https://defipulse.com/feed for me without needing an API key, just use the x402 micropayment method."}],"resultDescription":"Returns the proxied RSS feed content, typically including a list of feed items with titles, links, publication dates, and descriptions sourced from the requested DeFi or crypto RSS feed URL.","failureModes":["Invalid or unreachable RSS feed URL returns an error or empty response","Insufficient USDC balance causes x402 payment failure and request rejection","Malformed feed URL results in parse error","Rate limits or upstream feed errors may cause intermittent failures","Feed source blocks proxy requests returning 403 or empty content"],"whenToPreferThis":"Choose this endpoint when you need to fetch RSS feed content on a pay-per-use basis without managing API keys or subscriptions, especially within a DeFi/crypto intelligence workflow. It is ideal for AI agents that need occasional or unpredictable RSS access billed in USDC micropayments via x402, rather than committing to a monthly subscription feed aggregator.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T06:31:58.057Z","isFirstParty":false,"canonicalSlug":"speraxos-rss-proxy-x402-c25497ab"}