{"uid":"cap_Akc_r8fKyV5wH1PFBu39N","slug":"defi-protocol-fees-data-api-x402-ee744b7a","name":"DeFi Protocol Fees Data API (x402)","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/protocol-fees?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false}}},"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_npYhrp4oF-wh84f7SwAWL","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 DeFi protocol fee data paid per-call in USDC via x402, with no API keys required.","exampleAgentPrompt":"What are the current fees charged by major DeFi protocols? I want normalized, up-to-date fee data without needing to set up any API keys.","exampleUseCases":[{"title":"DeFi fee comparison for yield strategy","prompt":"Can you pull the latest fee data across DeFi protocols so I can figure out which ones are cheapest to use for my yield farming strategy?"},{"title":"Protocol revenue tracking dashboard","prompt":"I'm building a dashboard — can you get me the current fee metrics for DeFi protocols so I can track how much revenue each one is generating?"},{"title":"Research report on DeFi fee trends","prompt":"I'm writing a report on DeFi economics. Can you fetch normalized protocol fee data so I can analyze how fees have been structured across major protocols?"}],"resultDescription":"A normalized JSON response containing fee data for DeFi protocols, sourced from multiple public on-chain data providers. Includes protocol-level fee metrics, aggregated and standardized for consistent comparison across protocols. Response is edge-cached for performance.","failureModes":["Payment not received or insufficient USDC balance — returns HTTP 402 Payment Required","Invalid or malformed query parameters — returns 400 Bad Request","Upstream public data provider unavailable — may return stale cached data or 503","Rate limiting from underlying sources may cause delayed or partial responses"],"whenToPreferThis":"Choose this endpoint when you need DeFi protocol fee data without wanting to manage API keys or accounts. Ideal for agents that can pay micro-amounts of USDC on Base via x402, want normalized multi-source data in a single call, and benefit from edge caching and fallback resilience. Best when simplicity and keyless access matter more than raw data customization.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:41:23.994Z","isFirstParty":false,"canonicalSlug":"defi-protocol-fees-data-api-x402-ee744b7a"}