{"uid":"cap_g-LQALc9esyrph8UkG5YI","slug":"financial-data-x402-defi-protocol-stats-b1ac374e","name":"Financial Data x402 – DeFi Protocol Stats","description":"Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.","url":"https://x402financialdata.com/defi-protocol/%7Bslug%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"name":"Uniswap","slug":"uniswap","as_of":"2026-08-01T20:53:59+00:00","symbol":"UNI","tvl_usd":3033677596,"market_cap_usd":2537468332.689303,"tvl_change_pct":{"1d":-0.982,"7d":-3.8588},"top_chains_by_tvl":[{"chain":"Ethereum","tvl_usd":2147635713},{"chain":"Base","tvl_usd":362190494},{"chain":"Arbitrum","tvl_usd":171492784},{"chain":"BSC","tvl_usd":97416638},{"chain":"Polygon","tvl_usd":72485443}]}},"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_9WTVq5MHag3hfGoHCe0ef","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 real-time TVL, market cap, token symbol, and chain-level breakdown for a specific DeFi protocol identified by its slug.","exampleAgentPrompt":"What's Uniswap's current TVL, market cap, and how has its TVL changed over the last 7 days — and which chains hold the most of it?","exampleUseCases":[{"title":"DeFi portfolio TVL monitoring","prompt":"Check the current TVL and 1-day TVL change for Aave so I can see if the protocol is growing or shrinking right now."},{"title":"Cross-chain liquidity breakdown","prompt":"For Uniswap, show me which blockchains hold the most TVL and how much is on each chain."},{"title":"DeFi market cap vs TVL comparison","prompt":"What's the TVL versus market cap ratio for Curve Finance right now — I want to see if it's trading at a premium or discount to its locked assets."}],"resultDescription":"A JSON object containing the protocol's canonical name, slug, token symbol, snapshot timestamp, total TVL in USD, market cap in USD, TVL percentage changes over 1 day and 7 days, and an ordered list of the top chains by TVL with individual chain TVL values in USD.","failureModes":["Unknown or misspelled slug returns a 404 or empty result","Payment failure (insufficient USDC balance) causes a 402 response and no data returned","Stale data if on-chain indexing lags; check the as_of timestamp","Protocol not yet indexed returns no data even if the protocol exists on-chain"],"whenToPreferThis":"Choose this endpoint when you need real-time DeFi protocol TVL, market cap, and chain-level breakdowns without committing to a subscription or managing API keys — ideal for autonomous agents that pay per call in USDC via the x402 protocol. Prefer it over traditional data APIs (CoinGecko, DefiLlama APIs requiring keys) when operating in a crypto-native agent environment that already handles x402 micropayments.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:56:28.845Z","isFirstParty":false}