{"uid":"cap_zMhjcs8odse5S5bjl0uRA","slug":"vextorium-chain-top-defi-protocols-f9d2868a","name":"Vextorium Chain Top DeFi Protocols","description":"558 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, Hyperliquid, economy and official statistics, FX, validation, web and developer tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/chain-top-protocols?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"type":"string"},"limit":{"type":"integer"},"category":{"type":"string"}}},"responseSchema":{"type":"json","example":{"chain":"Base","source":"DefiLlama","ranking":[{"category":"Lending","protocol":"Morpho Blue","share_pct":58.72,"change_7d_pct":3.66,"on_chain_tvl_usd":4547530752},{"category":"Lending","protocol":"Aave V3","share_pct":7.29,"change_7d_pct":0.14,"on_chain_tvl_usd":564636173}],"protocols":702,"sum_tvl_usd":7743956980}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VR2dQdgR4aLiNtg8J3zEA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a ranked list of DeFi protocols by TVL on a specific blockchain, with category, 7-day change, and chain TVL share.","exampleAgentPrompt":"What are the top DeFi protocols by TVL on Base right now? Show me up to 10, and filter to lending protocols only.","exampleUseCases":[{"title":"Lending protocol dominance on Base","prompt":"Which lending protocols have the most TVL on Base, and what share of the chain's total TVL do they control?"},{"title":"Solana DeFi leaderboard for portfolio research","prompt":"Give me the top 15 DeFi protocols on Solana ranked by TVL, including their 7-day change — I want to see which ones are growing fastest."},{"title":"Cross-chain DEX TVL comparison","prompt":"Show me the top DEX protocols by TVL on Arbitrum so I can compare how liquidity is distributed across decentralized exchanges there."}],"resultDescription":"A JSON object containing the chain name, data source (DefiLlama), total TVL sum in USD, total protocol count, and a ranked array of protocols — each with name, category, on-chain TVL in USD, percentage share of chain TVL, and 7-day TVL change percentage.","failureModes":["Unsupported or misspelled chain name returns empty or error response","Invalid category filter returns no results","Limit parameter ignored or capped at server max","Stale data if DefiLlama upstream is delayed","Network timeout for chains with large protocol counts"],"whenToPreferThis":"Use this endpoint when you need a ranked, per-chain breakdown of DeFi protocols by TVL, especially with category filtering (e.g. lending, DEX) and 7-day trend data. Prefer it over global TVL rankings when the user's question is chain-specific. It's ideal for competitive landscape analysis, chain health monitoring, or identifying dominant protocols on a given network.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T19:28:32.065Z","isFirstParty":false,"canonicalSlug":"vextorium-chain-top-defi-protocols-f9d2868a"}