{"uid":"cap_dmuLqCd5rQ8B9wkGRDa1B","slug":"x402-defi-chain-tvl-ranking-41362ca2","name":"x402 DeFi Chain TVL Ranking","description":"Rank blockchains by total DeFi value locked (TVL) across all protocols","url":"https://x402tap.com/api/defi-chains?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":{"limit":{"type":"string","description":"Number of top chains to return, 1-100 (default 15)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"count":2,"chains":[{"rank":1,"chain":"Ethereum","tvlUsd":65000000000,"tokenSymbol":"ETH"},{"rank":2,"chain":"Solana","tvlUsd":8500000000,"tokenSymbol":"SOL"}]}},"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_gbwWZQ1dicn5jmVzexvI4","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 a ranked list of blockchains ordered by total DeFi value locked (TVL) across all protocols","exampleAgentPrompt":"Show me the top 20 blockchains ranked by total DeFi value locked right now.","exampleUseCases":[{"title":"DeFi ecosystem dominance research","prompt":"Which blockchains are leading in DeFi right now? Give me the top 15 chains ranked by total value locked so I can see where the most capital is deployed."},{"title":"Chain selection for DeFi protocol launch","prompt":"I'm deciding which blockchain to launch a DeFi protocol on — can you pull the top 10 chains by TVL so I can see where the most liquidity is?"},{"title":"Daily DeFi market briefing","prompt":"Pull the top 25 blockchains by DeFi TVL for my morning crypto report — I want to track how chain dominance is shifting."}],"resultDescription":"A JSON object containing a count field and a ranked array of chains, each with rank (integer), chain name (string), tvlUsd (numeric USD value), and tokenSymbol (string). Default returns top 15 chains; can return up to 100.","failureModes":["Invalid limit parameter (outside 1-100 range) may return an error or default behavior","Payment failure if USDC balance insufficient for the $0.002 fee","Stale data if upstream DeFi data source is delayed","Network timeout if x402tap.com is temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you need a cross-chain TVL leaderboard rather than TVL for a specific protocol. Prefer this over the x402 DeFi Protocol TVL endpoint when the goal is comparing chains rather than drilling into a single protocol's metrics. Ideal for macro DeFi analysis, chain dominance tracking, or deciding where to deploy capital or infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T00:32:35.343Z","isFirstParty":false,"canonicalSlug":"x402-defi-chain-tvl-ranking-41362ca2"}