{"uid":"cap_VgkT4CNQSfbrtZCMjmB4c","slug":"defillama-defi-tvl-chain-protocols-lookup-x402-f1561d7a","name":"DefiLlama DeFi TVL & Chain Protocols Lookup (x402)","description":"Pay-per-call crypto microdata for trading/onchain AI agents via x402 (USDC on Base): Base gas, token risk, balances, multi-venue prices, Hyperliquid book/funding, kimchi premium. No API keys.","url":"https://kr-x402-mvp.kgy5612.workers.dev/defillama/protocols?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":{"chain":{"type":"string","examples":["Base","Ethereum"],"maxLength":40,"description":"Chain name, e.g. Base, Ethereum, Solana"},"limit":{"type":"integer","maximum":50,"minimum":1,"description":"Top chains to list (default 15)"},"protocol":{"type":"string","examples":["aave"],"maxLength":60,"description":"DefiLlama protocol slug, e.g. aave, lido, aerodrome"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"defi":{"base":{"rank":5,"tvl_usd":3900000000,"share_pct":3.1},"flow":"flat","change_1d_pct":0.3,"change_7d_pct":-2.1,"total_tvl_usd":125000000000,"chains_counted":300,"change_30d_pct":4},"next":["/crypto/global-market","/crypto/stablecoin-peg"],"chain":{"flow":"flat","name":"Base","rank":5,"as_of":"2026-10-30","tvl_usd":3900000000,"chain_id":8453,"change_1d_pct":0.4,"change_7d_pct":-1.2,"change_30d_pct":5.6,"share_of_defi_pct":3.1},"signal":"NEUTRAL","source":"https://defillama.com","reasons":["DeFi TVL $125.0B, 7d -2.1%","Base #5 $3.90B, 7d -1.2% (flat)"],"top_chains":[{"name":"Ethereum","rank":1,"token":"ETH","tvl_usd":70000000000,"share_pct":56}],"updated_at":"2026-10-30T02:30:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_lR4b20dtyFOka7x6DB37w","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches DeFi TVL data, chain rankings, protocol stats, and market signals from DefiLlama via pay-per-call x402 micropayment (no API key required).","exampleAgentPrompt":"What's the current TVL on Base — is it trending up or down — and how does it rank among other DeFi chains? Show me the top 15 chains.","exampleUseCases":[{"title":"DeFi chain TVL ranking check","prompt":"Pull the top 10 DeFi chains by TVL right now and tell me which ones are growing versus shrinking over the past 7 days."},{"title":"Protocol-specific TVL deep dive","prompt":"What's the current TVL for Aave and how has it changed over the last week and month? Give me the DefiLlama signal too."},{"title":"Base chain DeFi health monitor","prompt":"Check the current DeFi TVL on Base — what's its rank, share of total DeFi, and is the 7-day trend bullish or neutral?"}],"resultDescription":"Returns a JSON object with total DeFi TVL, chain-specific TVL rank and percentage changes (1d/7d/30d), flow signal (bullish/neutral/bearish), top chains list with token and share data, protocol-level stats if requested, a market signal string, human-readable reasons array, and suggested next endpoints. Data is sourced live from DefiLlama.","failureModes":["Payment not sent or insufficient USDC balance causes 402 response","Invalid chain name returns empty or error response","Protocol slug not found in DefiLlama returns null protocol data","Limit value outside 1-50 range rejected by schema validation","DefiLlama upstream outage causes stale or error response"],"whenToPreferThis":"Choose this endpoint when an AI agent needs live DeFi TVL data, chain rankings, or protocol stats without managing API keys — especially when operating autonomously with a USDC wallet on Base and making low-cost per-call decisions. Prefer over direct DefiLlama API when the agent needs a pre-interpreted signal (BULLISH/NEUTRAL/BEARISH) and curated next-step suggestions rather than raw data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:42:11.473Z","isFirstParty":false,"canonicalSlug":"defillama-defi-tvl-chain-protocols-lookup-x402-f1561d7a"}