{"uid":"cap_UFAxreVDRjwxACFROQTxl","slug":"defillama-tvl-lookup-via-x402-54fafa6c","name":"DefiLlama TVL Lookup via 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/tvl?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_InfNOhlisWULRpgV691n7","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":"Returns DeFi total value locked (TVL) data for chains and protocols via DefiLlama, accessible pay-per-call with USDC on Base using x402.","exampleAgentPrompt":"What's the current TVL for Base chain and how has it changed over the past 7 days? Show me where it ranks among all DeFi chains.","exampleUseCases":[{"title":"Monitor Base chain DeFi health","prompt":"Check the current TVL on Base and tell me if it's growing or shrinking — I want to know its rank among all chains and its 7-day trend."},{"title":"Research Aave protocol TVL","prompt":"Look up the TVL for Aave and give me its 1-day and 7-day change so I can decide if it's a good time to deploy capital."},{"title":"Compare top DeFi chains by TVL","prompt":"Show me the top 5 DeFi chains ranked by TVL right now, including their share of the total DeFi market and recent flow signals."}],"resultDescription":"Returns a structured JSON object with global DeFi TVL, the queried chain's rank and TVL with 1d/7d/30d change percentages and flow signal, a list of top chains, a NEUTRAL/BULLISH/BEARISH signal, human-readable reasons, and suggested next endpoints. Data sourced from DefiLlama and timestamped.","failureModes":["Unknown chain name returns an error or empty chain data","Invalid protocol slug returns no protocol-specific TVL","Limit parameter out of 1-50 range causes validation error","x402 payment failure (insufficient USDC balance on Base) returns 402 status","Stale data if DefiLlama upstream is delayed"],"whenToPreferThis":"Use this endpoint when your agent needs real-time DeFi TVL data without API key setup, especially for on-chain trading agents operating on Base that already pay via x402 USDC micropayments. Prefer over direct DefiLlama API calls when you need pay-per-call economics with no subscription, or when integrating TVL signals into a broader crypto agent workflow alongside gas, token risk, and price data from the same provider.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:42:21.077Z","isFirstParty":false,"canonicalSlug":"defillama-tvl-lookup-via-x402-54fafa6c"}