{"uid":"cap_6ABIIYYgnz0FsS9fiPvYP","slug":"defillama-protocol-chain-tvl-data-via-x402-0fef9f36","name":"DefiLlama Protocol/Chain TVL Data 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/protocol?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_5rpv9zAH2ZuSN2wim2WbY","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 DefiLlama TVL data for a specific blockchain (e.g. Base) and optionally a DeFi protocol, including rankings, flows, and DeFi market signals — paid per-call via x402 USDC micropayment.","exampleAgentPrompt":"Pull the current DefiLlama TVL data for Base — I want the chain rank, 7-day TVL change, flow direction, and the overall DeFi market signal.","exampleUseCases":[{"title":"Monitor Base chain DeFi health","prompt":"Check the current TVL on Base chain — what's its rank, how has it changed over the last 7 days, and is the flow bullish or flat?"},{"title":"Research Aave protocol TVL","prompt":"Look up the DefiLlama TVL data for the Aave protocol and tell me how it's trending over the last 30 days."},{"title":"Compare top DeFi chains by TVL","prompt":"Give me the top 10 chains by TVL right now along with their share of total DeFi and their 7-day change percentages."}],"resultDescription":"Returns a JSON object containing: chain-level data (name, rank, TVL in USD, 1d/7d/30d % changes, flow direction, chain ID), global DeFi aggregate (total TVL, chain count, period changes), protocol-level TVL breakdown for a specified protocol, top chains list with token and share, a NEUTRAL/BULLISH/BEARISH market signal, human-readable reason strings, source URL, and suggested next endpoints.","failureModes":["Unknown chain name returns empty or error response","Invalid protocol slug returns no protocol data","Payment failure (x402) if USDC balance insufficient — 402 response","Rate or timeout errors from upstream DefiLlama API","Stale data if DefiLlama feed is delayed"],"whenToPreferThis":"Use this endpoint when an AI agent needs real-time DeFi TVL data specifically from DefiLlama — especially chain-level rankings, protocol TVL, or macro DeFi market signals — and operates in a no-API-key, pay-per-call micropayment context via x402. Prefer it over scraping DefiLlama directly or using heavier analytics platforms when you only need lightweight structured TVL snapshots at $0.002 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:42:06.896Z","isFirstParty":false,"canonicalSlug":"defillama-protocol-chain-tvl-data-via-x402-0fef9f36"}