{"uid":"cap_tXAWHkm0LzcHqkHNViRMb","slug":"defi-overview-crypto-microdata-for-agents-x402-99726bd0","name":"DeFi Overview — Crypto Microdata for Agents (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/v1/defi-overview?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_VVUE19ooHshULBEeEvGr0","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 a DeFi ecosystem overview including total TVL, per-chain TVL rankings, 1d/7d/30d flow changes, and a directional signal, paid per-call via x402 USDC micropayment on Base.","exampleAgentPrompt":"Give me a DeFi market overview — total TVL, where Base ranks among all chains, and whether capital flow looks bullish or neutral right now, showing the top 15 chains.","exampleUseCases":[{"title":"DeFi market health check for trading bot","prompt":"Before executing my DeFi trade, pull the current total DeFi TVL, the 7-day flow trend, and the overall market signal so I know if conditions are favorable."},{"title":"Base chain TVL monitoring","prompt":"What is Base's current TVL in USD, its rank among all chains, and how has it changed over the past 7 and 30 days?"},{"title":"Top chains leaderboard for portfolio dashboard","prompt":"Show me the top 20 DeFi chains ranked by TVL with their share percentages and 7-day changes — I want to see where liquidity is concentrated right now."}],"resultDescription":"Returns a JSON object with: global DeFi TVL and 1d/7d/30d percentage changes, a flow label (flat/inflow/outflow), a directional signal (e.g. NEUTRAL), per-chain data for the requested chain (TVL, rank, chain ID, date), a ranked list of top chains, human-readable reasons array, data source URL, timestamp, and suggested next endpoint paths.","failureModes":["Unknown chain name returns empty or null chain object","Invalid protocol slug returns no protocol-specific data","Limit out of range (>50 or <1) returns validation error","Payment failure via x402 returns 402 with payment details","Stale data if DefiLlama upstream is delayed","Workers.dev cold start may add latency on first call"],"whenToPreferThis":"Choose this endpoint when an AI agent needs a broad DeFi market snapshot — total TVL, chain rankings, and flow signals — in a single no-API-key call paid by USDC micropayment. Prefer it over full DefiLlama API integration when you want ultra-low-cost pay-per-use access without account setup, or when the agent needs a pre-digested signal (NEUTRAL/BULLISH/BEARISH) rather than raw data. Best for onchain trading agents, portfolio dashboards, and market-condition checks before executing DeFi transactions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:42:21.652Z","isFirstParty":false,"canonicalSlug":"defi-overview-crypto-microdata-for-agents-x402-99726bd0"}