{"uid":"cap_UEW3ELDhTuPFu6G7TuLYD","slug":"chain-rank-momentum-api-x402-78cdb892","name":"Chain Rank & Momentum API (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/api/v1/chains/chain-rank?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":{"sort":{"enum":["momentum","tvl","volume"],"type":"string","description":"Ranking key (default momentum)"},"chain":{"type":"string","examples":["Base"],"maxLength":40,"description":"Optional chain to focus, e.g. Base, Solana, Hyperliquid"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"next":["/crypto/defi-tvl?chain=Base","/crypto/gas-compare"],"sort":"momentum","focus":{"rank":1,"chain":"Base","trend":"GROWING"},"chains":[{"rank":1,"chain":"Base","flags":[],"trend":"GROWING","tvl_usd":5780000000,"chain_id":8453,"tvl_flow":"flat","tvl_usd_rank":3,"tvl_share_pct":5.1,"momentum_score":11.1,"dex_volume_7d_usd":6848442299,"tvl_change_7d_pct":2.1,"dex_volume_24h_usd":1466645030,"dex_volume_30d_usd":29794587087,"tvl_change_30d_pct":4,"momentum_score_rank":1,"dex_volume_7d_usd_rank":4,"dex_change_7d_over_7d_pct":16.9,"dex_change_30d_over_30d_pct":10.17}],"source":"DefiLlama DEX volume + chain TVL (10 min cache)","summary":{"growing":["Base"],"shrinking":[],"biggest_by_tvl":"Ethereum","busiest_dex_7d":"Solana","fastest_growing":"Base"},"updated_at":"2026-10-30T07:30:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9TuglWZCx3IRb3G9V1lDa","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","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 blockchain networks sorted by momentum, TVL, or DEX volume, including trend signals and market share data, paid per-call via USDC on Base.","exampleAgentPrompt":"Which blockchain has the highest momentum right now — can you rank the top chains by momentum score and tell me if Base is growing or shrinking?","exampleUseCases":[{"title":"Chain selection for DeFi deployment","prompt":"I'm about to deploy a liquidity strategy — which chain has the best momentum and TVL growth right now? Sort by momentum and tell me the top 3."},{"title":"Onchain trading routing decision","prompt":"Before I place a large DEX trade, show me which chains have the highest 7-day volume so I can route to the most liquid one."},{"title":"Portfolio rebalancing signal scan","prompt":"Is Base still the fastest-growing chain by TVL this week, or has another chain taken the lead? Give me the current chain rankings sorted by TVL."}],"resultDescription":"A JSON object containing an ordered array of blockchain networks each with rank, momentum score, TVL in USD, 24h/7d/30d DEX volumes, TVL change percentages, and trend labels (GROWING/SHRINKING). Also includes a summary with biggest-by-TVL, busiest DEX chain, and fastest-growing chain, plus DefiLlama-sourced data timestamp and suggested next API calls.","failureModes":["Invalid sort enum value returns error or default fallback","Unknown chain name in 'chain' filter may return empty focus object","Payment failure via x402 results in HTTP 402 before data is served","Data may be up to 10 minutes stale due to cache TTL","Missing required 'input' wrapper in request body causes schema validation error"],"whenToPreferThis":"Choose this endpoint when an AI agent needs real-time cross-chain ranking and momentum signals without managing API keys — ideal for trading bots, DeFi routing agents, and portfolio managers that operate autonomously and can pay $0.003 USDC per call via x402. Prefer this over manual DefiLlama API integration when you need pre-aggregated momentum scores, trend labels, and next-step navigation hints in a single low-cost call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:39.286Z","isFirstParty":false,"canonicalSlug":"chain-rank-momentum-api-x402-78cdb892"}