{"uid":"cap_VM4Ovaip7iBElUQ3tYni6","slug":"poolproof-chain-liveness-check-77d177d9","name":"PoolProof Chain Liveness Check","description":"Is this chain alive: TVL trend over 1y/6m/90d/30d","url":"https://poolproof.ru/v1/chain","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"ok":{"type":"boolean"},"flags":{"type":"array","items":{"type":"object","properties":{"msg":{"type":"string"},"code":{"type":"string"}}},"description":"Empty means nothing failed the checks"},"verdict":{"type":"string"},"disclaimer":{"type":"string"}}},"description":"TVL across 1y/6m/90d/30d windows. Separates a quiet ecosystem from an abandoned one. Flags COLLAPSED, STILL_FALLING, TINY."},"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_V2bP7Bqpy5jsKFACJJF9L","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":"Analyzes whether a blockchain is still alive by examining TVL trends across 1-year, 6-month, 90-day, and 30-day windows, flagging collapsed or declining ecosystems.","exampleAgentPrompt":"Is the Fantom chain still alive? Check its TVL trend over the last year and flag it if it's collapsed, still falling, or just tiny.","exampleUseCases":[{"title":"Pre-deployment chain viability check","prompt":"Before we deploy our new DeFi protocol on Celo, can you check if the chain is still alive — look at the TVL trend over the past year and tell me if it's flagged as collapsed, falling, or too small to matter?"},{"title":"Filtering dead chains from a yield aggregator","prompt":"I'm building a list of chains to include in our yield aggregator — can you run a liveness check on Moonbeam and tell me if its TVL trend shows it's abandoned or just quiet?"},{"title":"Investor due diligence on alt-chain ecosystem","prompt":"I'm considering putting capital into a project on Metis — can you check whether the Metis chain is actually still alive, what direction the TVL is trending over the last 6 months, and whether it's flagged as COLLAPSED or STILL_FALLING?"}],"resultDescription":"Returns a JSON object with an 'ok' boolean, a 'verdict' string summarizing chain liveness, a 'disclaimer', and a 'flags' array of objects containing 'code' and 'msg' fields. Flag codes include COLLAPSED, STILL_FALLING, and TINY. An empty flags array means the chain passed all checks.","failureModes":["Unknown or unsupported chain identifier returns an error or empty verdict","Chain with no indexed TVL history may return insufficient data","Misspelled chain name may fail to resolve to a known chain","Newly launched chains may lack enough historical windows to render a verdict"],"whenToPreferThis":"Use this endpoint when you need a structured, multi-window TVL-based verdict on whether a blockchain is still viable — not just a current TVL snapshot. It is especially valuable when you need categorical flags (COLLAPSED, STILL_FALLING, TINY) to programmatically filter out dead or dying chains before routing capital, deploying contracts, or sourcing yield opportunities. Prefer this over raw TVL APIs when you need pre-computed trend analysis and risk flags rather than raw numbers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:33:44.839Z","isFirstParty":false}