{"uid":"cap_nJWxE4zHH8JXUqqyGidLG","slug":"delx-commerce-block-time-eta-calculator-33b00c80","name":"Delx Commerce Block Time ETA Calculator","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/block-time-eta?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"blocks":{"type":"integer","description":"Input field: blocks."},"seconds_per_block":{"type":"integer","description":"Input field: seconds per block."}}},"responseSchema":{"type":"json","example":{"blocks":10,"schema":"delx/util-block-time-eta/v1","eta_seconds":20,"seconds_per_block":2}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FLS8IcnkZ61KaMWUmSB6P","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the estimated time in seconds for a given number of blockchain blocks to be produced, given a seconds-per-block rate","exampleAgentPrompt":"How long will it take for 25 blocks to be confirmed on a blockchain where each block takes 12 seconds?","exampleUseCases":[{"title":"Estimate DeFi lock expiry time","prompt":"My DeFi position unlocks in 200 blocks and the chain produces a new block every 13 seconds — how many seconds is that?"},{"title":"Monitor NFT auction block deadline","prompt":"An NFT auction ends in 50 blocks and the average block time is 2 seconds — how long do I have left in seconds?"},{"title":"Calculate cross-chain bridge confirmation wait","prompt":"The bridge needs 64 block confirmations and Ethereum's average block time is 12 seconds — tell me the ETA in seconds so I know how long to wait."}],"resultDescription":"Returns a JSON object containing the input block count, the seconds-per-block value used, and the computed ETA in seconds (blocks × seconds_per_block), tagged with a schema identifier 'delx/util-block-time-eta/v1'.","failureModes":["Missing required 'blocks' or 'seconds_per_block' fields returns a validation error","Non-integer values for either field may cause a type error","Zero or negative values for seconds_per_block may produce nonsensical or error results","Payment failure via x402 protocol results in 402 response before computation occurs"],"whenToPreferThis":"Use this endpoint when an agent needs a quick, cheap, stateless conversion from a block count to a wall-clock duration estimate and already knows the target chain's average block time. It is ideal for blockchain-aware agents that need to surface human-readable time estimates from on-chain block deltas without querying a node directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:48.054Z","isFirstParty":false,"canonicalSlug":"delx-commerce-block-time-eta-calculator-33b00c80"}