{"uid":"cap_ZlcetNLgsKrdhh6Cady55","slug":"delx-evm-deadline-check-39f61c4b","name":"Delx EVM Deadline Check","description":"EVM Deadline Check: EVM Deadline Check checks a transaction deadline against current time and minimum lead time from bounded caller-supplied values without an external provider. Call EVM Deadline Check before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Deadline Check as versioned deterministic JSON. Price: $0.001 USDC…","url":"https://api.delx.ai/api/v1/x402/evm-deadline-check","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"now_epoch":{"type":"integer","description":"Now Epoch supplied to EVM Deadline Check; used only for this bounded calculation and processed in memory without retention."},"deadline_epoch":{"type":"integer","description":"Deadline Epoch supplied to EVM Deadline Check; used only for this bounded calculation and processed in memory without retention."},"minimum_lead_seconds":{"type":"integer","description":"Minimum Lead Seconds supplied to EVM Deadline Check; used only for this bounded calculation and processed in memory without retention."}}},"responseSchema":{"type":"json","example":{"result":{"lead_seconds":300,"within_window":true,"maximum_lead_seconds":9223372036854776000,"minimum_lead_seconds":60},"schema":"delx/util-evm-deadline-check/v1","status":"pass","evidence":{"retained":false,"input_sha256":"6837bc595d9c82af4770ef6b89ff2cab040826dc0d84c5e6251a7516cefbedb6","external_calls":0},"operation":"evm_preflight:evm_deadline_check"}},"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_xa6DWPertjACMTZ_17GRn","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":"Validates whether an EVM transaction deadline is still actionable given a current timestamp and minimum lead-time requirement.","exampleAgentPrompt":"Before submitting this EVM transaction, check if the deadline at epoch 1720000000 is still valid — the current time is epoch 1719999700 and I need at least 60 seconds of lead time.","exampleUseCases":[{"title":"DeFi swap preflight timing check","prompt":"I'm about to execute a token swap on-chain with a deadline of epoch 1720005000. The current epoch is 1720004600. Can you check if there's still enough time — I need at least 120 seconds of lead time before the deadline?"},{"title":"Automated agent transaction gating","prompt":"Before my agent submits this EVM transaction, verify the deadline epoch 1720100000 is still actionable given the current epoch 1720099800 and a minimum lead requirement of 90 seconds."},{"title":"Smart contract deadline validation pipeline","prompt":"I'm building a pipeline that validates EVM deadlines before every on-chain call — check whether epoch 1720200500 is within a valid window if now is epoch 1720200000 and I need at least 60 seconds of runway."}],"resultDescription":"Returns a JSON object with the computed lead_seconds (difference between deadline and now), a within_window boolean indicating if the deadline is still actionable given the minimum lead requirement, the minimum and maximum lead seconds bounds, a pass/fail status, and an evidence block confirming no data was retained and no external calls were made.","failureModes":["Invalid or missing now_epoch, deadline_epoch, or minimum_lead_seconds fields result in a validation error","Deadline already passed (lead_seconds negative) returns within_window: false with status fail","Minimum lead time not met returns within_window: false even if deadline is in the future","Malformed integer inputs may cause a 400 Bad Request"],"whenToPreferThis":"Use this endpoint when an AI agent or automated pipeline needs to preflight-check EVM transaction deadlines before submission — particularly in DeFi, on-chain automation, or smart contract workflows where submitting after a deadline wastes gas and fails on-chain. Prefer this over manual arithmetic when the check needs to be auditable (evidence block with input hash), stateless, and provably non-retaining.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T07:14:49.684Z","isFirstParty":false}