{"uid":"cap_y6EiPkNNTZExOzsO7tTgh","slug":"x402-toolbox-date-add-subtract-74d22a31","name":"x402-toolbox Date Add/Subtract","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/time/date-add-subtract?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"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_FOj0OInkl1iHheH15PNW1","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":"Adds or subtracts a duration from a given date, returning the resulting date — paid per call via USDC on Base with no signup required.","exampleAgentPrompt":"What date is exactly 90 days from today? Use the date add/subtract tool to calculate it.","exampleUseCases":[{"title":"Contract deadline calculation","prompt":"My contract starts on March 1st 2025 and is valid for 180 days — what is the exact expiry date?"},{"title":"Subscription renewal reminder","prompt":"If a user subscribed on January 15th 2025 for a 1-year plan, what date does their subscription expire?"},{"title":"Past date lookup","prompt":"What was the date exactly 6 months before November 20th 2024?"}],"resultDescription":"Returns a JSON object with ok: true and the computed resulting date after applying the specified addition or subtraction to the input date.","failureModes":["Invalid date format returns an error response","Missing required date or duration parameter results in bad request","Unsupported time unit may return an error","Network or payment failure on x402 protocol results in 402 response if payment is not settled"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, serverless, pay-per-call date arithmetic operation with no authentication overhead — ideal for AI agents that need to compute deadlines, expiry dates, or historical offsets on the fly without managing API keys or subscriptions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T06:48:01.183Z","isFirstParty":false,"canonicalSlug":"x402-toolbox-date-add-subtract-74d22a31"}