{"uid":"cap_FbNQvwOqLY_gzualPhtx8","slug":"webref-time-describe-instant-bafd104a","name":"WebRef Time Describe Instant","description":"Web standards and time reference for AI agents: HTTP status codes with what the client should do, retry semantics, MIME types and content-type matching, request-method safety and idempotency, plus deadline arithmetic - time until a moment, weekday and business-day checks, duration conversion and Unix timestamps. Pay per call in USDC on Base via x402 or USDC on Tempo via MPP. No signup, no API key, no KYC.","url":"https://webref.johnaio281.workers.dev/api/time/describe_instant?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","HEAD","DELETE"],"type":"string"},"queryParams":{"at":{"def":{"type":"string"},"type":"string"},"type":"object","timezone":{"def":{"type":"default","innerType":{"def":{"type":"enum","entries":{"utc":"utc","tehran":"tehran"}},"enum":{"utc":"utc","tehran":"tehran"},"type":"enum","options":["utc","tehran"]},"defaultValue":"utc"},"type":"default"}}},"additionalProperties":false}}},"responseSchema":null,"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_MyHEGKXqyyP-KQWT_gXm5","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 human-readable description of a specific moment in time, including weekday, business-day status, and timezone context","exampleAgentPrompt":"Describe the instant '2025-06-15T09:30:00Z' for me — tell me what day of the week it is, whether it's a business day, and give me the UTC timezone context.","exampleUseCases":[{"title":"Business day check for scheduling","prompt":"Is 2025-12-25T00:00:00Z a business day in UTC? Describe that instant for me so I know whether to schedule a payment run on that date."},{"title":"Weekday lookup for a future date","prompt":"What day of the week is 2026-01-01T12:00:00Z? Give me a full description of that moment in UTC."},{"title":"Tehran timezone instant description","prompt":"Describe the instant 2025-03-20T20:29:00Z in the Tehran timezone — I want to know the weekday and whether it's a business day there."}],"resultDescription":"Returns a structured description of the requested instant, including the day of the week, whether it falls on a business day, the resolved timezone, and a human-readable summary of the moment. May also include Unix timestamp and ISO 8601 representation.","failureModes":["Missing or malformed 'at' query parameter returns an error about invalid input","Unsupported timezone value (not 'utc' or 'tehran') returns a validation error","Invalid HTTP method (e.g. POST) returns 405 Method Not Allowed","Unparseable timestamp string returns a 400 Bad Request","Payment not received results in a 402 Payment Required response"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call lookup of what a specific timestamp represents — its weekday, business-day status, and timezone label — without needing to set up credentials or an API key. Particularly useful for agents handling scheduling, deadline checks, or calendar logic that need authoritative time-context data on demand.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:38:06.516Z","isFirstParty":false,"canonicalSlug":"webref-time-describe-instant-bafd104a"}