{"uid":"cap_-0C-nTO2mZg12VUsvA03l","slug":"basic-utils-agent-day-of-week-6d4ddc2a","name":"Basic Utils Agent – Day of Week","description":"A versatile utility agent offering calculator, statistics, datetime, and unit conversion services.","url":"https://basic-utils-agent.up.railway.app/datetime/day-of-week","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"date":{"anyOf":[{"type":"string","format":"date-time"},{"type":"null"}],"default":null,"description":"The base date for the operation (required for add, subtract, difference, and day-of-week operations)"},"days":{"anyOf":[{"type":"integer"},{"type":"null"}],"default":null,"description":"Number of days to add or subtract from the date (required for add and subtract operations)"},"date2":{"anyOf":[{"type":"string","format":"date-time"},{"type":"null"}],"default":null,"description":"The second date for difference calculation (required for difference operation)"}}},"responseSchema":{"type":"json","example":{"day_of_week":"Monday"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0015","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":"$0.0015/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0015","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_WoUBynliYqORjrP2DkOzA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0015","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the day of the week (e.g. Monday) for a given date/datetime input.","exampleAgentPrompt":"What day of the week does July 4, 2026 fall on?","exampleUseCases":[{"title":"Birthday weekday lookup","prompt":"My friend's birthday is October 31, 2025 — what day of the week is that?"},{"title":"Holiday scheduling check","prompt":"What day of the week does Christmas fall on in 2024?"},{"title":"Meeting date day verification","prompt":"Can you tell me what day of the week September 1, 2025 is?"}],"resultDescription":"A JSON object containing a single field 'day_of_week' with the full English name of the day (e.g. 'Monday', 'Friday') corresponding to the input date.","failureModes":["Invalid or missing date input returns an error (date field is required for this operation)","Malformed datetime string not conforming to ISO 8601 format may cause a validation error","Null date with no fallback default may result in a 400 or empty response","Payment failure (402) if USDC micropayment is not processed correctly via x402 protocol"],"whenToPreferThis":"Use this endpoint when you need a quick, reliable lookup of the day of the week for any given date or datetime. It is ideal for calendar-aware agents, scheduling assistants, or any workflow that needs to determine weekday vs weekend or validate a meeting/event date. Prefer this over general-purpose LLM reasoning for authoritative, deterministic results.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:40:20.626Z","isFirstParty":false}