{"uid":"cap_j3eflaYwm9QGCKFgTKTVg","slug":"globalrules-week-start-day-by-country-a99ef2a2","name":"GlobalRules – Week Start Day by Country","description":"One specific fact for one country: VAT/GST rate, public holidays by country, visa requirements for travelers, tipping customs, power plug type, minimum wage, corporate tax, digital nomad visa, customs duty-free allowance and more. 138 countries, 55 fields, verified sources. Example: /api/v1/country/JP/vat","url":"https://globalrules-api.onrender.com/api/v1/country/IN/week_start","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"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"country":{"type":"string"},"updated":{"type":"string"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4Y-yzCLckU8AEeRxhj6Lj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the conventional first day of the week (e.g. Sunday or Monday) for a specified country","exampleAgentPrompt":"What day does the week start in India — is it Sunday or Monday? I need the official week start convention for IN so I can localize my calendar correctly.","exampleUseCases":[{"title":"Calendar app localization for India","prompt":"I'm building a calendar app and need to know what day the week starts in India — can you look up the week start convention for IN so I display the correct first column?"},{"title":"Scheduling tool international support","prompt":"My scheduling tool needs to show the right week layout for users in India. What's the first day of the week there — Sunday, Monday, or something else?"},{"title":"Cross-country calendar comparison","prompt":"I'm comparing how weeks are laid out across different countries. What day does the week officially start in India?"}],"resultDescription":"A JSON object containing the country code (e.g. 'IN'), the week start day (e.g. 'Sunday' or 'Monday'), and an 'updated' timestamp indicating when the data was last verified.","failureModes":["Invalid or unsupported country code returns an error or empty result","Country code not among the 106 supported countries returns a not-found response","Network timeout from the hosted Render.com service during cold start","Payment failure (x402) if USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you need a single, verified, structured fact about the week start convention for a specific country, especially for calendar localization, scheduling tools, or international apps. It is more reliable than scraping Wikipedia or inferring from locale strings, and cheaper than calling a general-purpose LLM for country facts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:43:32.096Z","isFirstParty":false}