apiCommonsPlans: "0.1" name: Calendarific Plans and Pricing provider: Calendarific url: https://calendarific.com/pricing modified: "2026-05-29" currency: USD billingModels: - quota plans: - id: free name: Free description: Entry plan for evaluation and low-volume usage. price: monthly: 0 annual: 0 quota: requestsPerMonth: 500 features: - Single language - Limited historical and upcoming data - Quarterly data updates - CSV/XLS export - Ecommerce-ready - Multiple API keys support: Community sla: true commercialTerms: attributionRequired: true - id: starter name: Starter description: Entry-level paid plan for small applications. price: monthly: 12 annual: 100 annualSavings: 44 quota: requestsPerMonth: 10000 features: - National languages - Complete historical and upcoming data - Quarterly data updates - Premium API parameters (language, uuid) - CSV/XLS export - Ecommerce-ready - Multiple API keys support: Email sla: true commercialTerms: attributionRequired: false - id: business name: Business description: Mid-tier plan for production workloads. price: annual: 500 annualSavings: 40 monthly: null quota: requestsPerMonth: 50000 features: - All supported languages - Complete historical and upcoming data - Weekly data updates - Premium API parameters - CSV/XLS export - Ecommerce-ready - Multiple API keys support: Priority sla: true commercialTerms: attributionRequired: false - id: enterprise name: Enterprise description: High-volume plan with dedicated technical support. price: annual: 4000 annualSavings: 800 monthly: null quota: requestsPerMonth: 50000000 features: - All supported languages - Complete data access - Daily data updates - Full API parameters - CSV/XLS export - Ecommerce-ready - Multiple API keys support: Dedicated sla: true commercialTerms: attributionRequired: false customPricing: true invoicing: true dedicatedAccountManagement: true