Use Case

Scheduling & Booking

Appointments, availability, and reservations.

36 providers 133 APIs 34 declared variants

Coordinating time — availability calculation, appointment and reservation booking, resource and shift scheduling, reminders, and the cancellation rules around them.

36 API providers on the APIs.io network offer scheduling & booking. The highest-rated are Microsoft Outlook, Oracle GoldenGate, Microsoft Teams, Mews, Veritas InfoScale.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Strong 11 Solid coverage with minor gaps
Microsoft Outlook Microsoft Outlook is a personal information manager and email client that is part of the Microsoft Office s... 10 APIs 69.4 Oracle GoldenGate Oracle GoldenGate enables real-time data integration and replication in heterogeneous IT environments. Thes... 6 APIs 68.1 Microsoft Teams Microsoft Teams is a collaboration platform that combines workplace chat, meetings, file storage, and appli... 4 APIs 67.0 Mews Mews is a cloud-native hospitality cloud and property management system (PMS) headquartered in Prague, Czec... 5 APIs 66.5 Veritas InfoScale APIs for Veritas InfoScale, an enterprise storage and availability management solution that provides high a... 4 APIs 66.5 Amazon EventBridge Scheduler Amazon EventBridge Scheduler is a fully managed, serverless scheduler that enables you to create, run, and ... 1 API 66.3 Microsoft Azure Functions Azure Functions is a serverless compute platform from Microsoft Azure enabling event-driven code execution ... 2 APIs 63.9 Absentify Absentify is an absence management platform integrated with Microsoft 365 and Microsoft Teams that helps bu... 1 API 62.4 Amadeus Media Amadeus Media provides APIs and data services for accessing travel-related media content, including hotel i... 2 APIs 61.8 Holiday API Holiday API is a commercial reference-data service that delivers verified public holidays, observances, cou... 4 APIs 61.0 Toolhouse Toolhouse is a Backend-as-a-Service platform for building, deploying, and managing "AI workers" (Toolhouse'... 2 APIs 61.0
Developing 19 Usable, with meaningful gaps to close
Citrix NetScaler Citrix NetScaler is an application delivery controller (ADC) that provides load balancing, traffic manageme... 4 APIs 59.3 Workday Tracking System APIs for managing employee time tracking, absence management, and workforce scheduling in the Workday platf... 3 APIs 59.1 Amadeus Reservations Amadeus Reservations provides APIs for creating and managing travel bookings including flight orders, hotel... 5 APIs 58.9 Amadeus Solutions Amadeus is a leading technology partner for the global travel industry, providing technology solutions for ... 4 APIs 58.9 Calendarific Worldwide public holidays REST API covering 230+ countries. Calendarific provides national, local, religiou... 1 API 58.5 Webex Cisco Webex is a comprehensive collaboration platform offering APIs for messaging, meetings, calling, devic... 9 APIs 58.4 Apache James Apache James (Java Apache Mail Enterprise Server) is a portable and enterprise-ready mail server built enti... 2 APIs 58.1 Toast Toast (NYSE: TOST) is a cloud-based restaurant technology platform that unifies point-of-sale (POS), paymen... 19 APIs 57.3 Bifrost Bifrost is a high-performance open-source AI gateway that unifies access to 20+ AI providers through a sing... 3 APIs 56.7 Trakt Trakt is the personal media database for movies and TV. Its API v2 (api.trakt.tv) exposes ~150 endpoints ac... 1 API 56.2 Akri Akri is a CNCF Sandbox project that exposes heterogeneous leaf devices (such as IP cameras and USB devices)... 1 API 55.4 Phonely Phonely is an AI voice agent platform that answers business phone calls in real time with large-language-mo... 2 APIs 55.0 agilent-technologies Agilent Technologies is a global leader in life sciences, diagnostics, and applied chemical markets, provid... 4 APIs 54.9 Microsoft Windows Server APIs and integration points for Microsoft Windows Server operating system including management, networking,... 16 APIs 54.0 AWS Lambda AWS Lambda is a serverless, event-driven compute service that lets you run code for virtually any type of a... 5 APIs 53.2 Apache OpenWhisk Apache OpenWhisk is an open-source serverless cloud platform that executes functions in response to events ... 1 API 52.0 Apache Helix Apache Helix is a generic cluster management framework for partitioned and replicated distributed resources... 2 APIs 48.1 Apache DolphinScheduler Apache DolphinScheduler is a modern distributed and extensible data orchestration platform governed by the ... 1 API 48.0 Azure Load Balancer Azure Load Balancer is a high-performance, low-latency layer-4 load balancing service for distributing inbo... 1 API 47.3
Thin 4 Limited public surface area
Revel Systems Revel Systems is a cloud iPad-based POS for restaurants and retailers. The Revel Open API exposes products,... 2 APIs 44.3 Amazon Aurora Amazon Aurora is a MySQL and PostgreSQL-compatible relational database built for the cloud that combines th... 1 API 37.3 Americold Realty Trust Americold Realty Trust is a global leader in temperature-controlled logistics, real estate, and value-added... 2 APIs 35.2 SevenRooms SevenRooms is a guest experience, reservations, and retention platform for the hospitality industry, helpin... 1 API 33.7
Emerging 2 Early or largely undocumented
Berkshire Hathaway Berkshire Hathaway is a multinational conglomerate holding company headquartered in Omaha, Nebraska. The co... 1 API 20.0 TouchBistro TouchBistro is an iPad-based restaurant point-of-sale (POS) and management platform covering payments, onli... 1 API 19.3

What Providers Actually Declared

This use case is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

Active-active database replication for high availabilityApplication High AvailabilityAutomated Worker SchedulingBatch Job SchedulingCalendar and Scheduling AppsCalendar integrationsCustom Booking EngineDistributed Task SchedulingDistributing web traffic across backend servers for high availabilityDock Appointment SchedulingDynamic Hardware Resource SchedulingEcommerce SchedulingEnterprise applications requiring high availability and durabilityFlight Search and Booking EngineFreight Pricing and SchedulingHealthcare appointment scheduling and intake with HIPAA BAAHigh Availability AIHigh Availability DeploymentsHigh-Availability MailHotel Booking Engine ContentLabor and SchedulingLaboratory Scheduling IntegrationMeeting SchedulingMeeting Scheduling IntegrationOnline Travel Agency Booking EnginePayroll & SchedulingProgrammatic Availability & BookingSQL and Analytics SchedulingScheduled TasksScheduling meetings and managing calendars programmaticallyStaff Scheduling and PayrollTeam SchedulingWeb Application High AvailabilityWorkforce Scheduling

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