Calendar and Booking Integrations

We start by mapping your current appointment flow and tools. Where do bookings start: a website form, a booking page, a phone call, WhatsApp, a CRM? Where must they end up: staff calendars, a team calendar, the CRM, invoices, reminders? Which tools hold the truth about availability? We list each tool, plan or licence, and check whether it offers integrations, an API or compatible automation connectors. We also look for conflicts, such as staff keeping personal calendars separately or different time zones. Next we design the data flow. Typically one system is the source of truth for availability, usually a main calendar, and booking tools read from it so they never offer a taken slot. When a booking is made, the event is created on the right staff calendar with details, location or meeting link and a reminder. The booking also creates or updates a CRM contact, logs an activity and moves a deal to the right stage. When a booking changes or is cancelled, the same changes apply everywhere. We decide which fields travel in which direction, to avoid loops where two systems overwrite each other. We set up the connections using native integrations where they are reliable and workflow tools such as Zapier, Make or custom scripts where needed. For Google Workspace we may use Calendar APIs or Apps Script; for Microsoft 365, Graph-based connectors. We handle time zones carefully, setting a clear default and showing local times to customers abroad. We configure video meeting creation, so each booking has a unique link included in confirmations and calendar entries. We add rules for resources, for example meeting rooms or equipment, so they are blocked as well as people. We also include error handling: if a connection fails, the team is alerted and bookings are logged for manual review, so none disappear. We test with realistic scenarios, including reschedules, cancellations, overlapping events, all-day events, daylight-saving differences and different calendar apps on phones. We document how everything is connected and how to reconnect if a password or permission changes. After launch, we monitor for sync issues for a few weeks. We cannot guarantee that third-party services will never change or fail, and some integrations depend on plan levels you may need to upgrade, but a clear design with monitoring greatly reduces missed or conflicting bookings. For reminders after booking, see appointment reminders.