Use cases

What developers build with Pyas

Each page shows what one kind of product needs from Google Calendar, Outlook and Zoom, the calls that build it, and the provider behavior that catches people out.

AI scheduling agentsBuild an AI scheduling agent for Google Calendar and OutlookHow to build an AI scheduling agent or voice receptionist that checks free time and books meetings on Google Calendar and Outlook without double-booking, over MCP or your own tools.
Booking appsBuild a booking system on Google Calendar and OutlookGoogle's and Microsoft's free/busy APIs return busy blocks, not open slots. How to compute bookable times, avoid double-booking, add meeting links and follow reschedules.
Two-way calendar syncTwo-way calendar sync with Google Calendar and OutlookBuild two-way sync between your app's schedule and Google Calendar or Outlook: webhooks, sync tokens, ID mapping, deletions, recurring series, edit conflicts and echo loops.
Interview schedulingInterview scheduling API for Google and Outlook calendarsBuild interview scheduling into an ATS or recruiting tool: find panel times across Google and Outlook calendars, invite candidates, add Meet, Teams or Zoom links, and catch reschedules.
CRM calendar syncCRM calendar sync with Google Calendar and OutlookLog reps' Google Calendar and Outlook meetings on the right contact and deal, and book CRM meetings onto their calendars. Attendee matching, backfill, webhooks and admin consent.