Calendly lists 24 features. How many does your team use?

Scheduling core is buildable, but calendar sync, AI assistant Callie, transcription-based Notetaker, and 150+ integrations are not replicable without outside services and ecosystems.

Scheduling & availability

• Booking links and event types
  Create one-on-one, multi-host, and group meeting templates that invitees can book from a shared link.
• Calendar connection and conflict avoidance
  Connect Google, Outlook, or Microsoft calendars so only free times are offered.
  Needs an outside service: Google Calendar and Microsoft Graph APIs. Requires Google and Microsoft OAuth app registration and sync.
• Availability rules
  Set preferred hours, daily limits, buffers, breaks, and custom schedules.
• Reschedule and cancel
  Invitees can change or cancel bookings without back-and-forth.
• Meeting polls
  Let invitees vote on candidate times for a group meeting.

Routing & website booking

• Website embeds
  Embed booking widgets on your own website.
• Lead routing forms
  Qualify visitors with a form and route them to the right team member.
• Meeting distribution across team
  Distribute bookings among team members using round-robin or similar rules.

Reminders & notifications

• Email reminders and follow-ups
  Send automated booking confirmations, reminders, and follow-up emails.
  Needs an outside service: Resend.
• Text message reminders
  Send SMS reminders to reduce no-shows.
  Needs an outside service: Twilio. Requires an SMS provider account; costs per message.

Payments

• Upfront meeting payments
  Collect payment when a client books a meeting.
  Needs an outside service: Stripe. Built on Stripe.
• Meeting packages
  Sell multi-session bundles clients buy once and schedule over time.
  Needs an outside service: Stripe. Built on Stripe.
• Invoices and payment links
  Create branded invoices, payment links, installments, and reminders.
  Needs an outside service: Stripe + Resend. Built on Stripe with email delivery.

Contacts & CRM

• Contact records and meeting history
  Store contact details and see each contact's meeting history in one place.
• CRM sync
  Sync contacts and recaps to an external CRM.
  Simplified version. Only custom integrations with named CRMs; no prebuilt connector catalog.

AI assistant (Callie)

• Email-thread AI scheduling agent
  An AI assistant added to email threads that coordinates meeting times.
  Needs an outside service: OpenAI or Anthropic API + Gmail API and Microsoft Graph. Possible with an LLM and inbox integration, but not the same product; needs mailbox sync and AI costs.
• Meeting prep and recall Q&A
  Ask questions about contacts and past meeting recaps.
  Needs an outside service: OpenAI or Anthropic API. Basic question answering over stored notes; no custom-trained models.

Notetaker

• Meeting transcription and recaps
  Join Zoom, Google Meet, or Teams calls, transcribe, and produce summaries and action items.
  We can't build this. Needs bots joining third-party video calls and transcription services; not buildable as a self-run feature.
• Pre-drafted follow-up emails
  Draft follow-up emails from recaps.
  Needs an outside service: OpenAI or Anthropic API + Resend. Drafts depend on a recap; cannot be produced without a transcript.

Integrations

• Google, Microsoft, and video tool integrations
  Connect to Google Calendar, Outlook, Teams, Zoom and 150+ other tools.
  Needs an outside service: Google Calendar and Microsoft Graph APIs. Only a few custom integrations; a 150+ catalog is not realistic.
• Browser extension and mobile app
  One-click access from the browser and native mobile scheduling.
  Simplified version. Mobile app can be built with Expo; browser extension itself is not included, only a web app.

Admin & security

• Team roles and permissions
  Add teammates, set permissions, and manage access.
• Enterprise SSO
  Single sign-on for enterprise accounts.
  Needs an outside service: WorkOS. SSO is possible but requires enterprise identity provider setup.
• Analytics dashboards
  Reports on bookings and meeting activity.

What you’d bring

We write all the code. These features only work on outside services, and those accounts are yours to open and pay for directly.

What we can’t build

• Meeting transcription and recaps. Needs bots joining third-party video calls and transcription services; not buildable as a self-run feature.

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