Product Overview
Calendly is a scheduling automation platform that eliminates back-and-forth email coordination by letting users share customizable booking links tied to their real-time calendar availability.
Calendly is a cloud-based scheduling tool designed for professionals, teams, and organizations seeking to reduce manual coordination overhead. It integrates natively with Google Calendar, Outlook, and Office 365 to reflect live availability, automatically blocking time slots when meetings are scheduled or calendar events occur.
How does Calendly prevent double-booking?
Calendly syncs bidirectionally with connected calendars: when a user books a slot via a Calendly link, the event is written directly into the host’s calendar with a unique identifier; concurrent edits or external changes trigger immediate recalculations of available slots, ensuring no overlapping bookings occur across platforms.
Each Calendly account supports unlimited booking links, customizable branding, and timezone-aware scheduling—displaying local times for invitees regardless of their geographic location or the host’s configured timezone.
- Syncs in real time with Google Calendar, Microsoft Outlook, and Office 365
- Supports 24+ languages and automatic timezone detection for global invitees
- Offers 100+ prebuilt templates for sales, support, interviews, and onboarding
Core Functionality
Calendly enables automated scheduling through customizable booking pages, group availability matching, automated reminders, and post-meeting follow-up triggers—all without requiring invitees to log in or install software.
Calendly operates as a zero-login scheduling layer: invitees select available time slots from a public-facing page and submit contact details, after which Calendly creates calendar events for both parties and sends confirmation emails with Zoom/Google Meet links if configured.
Can Calendly handle team scheduling with shared availability?
Yes—Calendly Teams allows administrators to define group availability rules (e.g., 'any 30-minute slot where at least two team members are free'), assign routing logic (round-robin, load-balanced, or custom), and enforce capacity limits per member. Each team member retains individual calendar sync and notification settings.
Automated reminders are sent 24 hours and 15 minutes before meetings using configurable templates. Post-meeting workflows—such as sending NPS surveys or Slack notifications—trigger based on event completion, not just creation.
- Team scheduling supports up to 100 members with dynamic availability pooling
- Reminder emails deliver at two fixed intervals: 24h and 15m pre-meeting
- Post-event triggers execute only after calendar event status changes to 'confirmed'
Integration Capabilities
Calendly offers 1,200+ native integrations via Zapier, native two-way sync with CRM platforms (Salesforce, HubSpot), and embedded API access for custom workflow orchestration.
Calendly provides three integration tiers: native one-click connectors (e.g., Salesforce, HubSpot, Zoom), webhooks for real-time event payloads (booking created, canceled, rescheduled), and a RESTful API supporting OAuth 2.0 authentication and rate limits of 1,000 requests/hour per authenticated application.
Does Calendly write data back to CRMs after bookings?
Yes—when enabled, Calendly pushes booking metadata (invitee name, email, custom fields, meeting time) to supported CRMs as new records or updates to existing contacts. In Salesforce, this creates an Event record linked to the Contact or Lead; in HubSpot, it generates a Meeting record associated with the contact timeline.
Webhook payloads include ISO 8601 timestamps, UTC-aligned start/end times, and full attendee details. All integrations respect GDPR-compliant data handling: personally identifiable information is never stored outside Calendly’s SOC 2-certified infrastructure unless explicitly forwarded via customer-configured endpoints.
- Native CRM sync writes booking data to Salesforce Events or HubSpot Meetings objects
- Webhook delivery guarantees <1s median latency with retry logic for failed endpoints
- API rate limit: 1,000 requests/hour per OAuth client ID
Security & Compliance
Calendly maintains SOC 2 Type II certification, encrypts all data at rest (AES-256) and in transit (TLS 1.2+), and undergoes annual third-party penetration testing with public reports available to enterprise customers.
Calendly stores all calendar and booking data in AWS us-east-1 and us-west-2 regions, with encryption keys managed via AWS KMS. Data residency is configurable per organization: enterprise customers may restrict storage to US-only regions or request EU-hosted instances under GDPR Article 28 agreements.
Is Calendly HIPAA-compliant for healthcare scheduling?
No—Calendly does not sign Business Associate Agreements (BAAs) and is not certified for HIPAA-covered entity use. While data is encrypted and access-controlled, Calendly lacks audit logging granularity required for PHI handling (e.g., per-field change tracking, mandatory session timeouts). Healthcare providers must use HIPAA-compliant alternatives for patient-facing appointment booking.
All Calendly accounts enforce SSO (SAML 2.0) and MFA for admin roles. Session durations default to 12 hours and can be reduced to 30 minutes via enterprise policy. Password policies require 8+ characters with no dictionary words and expire every 90 days.
- SOC 2 Type II report available upon signed NDA for enterprise customers
- All traffic enforces TLS 1.2+; legacy TLS 1.0/1.1 disabled since March 2022
- SSO and MFA enforced for all roles with administrative privileges
常见问题
Does Calendly offer a free plan?+
How many time zones does Calendly support?+
Can I embed a Calendly booking widget on my website?+
What happens if my calendar goes offline during a booking?+
Do Calendly reminders support SMS delivery?+
Was this manual helpful?