Calendly Product
Calendly API
Calendly API is a Calendly product filed under Online Appointment Scheduling Software. Lifecycle: versioned, 1 version listed, latest v1 (API and webhooks).
Releases and Lifecycle
All Calendly productsRelease and support dates as published by Calendly; dates within the next 12 months are highlighted, past dates dimmed. Retrieved 2026-10-14.
Calendly API 1 version
API v2 is the current API; Calendly publishes no release dates or end dates for it.
| Version | End of life | Source |
|---|---|---|
| v1 (API and webhooks)API v1 retirement | [2] |
Lifecycle Policy
- API v1 retirement. Calendly began phasing out API v1 and v1 webhooks in May 2025 and retired them on 2025-08-27; integrations must use API v2 with OAuth or a personal access token. [2]
Sources 1
- Migrate from API v1 to v2 retrieved 2026-10-14