API v1.19

Released between July 2025 and February 2026. 72 releases covering webhooks, forms, caching, and infrastructure improvements.

Highlights

Webhook improvements

  • Webhook event filtering with Hookdeck integration
  • Archive/unarchive webhooks using disable/enable pattern
  • Webhook domain validation from configuration
  • Event checking on webhook creation

Forms

  • Subscription form endpoints with enable/disable support
  • Form impersonation context fixes
  • Enhanced form creation and management

Email API

  • Return email address in Email API v2 send response
  • Subject parameter support for email sending

Performance and infrastructure

  • Cache with thundering herd protection
  • ClickHouse database support
  • Hookdeck API upgrades
  • Gunicorn timing and timeout defaults
  • File descriptor collision fixes

Authentication

  • MFA challenge expiration seconds support
  • Token refresh with configurable expiration