Developer Changelog

Add chat message media data support for meetings and webinars, meeting-type scoping for auto-start, and an Always allow in my meetings option for host approval.

Added need response field for Quote API.

Starting on November 15, 2026, RTMS will require TLS version 1.2 or 1.3 on all connections.

New response fields for Quote APIs.

Add REST API support for starting RTMS for meeting participants, add chat message media data support with 5 new event types for meetings and webinars, updates to protocol definitions including new and updated enums, improve PSTN user identification for simultaneous participants.

New response and request fields added to the following APIs : Order, Billing, Quotes, and Subscription.

New Product Catalog APIs

Add fields to existing rtms_started webhook events, add parameter to the signaling handshake request, updates to the audio, video, and screen share events, and add new ZCC-Voice event type.

New request fileld for Product Catalog API

Added enhancements to Subscription API.

New response fields in the multiple Quote and Order APIs. New request fields in multiple Quote, Order, and Account Management APIs.

New RTMS SDK version.

Added new endpoints to Order API for response field old_subscription_pricelist_id and subscription_pricelist_id.

Add RTMS integration with Zoom Contact Center, a reorganized audio parameters matrix, single individual video stream subscription, stream closure requests, and media-socket timeout extension.

RTMS is now available for use with Zoom Contact Center.

New enhancements added to Account Management, Quote and Subscription API.

Added new webhooks for use with Zoom Contact Center.

Added a new enable_lid parameter for transcripts. Changed the internal service for transcription.

RTMS apps can now be used in webinars. The infrastructure developed for RTMS meetings can be easily repurposed to support RTMS in webinars.

Added new webhooks added to Order, Quote, Deal Registration and Account Management. Added new trial_id response field in the Order API trial_id response field in the Get order details by order reference ID API.