Does Google Chat natively interoperate with Microsoft Teams?

Google announced an official interoperability partnership with NextPlane (OpenHub) in August 2025. This enables GChat ↔ Teams messaging. However, it requires a sales engagement with Google Workspace — it is not self-serve. For immediate self-serve setup, a third-party bridge like SyncRivo works in 15 minutes.

What is the difference between NextPlane and a third-party bridge for Google Chat?

NextPlane OpenHub is Google's officially endorsed partner for GChat ↔ Teams interoperability. It uses a proxy-guest architecture and is deeply integrated with Google's infrastructure. However, it is sales-led, enterprise-priced, and covers only the Teams pair. SyncRivo is self-serve, covers all 4 Google Chat pairs, and is live in 15 minutes.

Does Mio support Google Chat interoperability?

Yes. Mio is Google's preferred partner for Google Chat ↔ Slack interoperability. Mio also covers Google Chat ↔ Teams. However, Mio requires a separate paid Mio license on top of your Google Workspace subscription. Mio does not cover Google Chat ↔ Webex or Google Chat ↔ Zoom Team Chat.

How does the Google Chat API service account model work?

Unlike Slack (user OAuth2) or Teams (Azure AD OAuth2), Google Chat uses service accounts — a GCP project with a JSON key file granting the bridge application identity. The service account must be invited to each Google Chat Space as a member before it can read or write messages. The Chat API must be enabled in the GCP project.

Can Google Chat users message Cisco Webex users in real time?

Yes, with a bridge. This pair has near-zero native competition — no official Google or Cisco program exists for this specific pairing. SyncRivo bridges Google Chat Spaces and Webex Spaces in real time by subscribing to both APIs simultaneously. Common use case: healthcare org on GWS (PHI-free clinical coordination) with clinical team on Webex HIPAA.

Do Google Workspace interoperability licenses cost extra?

Google offers Chat interoperability licenses for the NextPlane/Mio programs at no extra cost — but these must be requested through a Google Workspace sales representative or Google Cloud partner. They are not self-provisioned through the Admin Console. For third-party bridges like SyncRivo, no Google license is required — you authorize the bridge using a GCP service account.

Can a bridge map Google Chat Spaces to Teams channels?

Yes. The bridge maintains a mapping table: Google Chat Space ID → Teams Channel ID. When a message arrives in the mapped Space via Pub/Sub event delivery, the bridge delivers it to the Teams channel via Microsoft Graph API, and vice versa. Thread IDs are mapped to preserve threading on both sides.

Does the Google-NextPlane partnership cover Webex or Zoom?

No. The official Google-NextPlane partnership announced in August 2025 covers Google Chat ↔ Microsoft Teams only. It does not include Cisco Webex or Zoom Team Chat. For those pairs, third-party bridges are required.

How long does it take to set up Google Chat interoperability with SyncRivo?

15–20 minutes. Step 1: Create a GCP project, enable Chat API, create a service account, download the JSON key (10 min). Step 2: Authorize the partner platform — Slack OAuth2 or Teams Azure AD consent (5 min). Step 3: Invite the service account to relevant Spaces and map to partner channels (5 min). No developer work required.

Interoperability Hub · Updated April 2026

Google Chat Interoperability: The Complete Enterprise Guide (2026)All 4 Google Chat interoperability pairs — Teams, Slack, Webex, Zoom

Q: What is an 'external Space' in Google Chat and why does it matter for bridges?

Google Chat Spaces are either internal (GWS organization only) or external (allow users from outside the organization). For bridging to Slack or Teams users on a different domain, the Google Chat Space must be configured to allow external members. The GWS admin must enable external chat sharing in the Admin Console.

Jordan Hayes · Enterprise Solutions Lead

Jordan Hayes leads enterprise solutions at SyncRivo with a focus on M&A IT integration, post-merger communication strategy, and large-scale platform coexistence programs. LinkedIn

April 14, 2026 · 14 min read

Google Chat is included in every Google Workspace subscription — but the organizations GChat users need to collaborate with don't all run Google Workspace. Partners run Microsoft Teams. Engineering teams run Slack. Healthcare networks run Cisco Webex. Universities run Zoom Team Chat.

This guide covers every Google Chat interoperability pair, disambiguates what NextPlane and Mio actually do, explains the Google Chat API service account model, and maps every official and self-serve bridge option available in 2026.

Start Bridging Free Book Enterprise Demo

What Is Google Chat Interoperability?

Google Chat interoperability refers to the ability of Google Chat users to send and receive real-time messages with users on Microsoft Teams, Slack, Cisco Webex, and Zoom Team Chat — without either party leaving their preferred platform. Google has established an official partnership with NextPlane for Google Chat ↔ Microsoft Teams interoperability, and Mio serves as the preferred partner for Google Chat ↔ Slack. However, both are sales-led enterprise programs. For self-serve interoperability — including pairs beyond Teams and Slack — a dedicated third-party bridge is required.

Google Chat ships with every Google Workspace subscription, yet it has no native ability to exchange channel messages with Teams, Slack, Webex, or Zoom Team Chat. The two official programs (NextPlane and Mio) cover only two of the four pairs and require a Google Workspace sales engagement. For the Webex and Zoom pairs — and for self-serve setup on any pair — a third-party bridge is the only path.

6B+ GWS users

Google Workspace deployed across enterprises, education, and government

<100ms bridge latency

Real-time message delivery end-to-end via Pub/Sub event pipeline

0 guest accounts needed

Bridge users stay in their own platform — no new Google identities required

Official Google Chat Interoperability Programs — What They Cover

Official programs exist — but only for Teams and Slack, and only via sales

Google announced NextPlane OpenHub as its official partner for GChat ↔ Teams interoperability (August 2025). This requires contacting a Google Workspace sales representative — it is not self-provisioned. Mio is Google's preferred partner for GChat ↔ Slack, but also requires a separate paid Mio license on top of your GWS subscription. Neither NextPlane nor Mio covers GChat ↔ Webex or GChat ↔ Zoom Team Chat. For self-serve setup, or for Webex and Zoom pairs, use SyncRivo.

NextPlane OpenHub

Official Google-endorsed partner (announced August 2025)

Covers

Google Chat ↔ Microsoft Teams

Does NOT cover

Google Chat ↔ Slack
Google Chat ↔ Cisco Webex
Google Chat ↔ Zoom Team Chat

Model: Enterprise-only, sales-led via Google Workspace sales rep or GCP partner. Not self-serve. Requires Google Workspace enterprise agreement.

Best-in-class for GChat↔Teams when your org already has a Google Workspace enterprise relationship and Teams is the sole target platform.

Mio

Google's preferred partner for GChat ↔ Slack

Covers

Google Chat ↔ Slack (primary)
Google Chat ↔ Teams

Does NOT cover

Google Chat ↔ Cisco Webex
Google Chat ↔ Zoom Team Chat

Model: Requires a separate paid Mio license on top of your Google Workspace subscription. Sales-led — not self-serve outside enterprise agreements.

Good for GWS organizations needing GChat↔Slack bridging under an enterprise agreement. Does not cover Webex or Zoom pairs.

SyncRivo covers all 4 Google Chat interoperability pairs — including Webex and Zoom Team Chat not covered by NextPlane or Mio — with self-serve setup in 15 minutes, no sales engagement required. Start free →

The 4 Google Chat Interoperability Pairs

Each Google Chat interoperability pair has a distinct business scenario, native option status, and bridge coverage. Use the cards below to navigate to the dedicated guide for each pair.

Google Chat ↔ Microsoft Teams

Official but Sales-Led

Business scenario: M&A (GWS acquiree + M365 acquirer), or org with GWS for engineering + Teams for leadership.

Native/official: NextPlane OpenHub (Google-endorsed, sales-led)Google announced NextPlane as official partner (Aug 2025). Requires Google Workspace sales engagement. Not self-serve.

Teams Google Chat Bridge How-to setup guide

Google Chat ↔ Slack

Official but Sales-Led

Business scenario: Org with GWS (Chat included) + engineering team on Slack, or acquired Slack-first startup by GWS parent.

Native/official: Mio (Google's preferred partner, sales-led)Mio is Google's preferred Slack partner but requires a separate paid Mio license on top of your GWS subscription.

Slack Google Chat Bridge How-to setup guide

Google Chat ↔ Cisco Webex

No Native Option

Business scenario: Healthcare org on GWS + clinical team on Webex (HIPAA BAA), or GovCon with Webex FedRAMP + GWS.

Native/official: NoneNo official Google or Cisco program for this pair. Near-zero native competition. SyncRivo is the primary self-serve solution.

Webex Google Chat Bridge How-to setup guide

Google Chat ↔ Zoom Team Chat

No Native Option

Business scenario: GWS org using Zoom as video platform (Meet internal, Zoom external), or university with Google Chat for academics + Zoom Team Chat for admin staff.

Native/official: NoneNo official Google or Zoom program for this pair. Both platforms include Team Chat but no bridging exists natively.

Google Chat Zoom Bridge How-to setup guide

How Google Chat Interoperability Works — API & Service Account Setup

Unlike Slack (user OAuth2) or Microsoft Teams (Azure AD OAuth2), Google Chat uses service accounts — a GCP project with a JSON key file granting the bridge application a machine identity. The service account must be explicitly invited to each Google Chat Space before it can read or write messages. Google Chat delivers real-time events via Google Cloud Pub/Sub, not webhooks — the bridge subscribes to a Pub/Sub topic and receives message events within milliseconds.

Create a GCP project and enable the Chat API

In Google Cloud Console, create a new project (or use an existing one). Navigate to APIs & Services → Library, search for "Google Chat API", and enable it. This is required before any service account can authenticate with Chat.

Create a service account and download the JSON key

Go to IAM & Admin → Service Accounts and create a new service account. Grant it the "Google Chat API User" role if your organization uses domain-wide delegation — otherwise no IAM role is required beyond Chat API access. Download the JSON key file; this is the credential SyncRivo uses for bridge authentication. Store it securely.

Subscribe to Pub/Sub events for real-time delivery

Google Chat delivers events (new messages, Space membership changes) via Google Cloud Pub/Sub. Create a Pub/Sub topic and subscription in your GCP project. Configure the Chat API to publish to this topic. SyncRivo subscribes to the Pub/Sub topic to receive messages in under 100ms.

Invite the service account to each Space

Unlike user-based OAuth2 (Slack, Teams), the Google Chat service account must be explicitly invited to each Space as a member before it can read or write messages. This is a one-time step per Space. For external Spaces, the GWS admin must first enable "external chat" in the Admin Console under Apps → Google Workspace → Google Chat.

External Spaces requirement: For bridging Google Chat users to Slack or Teams users on a different domain, the GWS admin must enable "external chat" in the Admin Console (Apps → Google Workspace → Google Chat → Sharing settings). Without this, the service account cannot join external Spaces and the bridge cannot operate.

Auth model

GCP service account JSON key — not user OAuth2

Event delivery

Google Cloud Pub/Sub — under 100ms end-to-end

Space membership

Service account must be invited to each Space as a member

Google Chat Interoperability — Vendor Landscape (2026)

SyncRivo is the only self-serve platform covering all four Google Chat interoperability pairs. Official programs (NextPlane, Mio) cover only Teams and Slack, and require enterprise sales engagement.

Vendor	GChat ↔ Teams	GChat ↔ Slack	GChat ↔ Webex	GChat ↔ Zoom	Self-Serve	Notes
SyncRivo You are here						Only self-serve platform covering all 4 Google Chat interoperability pairs
NextPlane						Official Google endorsement (Aug 2025) for Teams+GChat only. Enterprise sales-led.
Mio						Google's preferred Slack partner. Requires separate Mio license. No Webex or Zoom.
ChatBridge / TeamMate						Covers Teams+Slack+Webex pairs but does not support Google Chat.

Enterprise Security for Google Chat Interoperability

A Google Chat bridge holds GCP service account credentials and sits between your Google Workspace environment and one or more external messaging platforms. Enterprise security teams require the following before approving any bridge deployment:

SOC 2 Type II Certified

SyncRivo is SOC 2 Type II certified — continuous controls monitoring, not a point-in-time audit. Required for enterprise procurement and healthcare compliance. Ask any bridge vendor for the full audit report.

Service Account Scope Minimization

The GCP service account is granted only the Chat API scopes necessary for reading and writing Space messages. No broader Google Workspace admin scopes are requested. Verify the GCP IAM binding before authorizing any bridge.

Zero Data-at-Rest Architecture

Messages transit through the SyncRivo bridge but are never stored to disk. Zero-data-at-rest satisfies HIPAA Technical Safeguards (§164.312) and financial services data minimization requirements.

HIPAA BAA Available

Healthcare organizations handling PHI need a signed Business Associate Agreement before any third-party service processes message content. SyncRivo offers a BAA on enterprise plans. Confirm before starting a pilot.

GWS Data Residency (EU / US)

Google Workspace data residency controls (EU and US regions) are preserved when using a GCP service account in the matching region. SyncRivo supports multi-region deployment for data residency compliance.

RBAC and Connection-Level Access Control

IT administrators control who can create, modify, or delete Space-to-channel mappings. Full audit log of configuration changes satisfies SOC 2 access control criteria and HIPAA access management requirements.

Google Chat Interoperability — Frequently Asked Questions

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Connect Google Chat to Every Major Messaging Platform

SyncRivo is the only self-serve platform covering all 4 Google Chat interoperability pairs — Teams, Slack, Webex, and Zoom Team Chat. Real-time bidirectional messaging, zero data-at-rest, SOC 2 Type II certified, HIPAA-ready. Setup in 15 minutes.