How to integrate chat and messaging on Zendesk

intermediate 8 min read Updated 2026-03-18

Quick Answer

Integrate chat and messaging on Zendesk by enabling the Chat channel in Admin Center, configuring your chat widget settings, and embedding the provided code on your website. You can also connect external messaging platforms through the Channels section.

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Prerequisites

Active Zendesk account with admin privileges
Chat or messaging plan enabled
Basic understanding of Zendesk administration
Website or app where you want to embed chat

Step-by-Step Instructions

Access Zendesk Admin Center

Log into your Zendesk account and click the Admin Center icon in the sidebar. Navigate to Channels in the left menu to view all available communication channels.

Ensure you have admin privileges before proceeding with channel configuration.

Enable Chat Channel

In the Channels section, click Talk and messaging then select Chat. Toggle the Enable Chat switch to activate the chat functionality for your account.

Chat may require a specific subscription plan - check your account settings if the option is unavailable.

Configure Chat Widget Settings

Click Widget in the Chat settings. Customize your chat appearance by setting the Widget Color, Position, and Greeting Message. Configure Operating Hours and Offline Form settings as needed.

Preview your widget changes in real-time using the preview panel on the right side.

Set Up Department and Routing

Navigate to Departments within Chat settings. Create departments if needed and assign agents using the Add Agent button. Configure Routing rules to determine how chats are distributed among available agents.

Set up multiple departments to better organize support queries by topic or expertise.

Generate and Install Widget Code

Go to Installation in the Chat settings. Copy the provided JavaScript code snippet and paste it into your website's HTML before the closing </body> tag. Save and publish your website changes.

Test the widget installation on a staging environment before deploying to production.

Connect External Messaging Platforms

Return to Channels and select Messaging and social messaging. Click Add channel and choose platforms like WhatsApp, Facebook Messenger, or Instagram. Follow the platform-specific authentication process.

Each messaging platform has different setup requirements - have your business account credentials ready.

Configure Messaging Settings

For each connected messaging channel, click the Settings gear icon. Configure Auto-reply messages, Business hours, and Agent assignment rules. Enable Message delivery notifications if desired.

Consistent messaging across all channels helps maintain a professional customer experience.

Test and Monitor Integration

Send test messages through each configured channel to verify proper routing and agent notifications. Monitor the Chat dashboard and Messaging overview to track performance metrics and customer satisfaction scores.

Set up regular monitoring to ensure all integrations remain functional and responsive.

Common Issues & Troubleshooting

Chat widget not appearing on website

Verify the JavaScript code is properly placed before the </body> tag and check that chat is enabled in your Zendesk settings. Clear browser cache and check for JavaScript errors in browser console.

Messages not routing to agents

Check that agents are set to Online status in the Chat dashboard. Verify department assignments and ensure routing rules are configured correctly in Chat settings.

External messaging platform connection failing

Verify business account permissions for the messaging platform and ensure you're using the correct API credentials. Check that webhook URLs are properly configured in the external platform settings.

Chat widget showing offline when agents are available

Review your Operating Hours settings in the Widget configuration and ensure they match your business schedule. Check if the Away mode is accidentally enabled for your departments.

Prices mentioned in this guide are pulled from current plan data and may change. Always verify on the official Zendesk website before purchasing.

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