New to environments? Start with the Environments tutorial for a hands-on introduction. For detailed workflows and best practices, see Version management.
Creating a version
A version is created whenever changes are made to an agent. A draft banner appears at the top of the page, allowing you to:- Delete: Revert to the most recent published version.
- Publish: Save the draft as a version, optionally adding a description highlighting changes made and any notes for future collaborators.


Promoting a version
Promotion moves a version from one environment to the next. The environments include Sandbox, , and .Pre-release
Staging environment for user acceptance testing (UAT).- Go to Deployments > Environments in the sidebar.
- Click the Options Menu next to the desired version.
- Select Promote to Pre-release.
Live
Production. Changes affect all active calls immediately.- Go to the Pre-release tab in Deployments > Environments.
- Click the overflow menu (three vertical dots) next to the version.
- Select Promote to Live.
- Confirm your selection by checking the box and clicking Promote.
- Confirm
- Complete

Comparing versions and environments
Before promoting changes, you can compare versions across environments using a side-by-side diff view.- Go to the Deployments section and open Environments or Project History.
- Select a version and click Compare to view differences between Sandbox, Pre-release, and Live.
- Versions appear in reverse chronological order (newest first) for easier navigation.
Rolling back to a previous version
Roll back to a previous version if needed:- Go to Deployments > Environments in the sidebar.
- Select the Options Menu for the desired version.
- Click Rollback.
- Confirm the rollback.
- Initiate
- Confirm

Testing your agent
Main page: Quickstart – test your agent Test your agent in any environment:- Click the Play Chat icon in the top-right corner of the screen.
- Select the environment containing the version you want to test.
Assigning phone numbers
Each environment can have its own phone number. To assign:- Go to Configure > Numbers in the sidebar.

Automate with the Agents API
The same pipeline is available programmatically — useful for wiring deployments into CI or orchestrating releases across many agents.Deploy via the Agents API
Deploy via the Agents API
The Agents API exposes publish, promote, and rollback as the CI-friendly equivalents of the UI actions above.
Related pages
Compare versions
Side-by-side diff of any two versions before promoting.
Project history
Audit trail of all published versions and changes.
Test suite
Run regression tests against Draft or Sandbox.
Deployments endpoints
Publish, promote, and rollback from the Agents API.



