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Each time you run beam deploy, Beam creates a new version of your app. Deploying a new version doesn’t stop the previous one: older versions keep serving their own URLs until you stop them with beam deployment stop. Endpoints, ASGI apps, and task queues get URLs in this format: https://[APP-NAME]-[APP-ID]-v[VERSION].app.beam.cloud APP-ID is a short ID that stays the same every time you deploy an app with the same name. beam deploy prints the URL of the version it just created, such as https://multiply-712408b-v1.app.beam.cloud.

Accessing the Latest Version

The URL without a version suffix routes to the latest active version, so it’s the one to use in clients that should pick up new deploys. A -latest suffix does the same:

Invoking Specific Versions

You can invoke specific versions of your apps by specifying the version in the app URL. Here are some examples:
  • To invoke latest: https://multiply-712408b.app.beam.cloud
  • To invoke version 3: https://multiply-712408b-v3.app.beam.cloud
  • To invoke version 17: https://multiply-712408b-v17.app.beam.cloud
A versioned URL only works while that version is active. A version that doesn’t exist returns 404, and a stopped version returns a 5xx error. Use the URLs that the CLI or dashboard returns rather than building these hostnames yourself. An active version may still be starting or have no running containers. See deployment readiness, rollout, and rollback.

Calling an App by Name

You can also call an app by name on app.beam.cloud:
  • Latest version: https://app.beam.cloud/endpoint/multiply or https://app.beam.cloud/endpoint/multiply/latest
  • Version 3: https://app.beam.cloud/endpoint/multiply/v3
Task queues and ASGI apps use the same patterns under /taskqueue/ and /asgi/. These URLs always require an auth token, even for public endpoints. A version that doesn’t exist returns 400 with Invalid deployment, and a stopped version returns 400 with Deployment is not active.
Pods use the same scheme with the port number added at the end. See Pod URLs.