This page covers purchasing a Chariot license and activating it on a Chariot MQTT Server with internet access. It also covers upgrading an existing license, applying license updates with reactivation, and deactivating a license before decommissioning a server.

For air-gapped deployments, see Offline licenses. For multi-instance deployments inside a closed network, see Self-Hosted Floating License Server.


There are no additional licensing steps for Chariot instances deployed through AWS Marketplace or Azure Marketplace - licenses are already installed and activated.

Purchase a New License

There are two ways to purchase a Chariot license:

  • Through the Chariot UI (covered below) — self-serve via Stripe
    • Single instance Node-Locked Online Licenses Only
  • By contacting Cirrus Link Support
    • All Licensing Models


The instructions below cover the Chariot UI flow.

In the Chariot UI, navigate to the License page.


Select I need to purchase a license from the wizard. A modal opens showing the features available for purchase:

    • IoT Bridge for Snowflake — Connect Chariot to Snowflake (meter-based licensing)
    • MQTT Server — Full-featured MQTT server (one-time purchase)
    • MQTT Server Support — A year of support (can be purchased yearly or multiple years at once)


Select desired features and click Purchase. The page will redirect to the Stripe purchase page.



Verify that the product selection matches what was selected in Chariot.





Fill out the payment information and click Pay. If the payment was successful, the page will redirect back to Chariot.



Cirrus Link will generate the requested license and email it to the provided contact email.  Be aware this can take up to 24 hours. 

Activate a License Online

After receiving the license key by email, activate it on a Chariot MQTT Server.

The Chariot License page wizard offers three activation methods; Online, Offline, and Floating, which correspond to the three license deployment models.


Licence Deployment Models

  • Online - Requires an external internet connection and Chariot license key
  • Offline - No external internet, will require email communication with Cirrus Link providing generated codes to gain the appropriate access
  • Floating - A self hosted license server that serves available licenses as requested 


This section covers Online; for the other two, see Offline Licenses or Self-Hosted Floating License Server.

Log into the Chariot MQTT Server Web UI and from the left hand menu bar select License as shown below:


Follow the wizard selecting first the license activation method type (Online)


Provide the text file containing the Chariot License Key. Drag and drop the file, paste the key directly, or click the upload button and select the file.


Confirm to finish the wizard.


A successful activation will show the license status page, showing the state of the license, activated features, and related details.

Upgrade an Existing License

Add features to an existing license — for example, adding IoT Bridge for Snowflake to an MQTT Server license, or adding additional years of support — without re-purchasing the original features.

There are two ways to upgrade a license:

  • Through the Chariot UI (covered below) — self-serve via Stripe
  • By contacting Cirrus Link Support — for enterprise deals, custom terms, or payment via purchase order or invoice

The instructions below cover the Chariot UI flow.

  1. In the Chariot UI, navigate to the License page.
  2. Locate the Upgrade License widget and click Upgrade License.
  3. Select the features to add to the existing license.
  4. Click Purchase. Chariot will redirect to the Stripe purchase page.
  5. Verify two things on the Stripe page:
    • Product selection matches what was selected in Chariot
    • The license key field is pre-populated with the existing Chariot License key
  6. Fill out the payment details and click Pay. Do not change the license key.
  7. If the payment was successful, the page will redirect back to Chariot.

Cirrus Link will upgrade the license and email confirmation to the contact email on file. This can take up to 24 hours. After receiving confirmation, click Reactivate on the License page (see below) to apply the new features.

Features already activated on the license will not appear in the upgrade options, with one exception: MQTT Server Support can be purchased at any time to add additional years of support.

Reactivate an Online License

If a license has been updated — feature change, expiration date change, or any other update — click Reactivate on the License page to pull the updates without restarting Chariot.


This will not work with offline activated licenses. Contact Cirrus Link Support for any changes.

Deactivate an Online License

In order to deactivate the license online, log into the Chariot MQTT Server Web UI and from the left hand menu bar select License as shown below.



Select "Deactivate" for the license to be remotely deactivated so that it can be potentially activated on another Chariot MQTT Server instance.


If the server is terminated, deleted, or destroyed without deactivating the active Chariot License, that license will permanently lose one of its total number of activations


Once deactivation is successfully completed, the page will show the license activation wizard


 

What if I forgot to deactivate?

If a Chariot server was destroyed without deactivating first and you are unable to activate the license elsewhere, contact Cirrus Link Support. Include the License ID and a brief description of what happened. Support can review the situation and, in many cases, restore the lost activation.

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