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NebulaGraph Explorer license

A license is a software authorization certificate used to authorize the use of a software product. When deploying NebulaGraph Explorer, you need to add a license to start it. This document describes the license information on NebulaGraph Explorer.


  • If the license file is not deployed, NebulaGraph Explorer cannot be started.
  • Do not modify the license file, otherwise the license will become invalid.
  • If the license is about to expire, send email to to apply for renewal.
  • The transition period after the license expires is 14 days:

    • If you start the Enterprise Edition within 30 days before the license expires or on the day the license expires, a log will be printed as a reminder.
    • The license can still be used for 14 days after it expires.
    • If the license has expired for 14 days, you will not be able to start the Enterprise Edition, and a log will be printed as a reminder.

Obtain a NebulaGraph Explorer license

Send email to to apply for a NebulaGraph Explorer license.


You can apply online for a 30-day free trial of NebulaGraph Explorer.

License description

NebulaGraph Explorer license is a file named nebula.license that contains the following information:

----------License Content Start----------
  "vendor": "vesoft",
  "organization": "doc",
  "issuedDate": "2022-06-06T16:00:00.000Z",
  "expirationDate": "2023-05-31T15:59:59.000Z",
  "product": "nebula_graph_explorer",
  "version": ">=3.2.0",
  "licenseType": "enterprise",
  "gracePeriod": 14,
  "clusterCode": "BAIAEAiAQAAG"
----------License Content End----------

----------License Key Start----------
----------License Key End----------

The license file contains information such as issuedDate and expirationDate. The description is as follows.

Parameter Description
vendor The supplier.
organization The username.
issuedDate The date that the license is issued.
expirationDate The date that the license expires.
product The product type. The product type of NebulaGraph Explorer is nebula_graph_explorer.
version The version information.
licenseType The license type (a reserved parameter), including enterprise, samll_bussiness, pro, and individual.
gracePeriod The buffer time (in days) for the service to continue to be used after the license expires, and the service will be stopped after the buffer period. The trial version of license has no buffer period after expiration and the default value of this parameter is 0.
clusterCode The user's hardware information, which is also the unique identifier of the cluster. This parameter is not available in the trial version of the license.

Use a NebulaGraph Explorer license

For how to use a NebulaGraph Explorer license, see Deploy NebulaGraph Explorer.

Renew a NebulaGraph Explorer license

Follow the steps below to renew your NebulaGraph Explorer license.

  1. Email us at to apply for a new NebulaGraph Explorer license file nebula.license.

  2. In the NebulaGraph Explorer installation directory, such as /usr/local/nebula-explorer, replace the old license file with the new one.


You cannot log into NebulaGraph Explorer once the license expires. To avoid business interruptions, please renew your license in time.

Last update: February 19, 2024