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Supported Features

Employee Master Integration Account Deletion Account Deactivation Account Provisioning

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Prerequisites

For information on plans that support API usage, see What is the HENNGE Access Control API.

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How to Log In to HENNGE One

On the HENNGE One login page, enter your email address and password and log in. HENNGE One login screen

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How to Obtain the Client ID and Client Secret

  1. After logging in to HENNGE One, navigate to System > API Clients > Add Client > HAC API from the side menu. API Client menu
  2. When creating a new API client, configure the following settings, agree to the terms of service, and click Submit. Scopes
    • User list: Read/Write
    • Access policy group: Read only
    Memo Any name such as your intended use or company name API client creation screen
  3. The API client will be created. Copy and save the Client ID and Client Secret.
    Please note that the Client Secret will not be displayed again after you close the dialog.
    Client ID and Secret

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Integration Setup

  1. In the integrations screen, search for HENNGE One.
  2. Enter any workspace name, along with the Client ID and Client Secret obtained in the previous steps, then click Connect. HENNGE One integration settings screen
  3. Once the integration with HENNGE One is successful, the registered user information will appear in the account list. If the integration does not complete successfully. Go to the Status tab on the integrations screen, click Edit, and try connecting again. If the issue persists, please contact us via chat.
Last modified on July 22, 2026