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This guide shows you how to register your own app with NinjaOne RMM to obtain your OAuth credentials (client id & secret). These are required to let your users grant your app access to their NinjaOne RMM account.
1

Navigate to the API settings

  1. Log in to your NinjaOne instance at app.ninjarmm.com.
  2. Navigate to Administration > Apps > API.
  3. Click on the Client App IDs tab.
2

Create a Web OAuth application

  1. Click the Add button to open the Application Configuration form.
  2. Select Web as the Application Platform (do not select “API Services / Machine-to-Machine”).
  3. Fill in the details:
    • Name: A descriptive name for your application
    • Redirect URI: https://api.nango.dev/oauth/callback
    • Allowed Grant Types: Check both Authorization Code and Refresh Token
    • Scopes/Permissions: Select the appropriate scopes for your use case (e.g., Monitoring, Management, Control)
  4. Click Save to create the application. You may need to complete a multi-factor authentication step.
3

Obtain your app credentials

  1. After creating the application, the Client ID and Client Secret will be displayed.
  2. Copy and securely store both values immediately. The Client Secret is only shown once and cannot be retrieved later.
4

Next

Follow the Quickstart.
For more details, see NinjaOne’s Authorization Code Flow documentation.

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Important notes for NinjaOne RMM API

  • The Client Secret is only displayed once after creation. If you lose it, you’ll need to create a new application.
  • NinjaOne access tokens expire within approximately 1 hour. Include the offline_access scope to ensure refresh tokens are issued for automatic token renewal.
  • This OAuth2 Authorization Code provider supports endpoints that require user-context authorization (e.g., running scripts on devices). If you only need machine-to-machine access, see the NinjaOne RMM (Client Credentials) integration instead.