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Your organization must have an Enterprise API or Copilot package, and a ZoomInfo admin must assign you the DevPortal subscription via Admin Portal > User Management > Users before you can sign in to the Developer Portal.

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Register an app in the ZoomInfo Developer Portal

Apps are created in the ZoomInfo Developer Portal (DevPortal). You’ll need admin access to your ZoomInfo account.

1

Sign in to the ZoomInfo Developer Portal

Sign in to your ZoomInfo Developer Portal account.

  • Navigate to Apps.
2

Create a new app

Click Create App and configure it for the Authorization Code (PKCE) grant.

  • Enter a meaningful application name (for example StackOne Integration).
  • Under Sign-in redirect URIs (DevPortal uses the Okta-style label), add: https://api.stackone.com/connect/oauth2/zoominfo/callback
3

Select the OAuth scopes

Under Scopes, select every scope your integration needs. Use the selector below to pick the scopes — apply the same selection in DevPortal. Any scope you request at authorization time must be registered on the app, or the request fails. See ZoomInfo OAuth scopes for full descriptions.

4

Copy the Client ID and Client Secret

Save the app and copy both values from the Auth tab. Store them securely for use later.

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Creating the StackOne Connector Profile

To create the Connector Profile in StackOne for ZoomInfo:
1

Navigate to Connector Profiles

Login to StackOne and navigate to Connector Profiles
2

Create New Connector Profile

  • Click + Connector Profile
  • Search for and select ZoomInfo
  • Select Type as OAuth 2.0 (Authorization Code + PKCE)
  • Fill out the fields using details retrieved from your provider:
    • Client ID
    • Client Secret
    • Scopes (Optional)
  • (Optional) Select Actions to be enabled for this Connector Profile
  • Click Create profile
Congratulations! The new Connector Profile will now show up in your project ready to be used. You can now continue to Link Accounts for ZoomInfo.