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The Company ID (Realm ID) you enter here must be the same company you select in the QuickBooks authorization popup. If they differ, the connection may fail — or it may succeed and send every API request to the wrong company.

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Important — Company ID must match the company you authorize

During authorization, QuickBooks shows a company selection screen. Select the same company whose Realm ID you enter below. The entered Company ID is used directly in every API request, so on a mismatch you may get an error, or the connection may succeed and read and write data to the wrong company.

  • If you have access to multiple companies, pick the one matching the Realm ID you entered.
  • Always double-check both are the same company before connecting.

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Find your Company ID (Realm ID)

Locate your Realm ID in your QuickBooks Online account.

1

Sign in to QuickBooks Online

Sign in to your QuickBooks Online account.

  • Click the Gear icon in the top right corner.
  • Under the PROFILE section, click Subscriptions and billing.
2

Copy the Company ID

Your Company ID is displayed at the top of the Subscriptions and billing page.

  • Your Company ID is shown at the top of this page.
  • Format: A numeric value like 9341456924700058
  • Copy this value and store it securely for use later.

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Linking the Account from the Hub

1

Navigate to the Hub

Use one of the three Linking Account Methods to access the Hub.
2

Fill out the fields

Fill out the following fields using details from your provider:
  • Company ID (Realm ID)
3

Connect

  • Click Connect
  • If applicable, the provider will redirect you to a sign-in or authorization page. Complete the provider’s authorization flow.
  • Once authorization is successful, you will see a confirmation popup

If the account linking is successful, you will see the newly linked account in your Accounts page.