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Connecting QuickBooks Online is a one-time approval. You do not need to create a developer app or copy a Client ID or Client Secret. Where to find it: Settings → Integrations
OAuth 2.0 means Intuit asks you to approve Owlery without giving Owlery your QuickBooks password. You can disconnect the access later from QuickBooks or Owlery.

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Before You Start

You need:
  • QuickBooks Online administrator access
  • Your Owlery sign-in
  • The name of the QuickBooks company you want to connect
Intuit may show more than one company after you sign in. Select the company whose accounting records should synchronize with Owlery.

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Connect QuickBooks Online

1

Open QuickBooks Online in Owlery

In Owlery, go to Settings → Integrations. Find QuickBooks Online and click Connect.
2

Sign in to Intuit

Owlery sends you to Intuit’s secure sign-in page. Sign in with a QuickBooks administrator account.If your browser blocks the new page, allow pop-ups for Owlery and click Connect again.
3

Select the Company

If Intuit asks you to choose a company, select the QuickBooks company you want Owlery to use.
4

Approve Access

Review the request and click the button to connect Owlery. Intuit sends the approval directly to Owlery; you do not need to copy a code or token.
5

Return to Owlery

Intuit sends you back to Owlery. Confirm that QuickBooks Online shows Connected and that the displayed company is correct.

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What Owlery Handles

Owlery maintains the Intuit application, stores the company-specific tokens securely, and refreshes access automatically. Your team does not need to maintain OAuth credentials. Intuit explains the underlying process in Authentication and authorization. That guide is for developers; you only need to complete the approval steps above.

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Troubleshooting

Confirm that the Intuit account has administrator access to that company. Sign out of Intuit, sign in with the correct administrator account, and try again.
Ask a QuickBooks company administrator to complete the connection. Standard users may not be allowed to approve an app.
Disconnect QuickBooks Online in Owlery and repeat the steps. Select the intended company when Intuit prompts you.
Start again from Settings → Integrations and complete the approval in one browser session. If it still fails, send the error message to support@owlery.ai.

Next: Reading Data from QuickBooks

See which QuickBooks records Owlery synchronizes after authorization.