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The QuickBooks Online Accounting API utilizes the REST architecture so you can seamlessly integrate your app with QuickBooks Online and the Intuit Financial Ecosystem.

Here’s how to get started:

Set up and start developing your app
Build a demo app
Visit the QuickBooks Online API Explorer to see all entities, fields, and parameters
Create sandbox environments and set up testing tools

Silver, Gold, and Platinum partners have access to Premium APIs including the Projects API, Custom Fields API, Sales Tax API, and Payroll Compensation API.

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