The issue you're describing arises when the Redirect URI set in the developer portal is different from the one used in the application code. Let me direct you to our dedicated support to help you fix this issue, Lisa.
They have specialized knowledge in QuickBooks-related technical issues and expertise in its APIs. To do so, follow the steps below:
- Go to the Intuit Developer's page and log in to your account. If you haven't had an account yet, sign up.
- Select the QuickBooks product that you're developing for and explore the available resources and support issues.
For additional resources and to better understand the features available to help achieve your business goals, you might want to check out this comparison between QuickBooks Online and Desktop: Compare QuickBooks Online to Desktop.
If you have any other questions or concerns about the error you're getting, feel free to drop by and let me know so we can help you out. Have a nice day ahead!
