How do we test the API invoice connection with our QBO production account?

Thanks for checking in with us, a-fontana-radica.

For handling integrations with API invoice connection with your QuickBooks Online (QBO), I recommend utilizing the Intuit Developer forum. Where experts can guide you through the best process for your specific situation, as they are the best gurus to assist you. Here's how to post your concern:

1. Proceed to this link: https://help.developer.intuit.com/s/
2. Choose QuickBooks Online.
3. Select Ask a Question.
4. Log into your existing Intuit Developer Account or create a new one.
5. Clearly explain your concerns and provide specific details and examples to help them better understand your requirements.
6. Press Ask.

I've added this helpful article to help manage your invoices and other sales forms for future tasks: Personalise invoices, estimates, and sales receipts in QuickBooks Online. For more tips and other resources, I recommend visiting our website for future reference: Self-help articles.

Feel free to let me know if you have more questions about invoices or anything else QuickBooks. I'll be more than happy to answer them. Take care always.