I reported to support. They indicated that they could not help me. After several interactions, support indicated they had no examples - and did not know how to help me.
Hi DavidK3 , regular support staff won't be able to help you ; you need to contact MYOB API support by lodging a ticket here (various information is required):
Submit a request – Support for the MYOB family of SME product APIs
There are many articles here:
Authentication, OAUTH and Authorization – Support for the MYOB family of SME product APIs
Also recommended:
Error Connecting 3rd Party App To MYOB 16-08-2024 – Support for the MYOB family of SME product APIs
Changes in the auth API – Support for the MYOB family of SME product APIs
The (truncated) value returned to your redirect URL will look something like this (you need to extract the highlighted section, other sections are explained in the above link):
http://desktop/?code=ory_ac_zTSXStega...Bel15h9uT8UUnc&scope=CompanyFile+offline_access+openid&state=fee7456fa62aef5f5ed486b6
Also note other users have provided code examples, eg:
C# WebBrowser -> WebView2 solution | MYOB Community
