CORS PREFLIGHT WHEN USE WEBHOOK FOR MICROSOFT TEAMS

Occasional Visitor

Hi,

i've created an angular app that send some Adaptive cards to a TEAMS channel created with connector plugin but when i try to post a a json i got following CORS ERROR. 

 

Screen Shot 2021-10-13 at 12.09.47.png

Screen Shot 2021-10-13 at 12.12.54.png

 

Is there a way to fix it? In documentation there is only an example using cUrl and Powershell but not using a frontend app .

2 Replies
Have you tried to send Adaptive card as message via Graph Explorer or PostMan with Incoming Webhook?
If yes, is it working?
@giusliso - Could you please confirm if your issue has resolved with above suggestion or still looking for any help?