Use the WalletKit dashboard to set Allowed Origin on the Settings page
You must configure a list of allowed origins in the WalletKit dashboard for CORS to work. This is a security measure to prevent malicious websites from using your Project ID.
Head over to the Settings page in the WalletKit dashboard.
Under the Allowed Origin section, add a list of comma separated origins that
you want to allow. For example, if you want to allow
https://example.org, you would enter: