I am anxious for this feature as well. Without it, my options are to
change to another payment gateway or sacrifice functionality on my
solution. Please let us know when to expect this! Thanks!
Brian, FYI: we are trying this with a sandbox account. Is that the
issue? I am not sure how Auth.net routes requests through the back end,
but I wonder if perhaps a different server is handling the request when
a sandbox account is referenced? Thanks...
I am having this same issue. I decided to install the accept-sample-app
from the Authorize.net github project, and it has the same issue:
XMLHttpRequest cannot load
https://jstest.authorize.net/v1/AcceptCore.js. No
'Access-Control-Allow-Origin' heade...