Without prior notice or announcement from Shopify Inc. that I am aware of, Shopify has removed Authorize.Net as a supported payment gateway.
From what I understand, people who are grandfathered in (already have Shopfy w/ Auth. net as the gateway) are okay to keep processing but any new accounts looking to use Authorize.net with Shopify will not work.
More to come as I receive information as to why, how…
Nice… Right in the middle of our new site build with Authorize…
Sorry to hear that.
It appears auth.net was removed based on their payment gateway overview. US Payment Gateways to Accept Customer Payment - Shopify Nigeria
On the other hand… Not sure if they missed an area on the website, but there is still instructions on how to integrate auth.net to Shopify that is still up. Authorize.net payment provider · Shopify Help Center
I suggest using Woo Commerce or Big Commerce if you plan on using Auth.net.
What does your company provide for options of gateway providers.
Authorize.net is now listed again, and you ARE able to integrate into Shopify!!!
NMI (not w. Shopify) Authorize.net Cayenne…
Auth.net is now back up and has been w Shopify