Changing the Apple Pay gateway without outage

Hi,

I have a published app with Apple Pay integration working well. But, for business reasons, we need to change the gateway that process the payments.

I thought that I could maintain the same Merchant ID just creating an additional certificate on it.

But I figure out that I need to activate the new additional certificate to work on. When I try to activate the additional certificate I got a message that others certificates for the same merchant id will be revoked. So, I didn't yet.

I am afraid that it will stop the published app to process Apple Pay payments if I activate the additional certificate.

What is the correct approach ? Create a new Merchant ID for the new version of the app? Or am I missing something?

Thanks

Changing the Apple Pay gateway without outage
 
 
Q