Hi, We’re implementing Apple Pay on the Web for a multi-tenant platform via a PSP. The PSP operates multiple HSM/clusters and gave us multiple CSRs, asking us to register all. Our understanding: a Merchant ID can hold several PPCs over time, but only one is active at once.
Questions
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Is there any supported way to keep more than one PPC active simultaneously for the same Merchant ID?
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If not, what does Apple recommend for web-only, multi-tenant setups: a single MID with PSP-side decryption & sub-merchant separation, or separate MIDs per brand/region?
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Any official guidance on PPC rotation and handling many domains for Apple Pay on the Web?
links to official docs or prior Apple responses would be appreciated.
