A PSP-side customer record — the anchor saved payment methods attach to. The HOST owns the mapping its user id -> pspCustomerId (PayFanout persists nothing); the card itself lives at the PSP only.
its user id -> pspCustomerId
Optional
Host-app id round-tripped via PSP metadata where supported.
A PSP-side customer record — the anchor saved payment methods attach to. The HOST owns the mapping
its user id -> pspCustomerId(PayFanout persists nothing); the card itself lives at the PSP only.