We’ve been working on a change request to add Maestro to the credit cards that we accept for ecommerce payments. Switch started in 1988 but has now merged with the Maestro network owned by MasterCard in the UK.
Until recently, if you took Switch payments then UK customers who had new Maestro cards would still be ok (as long as you accepted the new 6759 prefix for your payments) however with the merging of the worldwide card base there’s a whole new set of card numbers which need validating.
A quick search on 18-digit Maestro cards that HSBC have been issuing raised a few e-commerce shopping cart forums where people were confused about these new card types. So I thought I’d share my findings:
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