October 10, 2024
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Knowledge Base
Definitive answers from Marqeta experts

Knowledge Base Articles

Does the card resource have a metadata field?

People often wonder if the card resource has a metadata field, including how it can be used, where it is stored, and whether this field can be used to pass data. The answer is that users of the Marqeta platform typically store metadata at the user l...

How are card numbers determined?

We sometimes get questions about how a card number (PAN) is chosen when creating cards. Here are a few details: As part of card creation, a PAN is randomly generated within a program’s assigned BIN range. If that PAN is unavailable for any reason, a...

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