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Pydantic · Type Alias

PaymentCardNumber

PaymentCardNumber validates payment card numbers as strings. It checks digits, length, the Luhn algorithm, and brand-specific length rules, then exposes useful details such as the brand and last four digits.

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Syntax

class PaymentCardNumber(str)

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  • PaymentCardBrand
  • PaymentCardNumber
  • pydantic_extra_types.payment

Source: Payment | Pydantic Docs. Checked 2026-11-03.