The GET /api/subProfiles/availablePaymentCards endpoint retrieves a list of payment cards associated with the authorized user, excluding any cards already linked to authorized users. This method is designed to provide detailed information about all available payment cards that the user can utilize, offering essential card details for transaction and payment management.

Key Use Cases:

Managing Payment Card Access: The primary account holder or an authorized user can use this API to view all payment cards that are currently not linked to any authorized users. This ensures that the cards are available for future linking and financial activities.
Transaction Control: The retrieved list helps users manage their available payment cards, ensuring that they can assign cards to authorized users when needed, facilitating smooth financial transactions within the banking application.

Response:

Upon a successful request, the API returns a list of available payment cards that can be utilized by the user.

Security Considerations:

Authentication and Authorization: The request must be made by an authenticated and authorized user.
Input Validation: The system verifies that the user is authorized to access the payment card details.

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