# Convert credit card purchase into installments
source: https://developer.mastercard.com/unified-installments/documentation/experience-design-guide/installments-solutions-for-existing-cards/designs/convert-cred-card-pur-into-instlmnts/index.md

Within seconds of consumer's purchase in-store or online, the issuer offers them the ability to convert the purchase in installments by sending a push notification. The consumer taps on the notification or logs into their banking app to view eligible transactions. They review the offers and terms and accept the preferred offer.

## UX Journey {#ux-journey}

For the best viewing experience of the UX journey, click the **full screen mode** option or **zoom** using the controls located on the right.

## Flow Diagram {#flow-diagram}

Note: Mastercard APIs used in this experience:

* [Installments Offers API](https://developer.mastercard.com/unified-installments/documentation/use-cases/mastercard-installments-payment-services/post-purchase/index.md#installments-offers-api)
* [Installments Plan API](https://developer.mastercard.com/unified-installments/documentation/use-cases/mastercard-installments-payment-services/post-purchase/index.md#installments-plan-api)
* [Installments Notification API](https://developer.mastercard.com/unified-installments/documentation/use-cases/mastercard-installments-payment-services/post-purchase/index.md#installments-notification-api)

Next: [Convert debit card purchase into installments](https://developer.mastercard.com/unified-installments/documentation/experience-design-guide/installments-solutions-for-existing-cards/designs/convert-debit-card-pur-into-instlmnts/index.md)