Mastercard

Mastercard Installments

The Mastercard Installments program enables financial institutions, licensed lenders, fintechs, and Buy Now, Pay Later (BNPL) players to offer installment plans before, during, and post purchase. This can be done by utilizing either existing or new lines of consumer credit.

GitHub OpenAPI

Documentation

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Authentication
https://developer.mastercard.com/unified-installments/documentation/api-basics/#authentication
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Documentation
https://developer.mastercard.com/unified-installments/documentation/api-reference/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/mastercard/refs/heads/main/properties/mastercard-installments-openapi.yml

Code Examples

💻
CodeExamples
https://developer.mastercard.com/unified-installments/documentation/reference-app/
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CodeExamples
https://developer.mastercard.com/unified-installments/documentation/postman-collection/

Other Resources

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ChangeLog
https://developer.mastercard.com/unified-installments/documentation/release-history/
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Security
https://developer.mastercard.com/unified-installments/documentation/api-basics/#api-security
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Security
https://developer.mastercard.com/unified-installments/documentation/api-basics/#encryption
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Sandbox
https://developer.mastercard.com/unified-installments/documentation/api-basics/#environments
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UseCases
https://developer.mastercard.com/unified-installments/documentation/use-cases/mastercard-installments-program-with-merchant-participation/
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Tutorials
https://developer.mastercard.com/unified-installments/documentation/tutorials-and-guides/
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Errors
https://developer.mastercard.com/unified-installments/documentation/code-and-formats/
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Sandbox
https://developer.mastercard.com/unified-installments/documentation/testing/
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Support
https://developer.mastercard.com/unified-installments/documentation/support/