mastercard

Mastercard Send Account Verification Service

The Mastercard Send Account Verification Service (AVS) enables Originating Institutions and Transaction Initiators to perform real-time card account checks with card issuers before initiating funding transactions or payment transactions (person-to-person payments or disbursements) with those card accounts.

GitHub

Resources

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GettingStarted
https://developer.mastercard.com/mastercard-send-avs/documentation/#getting-started
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Security
https://developer.mastercard.com/mastercard-send-avs/documentation/api-basics/#api-security
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Environments
https://developer.mastercard.com/mastercard-send-avs/documentation/api-basics/#environments
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Headers
https://developer.mastercard.com/mastercard-send-avs/documentation/api-basics/#http-headers
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UseCases
https://developer.mastercard.com/mastercard-send-avs/documentation/use-cases/
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Tutorials
https://developer.mastercard.com/mastercard-send-avs/documentation/tutorials-and-guides/
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Documentation
https://developer.mastercard.com/mastercard-send-avs/documentation/api-reference/
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Errors
https://developer.mastercard.com/mastercard-send-avs/documentation/code-and-formats/
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Testing
https://developer.mastercard.com/mastercard-send-avs/documentation/testing/
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Sandbox
https://developer.mastercard.com/mastercard-send-avs/documentation/testing/#sandbox-testing
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ChangeLog
https://developer.mastercard.com/mastercard-send-avs/documentation/release-history/
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FAQ
https://developer.mastercard.com/mastercard-send-avs/documentation/support/#faqs
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Support
https://developer.mastercard.com/mastercard-send-avs/documentation/support/#get-help