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adyen

Adyen Checkout API

REST
OpenAPI (JSON)
https://raw.githubusercontent.com/Adyen/adyen-openapi/main/json/CheckoutService-v71.json
Additive AI classification

Add transactionLinkId, holderName, and cashtag fields

The Adyen Checkout API adds three optional response and request fields: transactionLinkId for linking Mastercard transactions in subscription chains, holderName for bank account holder identification, and cashtag for Cash App Pay shopper details. These are purely additive fields that do not affect existing integrations.

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  • Additive

    Add transactionLinkId, holderName, and cashtag fields

    The Adyen Checkout API adds three optional response and request fields: transactionLinkId for linking Mastercard transactions in subscription chains, holderName for bank account holder identification, and cashtag for Cash App Pay shopper details. These are purely additive fields that do not affect existing integrations.