This changelog covers changes to the documentation and API Reference during August 2023.

Content changes

Added the Sofort integration guide with all the information needed to implement this connection. (8/30/2023)
Added the KICC (via Switch) integration guide with all the information needed to implement this connection. (8/30/2023)
Updated the SEPA through Adyen integration guide with more information about the available options and instructions about implementation. Also added information about merchant-initiated recurring transactions. (8/30/2023)
Moved content from the PayPal (with Braintree) integration guide to a new topic: Run a merchant-initiated recurring transaction in order to cover the steps for both PayPal (with Braintree) and SEPA through Adyen. (8/30/2023)
Added the PayU Colombia/LATAM (via PaymentsOS) integration guide with all the information needed to implement this connection. (8/23/2023)
Updated the NMI integration guide to include information about the new Surcharge feature. (8/9/2023)
Added content to clarify subscription and payment plan options for cards, echecks, and alternative payment methods. See the Recurring billing overview topic for information and links. (8/16/2023)
Added the Setting up installments for a bank to handle the payment plan and Setting up installments for a bank to handle the subscription topics for explaining how to use the installment.period parameter for setting up installments (recurring transactions) where the bank handles the payment schedule. (8/9/2023)
Added information to the PayPal (with Braintree) integration guide about migrating tokens to the Nexio vault. These are used for recurring transactions. (8/9/2023)
Updated the Google Pay integration guide with information about accessing the Google Pay Console, configuration steps, and what information to provide to Integrations Support. (8/9/2023)
Added the Speed integration guide. This alternative payment method allows customers to pay in bitcoin using third-party crypto wallets. (8/4/2023)

API changelog

Enhancement/Fix	API Reference	Description
Enhancement	Payments	Added the View surcharge recommendation endpoint for verifying whether surcharging is recommended for a credit card transaction based on the customer's billing state and proposed payment method. (8/23/2023)
Enhancement	Payments	Updated the Refund a transaction endpoint to include the `refundReason` parameter, which is used with the PayU Colombia connection. (8/23/2023)
Enhancement	Payments	It is now possible to update the `cardType`, `firstSix`, and `lastFour` parameters for the Update card token endpoint. The system also validates now that the `expirationMonth` is a value between 1 and 12, with or without a leading zero (0). (8/16/2023)
Enhancement	Payments	Added the `data.surcharge` parameter to the Create one-time-use token and Run card transaction endpoints. This feature allows merchants to include a surcharge amount as part of a card transaction for addresses in the United States. This feature currently works with the NMI or Nexio mock gateway connection. (8/16/2023)
Enhancement	Payments	Updated the `installment` object in the Create one-time-use token and Run card transaction endpoints with information about how to use this feature, which gateways/connections are supported, and what valid values are for the `installment.period` parameter. (8/9/2023)
Enhancement	Payments	Updated the View a subscription, Update a subscription, Delete a subscription, and View customer subscriptions endpoints to clarify the differences between subscriptions and payment plans. Also fixed the response information to include all returned parameters. Added example request and response bodies for the Try It feature. (8/9/2023)

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