Recent Revisions to This Document {#uc-doc-revisions}
=====================================================

26.04.01 {#uc-doc-revisions_section_jzm_k4c_1jc}
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Test Your Configuration
:
Updated the Visa `Click to Pay` test card numbers. See [Visa and Mastercard Click to Pay Test Cards](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards/uc-reference-test-cards-visa-ctp.md "").

26.03.01
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Appendix
:
Added information about how to update your integration to Version 1. See [Update to Unified Checkout Version 1](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-v1-migration-intro.md "").
:
Added information about security recommendations and PCI compliance. See [Security Recommendations](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-appendix/uc-security-recs.md "").
:

Capture Context
:
Added information to the capture context section for Version 1. See [Capture Context Components](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context/uc-capture-context-features.md "").
:
Added support for client version `1.0`. See [Client Version History](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-versions.md "").
:
Added information about semantic versioning. See [Versioning](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-versioning.md "").

Client-Side Setup
:
Updated the JavaScript examples and reference for Version 1. See [Loading the JavaScript Library](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-cs-setup-intro/uc-getting-started-cs-js-library-intro.md "") and [JavaScript API Reference](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-appendix-js-reference-v1.md "").

Merchant Experience
:
Added support for the merchant experience in the `Business Center`. See [Configure the Unified Checkout Merchant Experience](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-intro-setup/uc-intro-setup-ebc.md "").
:
Added information about processing payments with `Unified Checkout`. See [Process Payments with Unified Checkout](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-intro-setup/uc-pay-processing-intro.md "").

Payment Methods
:
Added support for paying with tokens. See [Pay with Token](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-pay-methods-intro/uc-pay-methods-card/uc-pay-methods-pay-tkn.md "").

Quick Start
:
Added a quick-start section. See [Unified Checkout Quick Start](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-qs-intro.md "").

Test Your Configuration
:
Added information about handling errors. See [Handle Errors](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards/uc-handle-errors.md "").
:
Updated the reason codes to include Version 1 reason codes. See [Reason Codes](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards/uc-appendix-v1-reason-codes.md "").

25.12.01
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Server-Side Set Up
:
Added information about supported browsers. See [Capture Context](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-intro.md "").

Capture Context
:
Added support for up to clientVersion `0.34`. See [Client Version History](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-versions.md "").

Transient Tokens
:
Added information about Cartes Bancaires dual-branded cards. See [Dual-Branded Cards](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-tokens-intro/dual-co-brand-card-support.md "").

Test Your `Unified Checkout` Configuration
:
Added test payment information for testing Visa `Click to Pay` authentication within the `Click to Pay` flow and outside of the flow. See [Test Your Configuration](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards.md "").

25.11.02
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Capture Context
:
Added a complete capture context request example with all possible fields. See [Example: Unified Checkout Complete Capture Context](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context/uc-appendix-complete-cc-ex.md "").
:
Updated the capture context examples for clientVersion `0.31`. See [Capture Context](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-intro.md "").

Appendix
:
Added information about testing your authentication method. See [Test Authentication](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards/uc-appendix-authentication.md "").
:
Added information about customizing the `Click to Pay` UI. See [Click to Pay UI Guidelines](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-pay-methods-intro/uc-pay-methods-dig-wallets/uc-pay-methods-dig-wallets-ctp/uc-appendix-ui-ux.md "").

25.11.01
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Capture Context
:
Updated the list of allowed card networks. See [Sessions API](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context.md "").

25.10.02
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Capture Context
:
Added support for clientVersion `0.30`. See [Client Version History](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-versions.md "").

25.10.01
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`Unified Checkout` Appendix
:
Added missing reason codes. See [Reason Codes](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards/uc-appendix-v1-reason-codes.md "").
:
Updated the clientVersion field value to `0.30` in examples.
:
Added Pakistan locales. See [Supported Locales](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-appendix/uc-appendix-languages.md "").

25.08.02
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Added more information about JSON Web Tokens. See [JSON Web Tokens](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-appendix/uc-appendix-jwts.md "").

25.08.01
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Client-Side Setup
:
Added information for creating a trigger. See [JavaScript Example: Client-Defined Trigger for Click to Pay or PAN Entry](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-cs-setup-intro/uc-getting-started-cs-js-library-intro/uc-getting-started-cs-js-trigger-ctp-pan-example.md "").

Capture Context
:
Added PayPak as a payment method. See [Sessions API](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context.md "").
:
Added information for client version 0.28. See [Client Version History](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-versions.md "").

25.05.01
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Capture Context
:
Added information for the complete mandate. See [Sessions API](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context.md "").
:
Added information on the available features and the fields specific to each feature to the Capture Context API. See [Sessions API](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context.md "").
:
Added Paze to the list of allowed payment types. See [Sessions API](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context.md "").
:
Added capture context validation. See [Validating the Capture Context](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context/uc-validate-capture-context-intro.md "").

`Unified Checkout` Appendix
:
Added a client version history and the features included in each version. See [Client Version History](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-versions.md "").
:
Updated the list of supported languages. See [Supported Locales](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-appendix/uc-appendix-languages.md "").

Client-Side Set Up
:
Updated the examples for loading the JavaScript library:

    * [JavaScript Example: Initializing the SDK](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-cs-setup-intro/uc-getting-started-cs-js-library-intro/uc-getting-started-cs-js-library-example.md "")
    * [JavaScript Example: Displaying the Button List](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-cs-setup-intro/uc-getting-started-cs-js-library-intro/uc-getting-started-cs-js-button-example.md "")
    * [JavaScript Example: Processing a Payment](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-cs-setup-intro/uc-getting-started-cs-js-library-intro/uc-getting-started-cs-js-payment-example.md "").

`Click to Pay`
:
Updated the list of supported countries to include Bulgaria, Greece, Japan, Romania, Slovenia, Thailand, and Vietnam. See [Supported Countries for Digital Payments](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-appendix/uc-appendix-supp-countries.md "").

25.03.02
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Added information about choosing your preferred card number prefix length and supported scenarios. See the Include Card Prefix sections of these topics:

* [Capture Context](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-intro.md "")
* [Sessions API](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context.md "")

25.03.01
--------

Replaced *check* digital payment method with *`eCheck`* digital payment method throughout [Capture Context](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-intro.md "").  
Added information on using customer authentication with Click to Pay for Visa transactions. See [Click to Pay Customer Authentication](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-pay-methods-intro/uc-pay-methods-dig-wallets/uc-pay-methods-dig-wallets-ctp/uc-enable-digital-pay-ctp/uc-authentication.md "").

25.02.01
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Added optional setup parameters to control the types of credentials that Google Pay on `Unified Checkout` receives from Google. See [Managing Google Pay Authentication Types](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-pay-methods-intro/uc-pay-methods-dig-wallets/uc-pay-methods-dig-wallets-googlepay/uc-enable-digital-pay-googlepay-manage-authenticat.md "").  
Added test card numbers. See [Test Your Configuration](/docs/vas/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards.md "").
