On This Page {#jumplink-list} [Markdown](/docs/cybs/en-us/doc-rel/relnote/all/na/doc-release-notes/doc-release-notes-intro/March-2026/unified-checkout-26-03.md) Filter FILTER BY TAG Unified Checkout {#unified-checkout} ==================================== 26.03.01 -------- Appendix : ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added information about how to update your integration to Version 1. See [Update to Unified Checkout Version 1](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-appendix/uc-v1-migration-intro.md ""). ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added information about security recommendations and PCI compliance. See [Security Recommendations](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-appendix/uc-security-recs.md ""). Capture Context : ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added information to the capture context section for Version 1. See [Capture Context Components](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context/uc-capture-context-features.md ""). ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added support for client version 1.0 . See [Client Version History](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-capture-context-versions.md ""). ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added information about semantic versioning. See [Versioning](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-getting-started-ss-setup/uc-versioning.md ""). ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added endpoints for Saudi Arabia. See [Sessions API](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context.md "") and [Validating the Capture Context](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-setup-capture-context/uc-validate-capture-context-intro.md "") Client-Side Setup : ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/update-15x75.svg/jcr:content/renditions/original) Updated the JavaScript examples and reference for Version 1. See [Loading the JavaScript Library](https://developer.cybersource.com/docs/cybs/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](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-appendix-js-reference-v1.md ""). Merchant Experience : ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added support for the merchant experience in the Business Center . See [Configure the Unified Checkout Merchant Experience](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-intro-setup/uc-intro-setup-ebc.md ""). ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added information about processing payments with Unified Checkout . See [Process Payments with Unified Checkout](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-intro-setup/uc-pay-processing-intro.md ""). Payment Details : ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Updated the endpoint for retrieving payment details and added endpoints for Saudi Arabia. See [Payment Details API](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-token-get-pymnt-details.md ""). Payment Methods : ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added support for paying with tokens. See [Pay with Token](https://developer.cybersource.com/docs/cybs/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 : ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added a quick-start section. See [Unified Checkout Quick Start](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-qs-intro.md ""). Test Your Configuration : ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added information about handling errors. See [Handle Errors](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards/uc-handle-errors.md ""). ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/update-15x75.svg/jcr:content/renditions/original) Updated the reason codes to include Version 1 reason codes. See [Reason Codes](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-reference-test-cards/uc-appendix-v1-reason-codes.md ""). Transient Tokens : ![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added endpoints for Saudi Arabia. See [Authorizations with a Transient Token](https://developer.cybersource.com/docs/cybs/en-us/unified-checkout/developer/all/rest/unified-checkout/uc-tokens-intro/uc-auth-tokens.md ""). RELATED TO THIS PAGE