# \#shopify-checkout

**URL:** https://community.cwill.com/tag/shopify-checkout/8.md

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## [Building a Shopify Post-Purchase Checkout Extension with Upsell and Downsell Flow](https://community.cwill.com/t/building-a-shopify-post-purchase-checkout-extension-with-upsell-and-downsell-flow/63)

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**Author:** [@samantha.clark](https://community.cwill.com/u/samantha.clark)\
**Replies:** 0\
**Last updated:** [August 15, 2025, 9:43am UTC](https://community.cwill.com/t/building-a-shopify-post-purchase-checkout-extension-with-upsell-and-downsell-flow/63 "2025-08-15T09:43:25Z")

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Ever wondered how to capture additional revenue right after a customer completes their purchase? Today I’m sharing my hands-on experience building a post-purchase checkout extension for Shopify – one of the most powerful…

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## [Building Shopify Thank You and Order Status Page Extensions: Complete Tutorial](https://community.cwill.com/t/building-shopify-thank-you-and-order-status-page-extensions-complete-tutorial/50)

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**Author:** [@natalie.evans](https://community.cwill.com/u/natalie.evans)\
**Replies:** 0\
**Last updated:** [August 15, 2025, 8:38am UTC](https://community.cwill.com/t/building-shopify-thank-you-and-order-status-page-extensions-complete-tutorial/50 "2025-08-15T08:38:56Z")

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After years of being limited to the checkout page, Shopify has finally launched checkout UI extensions for thank you and order status pages. This opens up entirely new possibilities for creating custom experiences throug…

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## [Building Shopify Checkout UI Extensions: My Complete Development Guide](https://community.cwill.com/t/building-shopify-checkout-ui-extensions-my-complete-development-guide/53)

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**Author:** [@sophie.green](https://community.cwill.com/u/sophie.green)\
**Replies:** 0\
**Last updated:** [August 15, 2025, 9:14am UTC](https://community.cwill.com/t/building-shopify-checkout-ui-extensions-my-complete-development-guide/53 "2025-08-15T09:14:09Z")

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After diving deep into Shopify’s checkout extensibility features, I wanted to share my hands-on experience building custom checkout UI extensions. These extensions are incredibly powerful – they let you add custom functi…