Thank you target is not working in checkout UI extension

Topic summary

A developer is experiencing issues with Shopify’s checkout UI extension not rendering on the thank you page, despite working correctly on information and payment pages.

Setup Details:

  • Using Shopify Plus store with custom app for checkout UI extension
  • Three targets configured: purchase.checkout.payment-method-list.render-after, purchase.checkout.footer.render-after, and purchase.thank-you.footer.render-after
  • First two targets render successfully (footer links and checkbox after payment list)
  • Third target (purchase.thank-you.footer.render-after) fails to render

Key Concerns:

  • Implementation follows official documentation and GitHub examples
  • Developer questions whether Shopify has underlying issues with checkout UI extensions
  • Mentions limited CSS customization capabilities (e.g., cannot add text-decoration:none to Link component)
  • Requests timeline extension if platform has known limitations

Current Status:

  • Issue remains unresolved
  • At least one other developer reports experiencing the same problem
  • Developer was referred to community forums by Shopify support for technical assistance
Summarized with AI on October 28. AI used: claude-sonnet-4-5-20250929.

I have shopify Plus store.

Store URL: https://nature-plus-shop-japan-staging.myshopify.com

Creating custom app for checkout UI extension. For the information and payment page my customizations are working and custom UI like checkbox is rendered on the checkout page but I am not getting why it is not working on the thank you page??

If shopify has some issues in checkout UI extension then they should at least extend the timelines because as of now I think there is a lot of improvement scope and there are many things which we can’t do using this extension like for Link component if I want to add this css (text-decoration:none), I can’t do.

But at least for thank you page it should be working and also specified in official documentation and also checked git example:

https://github.com/Shopify/ui-extensions/blob/unstable/packages/ui-extensions/docs/surfaces/checkout/reference/examples/purchase.thank-you.footer.render-after/default.example.tsx

Still it is not working.

Let me explain what I did to achieve it, let me know the issue if you think any:

→ Step1: Create custom app and create the checkout UI extension

→ Step2: Install it on this plus store (https://nature-plus-shop-japan-staging.myshopify.com)

→ Step3: Add target in extensions\rs-checkout-ui\shopify.extension.toml

other targets are commented only used three targets (purchase.checkout.payment-method-list.render-after, purchase.checkout.footer.render-after, purchase.thank-you.footer.render-after)

Learn more about configuring your checkout UI extension:> # https://shopify.dev/api/checkout-extensions/checkout/configuration> > # The version of APIs your extension will receive. Learn more:> # https://shopify.dev/docs/api/usage/versioning> api_version = “2024-01”> > [[extensions]]> type = “ui_extension”> name = “rs-checkout-ui”> handle = “rs-checkout-ui”> > # Controls where in Shopify your extension will be injected,> # and the file that contains your extension’s source code. Learn more:> # https://shopify.dev/docs/api/checkout-ui-extensions/unstable/extension-targets-overview> > [[extensions.targeting]]> module = “./src/Checkout.jsx”> target = “purchase.checkout.payment-method-list.render-after”> > [[extensions.targeting]]> module = “./src/CheckoutB.jsx”> target = “purchase.checkout.footer.render-after”> > [[extensions.targeting]]> module = “./src/CheckoutC.jsx”> target = “purchase.thank-you.footer.render-after”> > # [[extensions.targeting]]> # module = “./src/CheckoutD.jsx”> # target = “purchase.thank-you.block.render”> > # [[extensions.targeting]]> # module = “./src/CheckoutE.jsx”> # target = “purchase.thank-you.cart-line-item.render-after”> > # [[extensions.targeting]]> # module = “./src/CheckoutF.jsx”> # target = “customer-account.order-status.cart-line-item.render-after”> > # [[extensions.targeting]]> # module = “./src/CheckoutG.jsx”> # target = “purchase.checkout.header.render-after”> > # [[extensions.targeting]]> # module = “./src/CheckoutH.jsx”> # target = “purchase.thank-you.cart-line-item.render-after”> > [extensions.capabilities]> # Gives your extension access to directly query Shopify’s storefront API.> # https://shopify.dev/docs/api/checkout-ui-extensions/unstable/configuration#api-access> api_access = true> > # Gives your extension access to make external network calls, using the> # JavaScript fetch() API. Learn more:> # https://shopify.dev/docs/api/checkout-ui-extensions/unstable/configuration#network-access> network_access = true> block_progress = true> > # Loads metafields on checkout resources, including the cart,> # products, customers, and more. Learn more:> # https://shopify.dev/docs/api/checkout-ui-extensions/unstable/configuration#metafields> > [[extensions.metafields]]> namespace = “springerNatureMetafields”> key = “JapanList”> [[extensions.metafields]]> namespace = “springerNatureMetafields”> key = “rowList”> [[extensions.metafields]]> namespace = “springerNatureMetafields”> key = “UkList”> [[extensions.metafields]]> namespace = “springerNatureMetafields”> key = “UsList”> [[extensions.metafields]]> namespace = “springerNatureMetafields”> key = “privateAppURL”> > # Defines settings that will be collected from merchants installing> # your extension. Learn more:> # https://shopify.dev/docs/api/checkout-ui-extensions/unstable/configuration#settings-definition> > # [extensions.settings]> # [[extensions.settings.fields]]> # key = “banner_title”> # type = “single_line_text_field”> # name = “Banner title”> # description = “Enter a title for the banner”

→ Step 4: Created src/Checkout.jsx, src/CheckoutB.jsx & src/CheckoutC.jsx

→ Step5: Checkout.jsx & CheckoutB.jsx code is rendering perfectly (added footer links and one checkbox after payment list).

→ Step6: src/CheckoutC.jsx code:

import React from ‘react’;> import {> BlockStack,> reactExtension,> Text,> useApi,> } from ‘@shopify/ui-extensions-react/checkout’;> > // 1. Choose an extension target> export default reactExtension(> ‘purchase.thank-you.footer.render-after’,> () =>

But this code is not rendering on thankyou page why? And please guide me as shopify support refer me to discuss technical issues here and I am really stuck in this.

Hi ! I’m having this issue too, any luck on this so far ?