Pin the Apple Pay merchant identifier per sample app

[kieran-osgood-shopify]

What changes are you making?

How to test

---

Before you merge

Important

• I've added tests to support my implementation
• I have read and agree with the Contribution Guidelines
• I have read and agree with the Code of Conduct
• I've updated the relevant platform README (platforms/swift/README.md and/or platforms/android/README.md)

---

Releasing a new Swift version?

• I have bumped the version in ShopifyCheckoutKit.podspec
• I have bumped the version in platforms/swift/Sources/ShopifyCheckoutKit/ShopifyCheckoutKit.swift
• I have updated the SwiftPM/CocoaPods version snippets in platforms/swift/README.md (major version only)

Releasing a new Embedded Checkout Protocol version?

• I have bumped embeddedCheckoutProtocolAndroid in platforms/android/gradle/libs.versions.toml
• I have updated protocol/languages/kotlin/embedded-checkout-protocol/api/embedded-checkout-protocol.api if the public API changed

Releasing a new Android version?

• I have bumped checkoutKitAndroid in platforms/android/gradle/libs.versions.toml
• I have updated the Gradle/Maven version snippets in platforms/android/README.md

Tip

See the Contributing documentation for the full release process per platform.

[kieran-osgood-shopify]

Warning

This pull request is not mergeable via GitHub because a downstack PR is open. Once all requirements are satisfied, merge this PR as a stack on Graphite.
Learn more

• Build E2E apps from e2e/.env, not the demo store #583
• Give Bitrise one secret and split the docs by audience #582
• Read E2E credentials from e2e/.env instead of the root .env #581
• Generate .env from ejson instead of writing it #580
• Let .env.local override .env, and resolve duplicate keys last-wins #579
• Pin the Apple Pay merchant identifier per sample app #578 👈 (View in Graphite)
• Store storefront config in encrypted ejson files #577
• feat(e2e): add the customer account checkout test on all four targets #562 : 1 other dependent PR (#570 )
• feat(e2e): add the guest checkout order test on all four targets #561 : 1 other dependent PR (#599 )
• feat(e2e): add the hardcoded buyer identity order test on all four targets #560
• feat(e2e): add the present-and-close checkout test on all four targets #559
• feat(e2e): add the cart-from-control-link test on all four targets #558
• Replace the E2E suite cross product with Maestro tags in CI #557
• feat(e2e): select tests by Maestro tag instead of scenario flags #556
• feat(e2e): add an E2EController to each sample app #555
• Add the E2E control link parser to all four sample apps #554
• Add sample app test seams and run them in CI #553
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

[github-actions]

Package Size

Platform	Artifact	Base	Head	Delta
React Native	npm tarball	101.6 KiB	101.6 KiB	0 B

React Native file breakdown

File	Base	Head	Delta
node_modules/@shopify/checkout-kit-protocol/src/generated/Models.ts	85.4 KiB	85.4 KiB	0 B
node_modules/@shopify/checkout-kit-protocol/src/generated/Models.d.ts	53.0 KiB	53.0 KiB	0 B
ios/AcceleratedCheckoutButtons.swift	14.1 KiB	14.1 KiB	0 B
ios/ShopifyCheckoutKit.swift	13.5 KiB	13.5 KiB	0 B
src/components/AcceleratedCheckoutButtons.tsx	13.0 KiB	13.0 KiB	0 B
android/src/main/java/com/shopify/reactnative/checkoutkit/ShopifyCheckoutKitModule.java	12.8 KiB	12.8 KiB	0 B
lib/commonjs/index.js	12.3 KiB	12.3 KiB	0 B
src/index.ts	12.2 KiB	12.2 KiB	0 B
lib/commonjs/components/AcceleratedCheckoutButtons.js	11.4 KiB	11.4 KiB	0 B
lib/commonjs/components/AcceleratedCheckoutButtons.js.map	10.4 KiB	10.4 KiB	0 B
lib/module/components/AcceleratedCheckoutButtons.js	10.2 KiB	10.2 KiB	0 B
lib/module/index.js	10.2 KiB	10.2 KiB	0 B
node_modules/@shopify/checkout-kit-protocol/src/generated/ProtocolNotifications.ts	9.5 KiB	9.5 KiB	0 B
src/index.d.ts	9.1 KiB	9.1 KiB	0 B
lib/module/components/AcceleratedCheckoutButtons.js.map	9.1 KiB	9.1 KiB	0 B
src/present-dispatcher.ts	8.0 KiB	8.0 KiB	0 B
lib/module/index.js.map	7.9 KiB	7.9 KiB	0 B
lib/commonjs/index.js.map	7.7 KiB	7.7 KiB	0 B
node_modules/@shopify/checkout-kit-protocol/src/generated/ProtocolNotifications.d.ts	7.6 KiB	7.6 KiB	0 B
node_modules/@shopify/checkout-kit-protocol/src/generated/ProtocolRenameMap.ts	7.2 KiB	7.2 KiB	0 B
…and 110 smaller files

Measured from the PR base SHA and PR head SHA. The file breakdown shows uncompressed sizes within each package artifact, so individual files do not sum to the compressed artifact total. This comment reports package artifact sizes only; it is not a final app binary-size report.

[github-actions]

React Native — Coverage Report

Lines	Statements	Branches	Functions
	91.64% (307/335)	88.88% (176/198)	100% (81/81)

[bitrise]

Install this build

Open Tophat, select your target device, then click Install. Links open on the Mac running Tophat.

SDK	Install
React Native	Install with Tophat
Swift	Install with Tophat

Checkout Kit E2E results

Status	Tags	Target	Platform	OS version tag	Device
❌	launch, cart, checkout, account	react-native	ios	latest	iPhone 15 iOS 27 Beta
❌	launch, cart, checkout, account	react-native	android	latest	Google Pixel 9 Android 17.0
❌	launch, cart, checkout, account	swift	ios	latest	iPhone 15 iOS 27 Beta

Failures

Caution

These E2E checks are not yet required, so they do not block merging — but a failure may still indicate a real issue to resolve before merging.
If you believe an assertion is flaky, please raise a ticket in the #checkout-kit-devs channel so it can be addressed.

BrowserStack artifacts require BrowserStack access. Sign in to BrowserStack App Automate before opening artifact links.

iOS — react-native

Test	Status	Artifacts
./tests/shared/checkout-guest	❌	BrowserStack · Video · Screenshot · Maestro commands · Maestro log

Android — react-native

Test	Status	Artifacts
./tests/shared/checkout-guest	❌	BrowserStack · Video · Screenshot · Maestro commands · Maestro log

iOS — swift

Test	Status	Artifacts
./tests/shared/checkout-guest	❌	BrowserStack · Video · Screenshot · Maestro commands · Maestro log