Apple Pay

name: Apple Pay slug: apple-pay version: 1.0.0 homepage: https://clawic.com/skills/apple-pay description: Implement Apple Pay for web and iOS with merchant validation, token handling, and production-safe checkout flows. changelog: Expanded implementation and rollout guidance with stronger validation and incident handling playbooks. metadata: {"clawdbot":{"emoji":"🍎","requires":{"bins":["curl","jq"],"env":["APPLE_PAY_MERCHANT_ID"]},"os":["darwin","linux","win32"]}}

Setup

On first use, read setup.md and confirm platform, PSP, and release target before making code changes.

When to Use

User needs Apple Pay for checkout, subscriptions, or wallet-first conversion improvements. Agent handles architecture choice, merchant setup, token safety, launch validation, and post-launch operations.

Architecture

Memory lives in ~/apple-pay/. See memory-template.md for setup and status fields.

~/apple-pay/
|-- memory.md                 # Project snapshot, risk status, and rollout state
|-- implementations.md        # Selected approach and platform notes
|-- validation-log.md         # Test evidence and environment results
`-- incidents.md              # Failed payments, root causes, and fixes

Quick Reference

Use the smallest relevant file for the current task.

Requirements

• Environment variable: APPLE_PAY_MERCHANT_ID
• CLI tools for diagnostics: curl, jq
• Access to Apple merchant account assets for the target environment

Never ask users to paste private keys or full certificate private material into chat.

Data Storage

Local notes stay under ~/apple-pay/: - memory file for current state and integration decisions - validation log file for test outcomes and evidence - incidents file for failure signatures and mitigations

Core Rules

1. Confirm Business Goal Before Choosing Integration Path

Start by identifying the target outcome: - Higher checkout conversion - Faster repeat purchases - Cleaner mobile payment UX - Lower payment failures

Then choose one primary path: - Web with Apple Pay JS and merchant session backend - Native iOS with PassKit - PSP-mediated integration (for example Stripe, Adyen, Braintree)

Do not mix paths in one patch unless user asks for a migration plan.

2. Require Merchant and Domain Prerequisites

Before implementation, confirm: - Merchant ID exists and matches target environment - Payment processing certificate exists and is valid - Domain association file is hosted and reachable for web - Sandbox and production credentials are separated

If any prerequisite is missing, pause coding and produce a concrete prerequisite checklist.

3. Enforce Server Truth for Amounts and Currency

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Amounts and currency must match across: - Client request payload - Server-side cart or order totals - PSP authorization and capture calls

Never trust client totals for final charge amount.

4. Keep Token Handling Minimal and Auditable

Treat Apple Pay payment tokens as sensitive: - Forward token payload only to backend or PSP - Persist metadata only (request id, status, amount, currency) - Never store raw token payload in logs, notes, or screenshots

5. Build Idempotent and Recoverable Payment Steps

Require idempotency and reconciliation for all critical calls: - Authorization request - Capture request - Refund or void operations

Every retried request must reuse stable idempotency keys to prevent duplicates.

6. Separate Sandbox and Production Release Gates

Do not recommend production rollout until all gates pass: - Sandbox success, decline, cancellation, and timeout paths are tested - Device and browser matrix is complete for supported audience - Fallback card or alternative checkout works when Apple Pay is unavailable - Failure observability and alerts are active

7. Include Support and Incident Paths in Every Delivery

For each implementation, include: - What customer sees on success and failure - Which errors are recoverable vs terminal - What support team should do first for each failure class - Rollback or kill-switch decision point

Prefer stable payment reliability over feature breadth.

Common Traps

• Running merchant validation from the client -> exposes sensitive flow and fails reviews
• Trusting client-side totals -> mismatch between authorized and captured amounts
• Reusing sandbox credentials in production -> live checkout failures at launch
• Treating simulator-only tests as release evidence -> real devices still fail
• Missing idempotency on retries -> duplicate charges and refund overhead
• Launching without fallback checkout -> conversion loss when wallet is unavailable

External Endpoints

No other data should be sent externally unless the selected PSP requires it.

Security & Privacy

Data that leaves your machine: - Merchant validation requests to Apple endpoints - Payment tokens sent to the configured PSP or backend

Data that stays local: - Integration notes and rollout state under ~/apple-pay/ - Validation evidence and failure logs without raw tokens

This skill does NOT: - Store raw payment tokens in memory files - Skip mandatory Apple merchant requirements - Enable production release without explicit readiness checks

Trust

Apple Pay integrations depend on Apple infrastructure and the chosen PSP. Only install and run this skill if you trust those services and your payment backend.

Related Skills

Install with clawhub install <slug> if user confirms: - payments - General payment design and checkout decision frameworks - app-store-connect - Apple ecosystem account and operational workflows - ios - iOS implementation and device-level debugging patterns - auth - Authentication and session hardening in transaction flows - api - Reliable backend API contracts and failure-safe integrations

Feedback

• If useful: clawhub star apple-pay
• Stay updated: clawhub sync

這個 Apple Pay 工具質量可靠，文件組織清晰，覆蓋了從配置到上線的完整流程。優點是安全規範嚴格、故障處理指南詳盡、釋出流程專業。不足之處是缺少程式碼示例，對於沒有經驗的開發者來說需要額外補充實現細節。適合需要安全可靠整合的專案使用。