Summary
This is a comprehensive integration guide for WeChat Pay's product coupon system. It walks you through the entire lifecycle: selecting the right coupon type from 10 options, generating signed API code examples in Java and Go, handling callbacks and refunds, and debugging specific error codes via Request-Id. What stands out is the structured troubleshooting approach and the insistence on step-by-step user confirmation before executing anything, which prevents the common pitfall of making assumptions about your setup. Supports both direct brand integration and service provider modes. If you're building coupon features for WeChat Pay in China, this covers the integration checklist and common gotchas in one place.
Install to Claude Code
npx -y skills add wechatpay-apiv3/wechatpay-skills --skill wechatpay-product-coupon --agent claude-codeInstalls into .claude/skills of the current project.
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
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Agent, run crypto. Access onchain data & trade routes via 1inch.
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Give your AI agent a complete email layer—sending, inbound inboxes, and sandbox testing.
Get 4K emails/month free →
Integrate web data into your AI product. One API to scrape website & brand data.
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Featured
Your agent targets a perfect 10 Code Health score. Deterministic. Every commit.
Try For Free →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →Give your AI agent a complete email layer—sending, inbound inboxes, and sandbox testing.
Get 4K emails/month free →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →First SeenMay 16, 2026
