# Airwallex Billing Checkout

> Guide integration of Airwallex Billing Hosted Checkout for subscription, one-off payment (PAYMENT), and card-saving (SETUP) scenarios. Covers authentication, product/price creation, free trial, coupons, success page, webhooks, troubleshooting, and API version via .env. Use when user mentions billing checkout, subscription integration, recurring billing, free trial, coupon, promo code, billingcheckouts API, hosted billing page, 订阅, 周期扣款, 优惠券. Do NOT use for HPP / Hosted Payment Page / PaymentIntent; those belong to Online Payments, not Billing.

## Facts
- Page: https://tashan.sh/capability/skill-airwallex-airwallex-billing-checkout
- tashan id: skill:airwallex/airwallex-billing-checkout
- Source: https://github.com/airwallex/airwallex-marketplace
- Type: skill
- Category: other
- tashan score: not scored (catalogued only — too little public evidence)
- Adoption: 9.0
- Upkeep: not measured
- Freshness: not measured
- Evidence coverage: not measured
- Health: not measured
- Instruction depth: not yet graded
- Official: no

## Install

```sh
cp -r airwallex-billing-checkout ~/.claude/skills/
```

## Security audit
Not scanned. We audit npm-published capabilities; this one has no npm package we can resolve, or has not reached the queue. This is not a clean bill of health.

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Measured 2026-08-09 by tashan (https://tashan.sh) from public evidence. Scorer s5.