---
name: asgard-ai-platform/tw-ecom-payment-tappay
source: https://app.decimal.ai/s/asgard-ai-platform-tw-ecom-payment-tappay@1/SKILL.md
source_sha256: a89a6e4e3ddf
---

# TapPay Integration for Taiwan E-Commerce

> **STATUS: SKELETON** — body pending.

## When to use this skill

- Integrating TapPay Web/iOS/Android SDK
- Adding Apple Pay / Google Pay / LINE Pay via TapPay
- Implementing TCS (tokenized recurring payments)
- Debugging 3DS 2.0 flow issues on TapPay
- Comparing TapPay vs NewebPay / ECPay for a specific use case

## Do NOT use when

- Generic TW payment gateway selection → `tw-payment-integration`
- Non-TapPay provider → their specific skill

## Core concepts

TODO: TapPay positioning (mobile-first), TapPay Direct vs TapPay Pay by Prime, TCS flow.

## Decision tree

TODO: when TapPay outperforms NewebPay/ECPay.

## Implementation guidance

TODO: Prime token acquisition, 3DS handling, TCS card binding + charge.

## Gotchas

TODO: 5-6 pitfalls (Prime token TTL, 3DS interstitial UX, TCS unbind on card expiry, Apple Pay domain verification, sandbox-to-prod merchant switch).

## IRON LAW

TODO.

## Output Format

TODO.

## Related

- `tw-payment-integration` for gateway comparison
- `tw-ecom-payment-dispute` for refund / chargeback handling

_Last verified: 2026-04_