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/kryptogo-pay-webhook

Implements KryptoGO Payment webhook/callback handling for receiving payment status notifications. Use when building webhook endpoints, handling payment callbacks, or implementing 支付狀態通知 for KryptoGO Payment.

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paid-tw-skills
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Install
$ npx -y skills add paid-tw/skills --skill kryptogo-pay-webhook --agent claude-code

How it fires

How this skill gets triggered: by you, by Claude, or both.

  • Fires itselfAuto-invocation. Claude auto-loads it when your prompt matches the work.Auto-invocation is when the right skill fires by itself at the right moment, driven by a FLOW.md router and a hook, instead of you invoking it by name. It is the difference between a skill being installed and a skill actually getting used.Read the full definition →
  • You can call itInvoke it directly when you want it.
  • Slash command/kryptogo-pay-webhook

Context preview

The summary Claude sees to decide when to auto-load this skill.

Implements KryptoGO Payment webhook/callback handling for receiving payment status notifications. Use when building webhook endpoints, handling payment callbacks, or implementing 支付狀態通知 for KryptoGO Payment.

SKILL.md

kryptogo-pay-webhook.SKILL.md
name: kryptogo-pay-webhook
description: >
  Implements KryptoGO Payment webhook/callback handling for receiving payment status
  notifications. Use when building webhook endpoints, handling payment callbacks,
  or implementing 支付狀態通知 for KryptoGO Payment.
argument-hint: "[框架: Express/Flask/FastAPI/NestJS]"
context: fork
agent: general-purpose
disable-model-invocation: true
allowed-tools:
  - Read
  - Write
  - Edit
  - Bash
  - Grep
  - Glob
user-invocable: true

KryptoGO Payment Webhook 回調處理任務

你的任務是在用戶的專案中實作 KryptoGO Payment Webhook 回調處理。

串接 Checklist

  • [ ] **端點建立** - 建立 POST endpoint 接收回調
  • [ ] **狀態處理** - 處理所有 5 種支付狀態
  • [ ] **冪等處理** - 實作冪等性避免重複處理
  • [ ] **回應確認** - 回應 HTTP 200 確認收到
  • [ ] **測試驗證** - 驗證端點可正常運作

---

Step 1: 確認環境

詢問用戶:

1. **框架類型**:你使用什麼後端框架?

  • Node.js (Express / Fastify / NestJS)
  • Python (Django / Flask / FastAPI)
  • 其他

2. **資料庫**:使用什麼資料庫儲存訂單?

  • 需要知道如何更新訂單狀態

用戶輸入: `$ARGUMENTS`

Step 2: 建立 Webhook 端點

建立 POST 端點接收 KryptoGO 的回調通知。

**端點路徑建議**: `/api/payment/callback` 或 `/webhook/kryptogo`

**必要行為**: 1. 接收 POST JSON body 2. 驗證 `payment_intent_id` 存在於資料庫 3. 根據 `status` 更新訂單狀態 4. 回應 HTTP 200

Step 3: 處理所有支付狀態

必須處理以下 5 種狀態:

| 狀態 | 處理邏輯 | |------|---------| | `pending` | 通常不會收到此狀態的回調 | | `success` | 更新訂單為已付款,記錄 `payment_tx_hash` | | `expired` | 標記訂單為過期 | | `insufficient_not_refunded` | 記錄異常,等待退款 | | `insufficient_refunded` | 記錄退款資訊 `refund_tx_hash`、`refund_amount` |

Step 4: 實作冪等性

確保同一個 `payment_intent_id` 的回調不會被重複處理:

  • 檢查訂單是否已經更新為最終狀態
  • 使用 `payment_intent_id` 作為冪等鍵

Step 5: 測試

1. 建立一個 Payment Intent(帶 `callback_url`) 2. 完成支付後確認端點收到回調 3. 驗證訂單狀態正確更新 4. 驗證回應 HTTP 200

---

Callback Payload 格式

{
  "payment_intent_id": "0h39QkYfZps7AUD1xQsj3MDFVLIMaGoV",
  "client_id": "9c5a79fc1117310f976b53752659b61d",
  "fiat_amount": "300.0",
  "fiat_currency": "TWD",
  "payment_deadline": 1715462400,
  "status": "success",
  "payment_chain_id": "arb",
  "symbol": "USDT",
  "crypto_amount": "2.53",
  "payment_tx_hash": "0x1234567890abcdef...",
  "received_crypto_amount": "2.53",
  "aggregated_crypto_amount": "2.50",
  "order_data": {
    "order_id": "uid_12345",
    "item_id": "100"
  },
  "callback_url": "https://example.com/callback",
  "group_key": "buy_stone_with_usdt"
}

重要欄位

| 欄位 | 說明 | |------|------| | `payment_intent_id` | 用來比對你資料庫中的訂單 | | `status` | 判斷該做什麼處理 | | `payment_tx_hash` | 成功時的區塊鏈交易 Hash | | `received_crypto_amount` | 實際收到的加密貨幣金額 | | `aggregated_crypto_amount` | 扣除手續費後的金額 | | `refund_tx_hash` | 退款時的區塊鏈交易 Hash | | `refund_amount` | 退款金額 | | `order_data` | 你建立 Payment Intent 時傳入的自訂資料 |

---

詳細參考文件

  • [程式碼範例 (Node.js/Python)](references/code-examples.md)
  • [Callback Payload 完整格式](references/callback-payload.md)
  • [疑難排解](references/troubleshooting.md)
Read more
Ships withpaid-tw-skills

台灣第三方金流 Skills for AI Agents - 藍新金流、綠界科技 ECPay、統一金流 PAYUNi、KryptoGO 穩定幣支付 支援 Claude Code、Cursor、Codex、GitHub Copilot 等 AI coding agents。

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