PayPay FAQs

Question 1

What specific payment actions can I perform using PayPay-MCP?

Accepted Answer

You can generate dynamic PayPay QR codes with payment URLs and deeplinks, fetch and monitor real-time payment statuses, process full or partial refunds for completed transactions, and cancel payments that are in uncertain states before completion.

Question 2

How does PayPay-MCP interact with AI agent platforms?

Accepted Answer

As an MCP server, PayPay-MCP provides a set of tools that AI agent clients like Claude Desktop, Claude Code, Cursor, and others can call directly. This allows AI agents to automate tasks related to PayPay payments, such as accepting payments or processing refunds.

Question 3

Are there any specific constraints or requirements for using PayPay-MCP?

Accepted Answer

Yes, amounts are handled in integer JPY. Payments can be canceled until 00:14:59 JST the day after the attempt, after which a refund is required. For production, you need PayPay merchant onboarding and to explicitly set `PAYPAY_ENV=production`.

Question 4

What is PayPay-MCP and its primary function?

Accepted Answer

PayPay-MCP (Model Context Protocol) is a server that seamlessly integrates with the PayPay Open Payment API, enabling AI agents and other MCP-compatible clients to manage various PayPay payment operations, from creation to refunds.

Question 5

What credentials are needed to configure PayPay-MCP?

Accepted Answer

You will need your OPA API Key ID, OPA API Key Secret, and Merchant ID, all obtainable from your PayPay Developer Dashboard. These are required for both sandbox and production environments.

PayPay

PayPay

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主要功能

使用案例