PayPay system maintenance affecting order APIs

Yahoo! ShoppingMaintenance

Scheduled PayPay system maintenance on Yahoo! Shopping will temporarily restrict amount changes and delay refunds across four order APIs.

Changes

  • Maintenance runs on September 28, 2026 from 01:30 to 05:00, with the end time subject to slight change
  • Changing order amounts for PayPay balance or PayPay credit payments is unavailable during the window
  • Refund processing for PayPay payments is delayed when changing the payment method to bank transfer or cash on delivery, or when canceling an order
  • Affected APIs are 注文内容変更API, 注文ステータス変更API, 注文ライン追加API, and 注文分割API

Affected areas

注文内容変更API注文ステータス変更API注文ライン追加API注文分割API

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This summary is independently created by Release Radar and is not an official announcement from the vendor. Please read the official page for accurate details.

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