Webshop Test
Before launch, you can use test accounts to verify the Web Shop UI and payment flow. Register a test ID to test Web Shop features.
At least one Sandbox payment test is required before you can start selling. Required API integrations must be configured before testing. For details, see the Webshop Integration Guide.
Test Environments
Web Shop payment testing supports both the development environment (Sandbox) and the production payment environment (Production Test).
Sandbox Environment
A simulated payment environment where no actual payment is made. You can test the Web Shop UI and payment flow without affecting the live service.
On the payment screen, you can select either Payment Success or Payment Failure, and the selected response is returned as the payment result.
At least one Sandbox payment test is required before you can start selling through the Web Shop.
Sandbox payments can be canceled directly from the Payment Test History menu.
Production Environment
Uses the same payment screen provided to actual users.
Actual charges will occur when testing payments in the Production environment.
Under ONE store policy, developers cannot cancel actual payments directly. If a cancellation is required, contact Customer Support (CS).
Register Test ID
To test Web Shop features, first register a ONE store account as a test ID. You can register a test ID under Developer > Test ID.
When registering a test ID, select either the Sandbox or Production payment environment. The corresponding payment screen will be displayed during payment testing.

Sign In with a Test ID
Sign in to the Web Shop using the ONE store account registered as a test ID. A banner will appear at the top of the page:
"You are signed in with a test account. Purchase an item now to test the payment flow."
You can then view registered items and test purchases.
Note
To test the Web Shop, you must register at least one item first. Some features may not work properly if you enter the test environment without any registered items.

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