Webshop Test
Before starting commercial sales, the Webshop allows you to verify screen configuration and payment flows using test accounts.
By registering a test ID according to the process, you can test Webshop functions without affecting the live service.
At least one Sandbox payment test is required to Start Selling.
To perform payment tests successfully, required API integrations must be completed in advance. For details, refer to the Webshop Integration Guide.
Test Environment Types
Webshop payment tests support both Sandbox Environment and Commercial Environment.
Sandbox Environment
A virtual payment environment where no actual payment occurs.
You can select either Payment Success or Payment Failure on the payment screen, and the selected response is returned as-is.
At least one Sandbox payment test is mandatory to Start Selling.
Commercial Environment
The actual payment screen shown to real users.
Testing in this environment triggers real payments for the selected item, so proceed with caution.
Cancellation is available in the Payment Test History menu.
Register Test ID
To test Webshop functions, you must register a ONE store account as a Test ID.
Test IDs can be registered in: Developer Center > Webshop Test > Manage the Test IDs
When registering a Test ID, select either Sandbox Environment or Commercial Environment. The payment screen shown during testing will match the environment you select.

Test ID Login
Log in with the ONE store account registered as a Test ID to access the Webshop test page.
On the Webshop test screen, you can verify and purchase registered items.
After successful login, the selected payment environment (Sandbox / Commercial) will be displayed at the top of the screen.
Important Notice
To run webshop tests, you must register items in advance. Entering the webshop test environment without any registered items may cause some features to function improperly.

FAQ
Q. Newly registered titles or items are not appearing on the test screen.
It may take some time for newly registered titles or items to be reflected. Please re-enter the Developer Center or the Webshop test screen after a short wait.
If the information is still not displayed, please check whether items are registered. Entering the web shop test environment without any registered items may cause some features to function improperly.
Q. Items in pre-sale status (Draft / Ready to Publish) are not appearing.
The test screen displays pre-sale items (Draft / Ready to Publish) for preview.
If items are not visible, data synchronization may be delayed. Please check again after a short time.
Q. Payment tests are not working properly.
Required API integrations (Server List, User Validation) are needed for successful payment tests. Please verify that all required integrations are completed.
For more details, refer to the Webshop Integration Guide.
Q. Sandbox or Commercial Test results are not showing in search
To search Sandbox or Production Test results, please use the correct Item ID based on the criteria below:
Sandbox
The identifier entered when registering the item (Item ID displayed in the Developer Center)
Commercial Test
The
productIdprovided via PNS
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