--- title: "Sandbox Utilization Guidelines" slug: "sandbox-utilization-guidelines" updated: 2026-01-02T17:18:02Z published: 2026-01-02T17:18:02Z canonical: "resource.payrix.com/sandbox-utilization-guidelines" stale: true --- > ## Documentation Index > Fetch the complete documentation index at: https://resource.payrix.com/llms.txt > Use this file to discover all available pages before exploring further. # Sandbox Utilization Guidelines When using the Payrix Pro Sandbox environment for testing, keep in mind the following limitations: - No more than 10 concurrent threads. This also applies to Production processing. - Data retention limited to a maximum of 240 days. - Daily limit of 1000 new transactions. - Daily limit of 100 new merchants created. > [!NOTE] > Note > > If you need to exceed these limitations, speak with your Partner Experience Manager and Implementation Manager. They’ll help you schedule a date and time so that your activity won’t impact other users or cause an alert in our system. > [!WARNING] > Important! > > **Do not** use the Sandbox environment for performance testing without prior Worldpay for Platforms approval as it is a shared environment.