Vercel Sandbox can now run for up to 24 hours
Vercel has updated its Sandbox feature, increasing the maximum runtime from a shorter duration to 24 hours. The Sandbox provides an isolated environment for testing and debugging serverless functions, APIs, and other code directly within the Vercel platform. With this extension, developers can now run long-lived processes, such as data migrations, batch jobs, or complex integration tests, without needing to restart the sandbox. This change is particularly beneficial for debugging intermittent issues that require prolonged observation or for testing workflows that span multiple hours. The update applies to all Vercel users and does not require any configuration changes; existing sandboxes will automatically inherit the new limit. Vercel's changelog entry notes that the 24-hour limit is the new maximum, after which the sandbox will automatically stop to manage resource usage.
Developers can now run extended debugging and testing sessions without interruption.