Build and Run Queries
Use the Apollo Sandbox to build and run operations against your router
The Apollo Router serves the following landing page from its base URL (http://localhost:4000
by default):
![Apollo Router default landing page](/docs/db1146d295220a862a1374847b4a1d43/as-landing-page.jpg)
Apollo Sandbox
The landing page above provides a link to Apollo Sandbox, a powerful web IDE that enables you to build and run operations against your router. Sandbox is a special mode of GraphOS Studio that doesn't require an Apollo account.
![Apollo Sandbox](/docs/b14e5c6ad1ceddecb0da4b576e2a28f9/sandbox.jpg)