> For the complete documentation index, see [llms.txt](https://docs.emsigner.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.emsigner.com/apis/signer-gateway/getting-started/sandbox-and-going-live.md).

# Sandbox and Going LIVE

### Sandbox Environment

emSigner offers a sandbox or demo environment for you to test your signer gateway before moving them to production.

The demo environment endpoint URL is <https://demogateway.emsigner.com>

To create a subscription in the demo environment (demo.emsigner.com), please contact us.

### Going Live

Once you have successfully tested the signer gateway calls in demo environment, all you have to do is switch the URL calls to <https://gateway.emsigner.com>

Before sending your requests to the LIVE environment, please ensure you have a valid subscription