# 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 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 Before sending your requests to the LIVE environment, please ensure you have a valid subscription --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://support.emsigner.com/apis/signer-gateway/getting-started/sandbox-and-going-live.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.