> For the complete documentation index, see [llms.txt](https://docs.mastersindia.co/einvoicing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mastersindia.co/einvoicing/environments.md).

# Environments

<table><thead><tr><th>Website URL</th><th>API URL</th><th>Environment</th><th data-hidden>ZATCA Einvoice URL</th></tr></thead><tbody><tr><td><a href="https://pre-edoc.mastersindia.co/">https://sandb</a><a href="https://pre-edoc.mastersindia.co/">-edoc.mastersindia.co</a></td><td><a href="https://sandb-api.mastersindia.co">https://sandb-api.mastersindia.co</a></td><td>SANDBOX</td><td><a href="https://gw-fatoora.zatca.gov.sa/e-invoicing/developer-portal">https://gw-fatoora.zatca.gov.sa/e-invoicing/developer-portal</a></td></tr><tr><td><a href="https://edoc.mastersindia.co/">https://edoc.mastersindia.co</a></td><td><a href="https://router.mastersindia.co">https://router.mastersindia.co</a></td><td>PRODUCTION</td><td><a href="https://gw-fatoora.zatca.gov.sa/e-invoicing/core">https://gw-fatoora.zatca.gov.sa/e-invoicing/core</a></td></tr></tbody></table>

* **Website URL** - The Frontend site from where the onboarding/registration can be done
* **API URL** - The Backend URL from where the APIs are exposed for you to integrate