# ADMINISTRATOR GUIDES **Uanataca Timestamp** (TSA) is an **online service**. There is no server to install or maintain on your side. - **Endpoints** and **Billing credentials** are configured per environment (sandbox or production). See [Get started](/products/namirialpkiaas/timestamp/enterprise-documentation/get-started/overview) for URLs and authentication. - No local configuration, ports, or rootstore are required as with signature services. For endpoint URLs and credential management, use the [Get started](/products/namirialpkiaas/timestamp/enterprise-documentation/get-started/overview) section.