# GET STARTED This section contains what you need to start using **One-Shot**: prerequisites, sandbox access, RAO tokens, architecture, and signing flow. ## Contents - **[Get started with One-Shot](/products/namirialpkiaas/one-shot/enterprise-documentation/get-started/get-started)** — Prerequisites, sandbox, and RAO token. - **[Architecture](/products/namirialpkiaas/one-shot/enterprise-documentation/get-started/architecture)** — One-Shot Optimizer, business layer, and Uanataca Trusted Service Center. - **[Signing flow](/products/namirialpkiaas/one-shot/enterprise-documentation/get-started/signing-flow)** — High-level steps and workflow types. Use these before installing or configuring. See [Workflows](/products/namirialpkiaas/one-shot/enterprise-documentation/products-and-modules/workflows/overview), [API reference](/products/namirialpkiaas/one-shot/enterprise-documentation/developer-documentation/api/api-reference), and [Webhooks](/products/namirialpkiaas/one-shot/enterprise-documentation/developer-documentation/callbacks/webhooks).