# GET STARTED

This section contains what you need to start using **eSAW One-Shot**: endpoints, authentication (Uanataca client certificate and eSignAnywhere API key), architecture, and signing flow.

## Contents

- **[Get started with eSAW One-Shot](/products/namirialpkiaas/esaw-one-shot/enterprise-documentation/get-started/get-started)** — Endpoint URLs, authentication, and prerequisites.
- **[Architecture](/products/namirialpkiaas/esaw-one-shot/enterprise-documentation/get-started/architecture)** — How Uanataca and eSignAnywhere work together.
- **[Signing flow](/products/namirialpkiaas/esaw-one-shot/enterprise-documentation/get-started/signing-flow)** — Create request → upload file → send envelope.


Use these before calling the APIs. See [API reference](/products/namirialpkiaas/esaw-one-shot/enterprise-documentation/developer-documentation/api/api-reference) and [Postman collection](/products/namirialpkiaas/esaw-one-shot/enterprise-documentation/developer-documentation/resources/postman) for integration details.