> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dolfinai.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Dolfin API Documentation

> Agentic Financial Operations API, embedded in your platform

## Welcome to Dolfin

Dolfin is an embedded financial operations API for SMB platforms. Give your SMB customers autonomous invoicing, payables, expenses and payroll - without building it yourself.

Your backend provisions organisations and users. Your users get a fully agentic financial ops experience, embedded directly inside your product.

## Sandbox Environment

We have a sandbox environment where you can test the API and build your integration. The sandbox has the same functionality as production, but with test data and no real-world consequences.
Our Dolfin Sandbox is invite only.

Contact us at [hello@dolfinai.co](mailto:hello@dolfinai.co) to get access.

<CardGroup cols={2}>
  <Card title="Authentication" icon="key" href="/guides/authentication">
    Learn how to authenticate with the API using API keys or bearer tokens.
  </Card>

  <Card title="Client Integration" icon="rocket" href="/guides/client-integration">
    End-to-end guide for onboarding users and generating session tokens.
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/introduction">
    Full reference for all API endpoints.
  </Card>

  <Card title="OpenAPI Spec" icon="download" href="/api-reference/openapi.json">
    Download the full OpenAPI 3.1 spec to generate clients or import into your tools.
  </Card>
</CardGroup>