# API

- [Overview](/api/overview.md): To create integrations, retrieve data, and automate your workflows, build with the EngineRoom REST API.
- [Quick Start](/api/quick-start.md): Learn how to get started with the EngineRoom REST API
- [Authentication](/api/authentication.md): You can authenticate to the REST API to access all endponts
- [API Reference](/api/api-reference.md)
- [Leads](/api/api-reference/leads.md): Use the REST API to interact with Leads
- [Sales](/api/api-reference/sales.md): Use the REST API to interact with Sales/Invoices
- [Webhooks](/api/api-reference/webhooks.md): Use the REST API to interact with Webhooks
- [Users](/api/api-reference/users.md): Use the REST API to retrieve current user information
- [Rate Limits](/api/rate-limits.md): Learn about API rate limits and how to work with them