> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.simz.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.simz.com/_mcp/server.

# API Reference Overview

> Public SimZ API reference for submitting leads.

The public SimZ API Reference currently documents only the Lead Receive submission endpoint. Other portal, billing, webhook management, support, and internal APIs are intentionally not published.

## Authentication models

| API area         | Auth method                        |
| ---------------- | ---------------------------------- |
| Lead Receive API | `X-Company-API-Key: <key>` header. |

## Included API groups

* Lead Receive: submit leads to a SimZ agent.

## Excluded API groups

Billing, support, webhook management, portal authentication, agent listing, API key administration, and private operational APIs are not included in this public API reference.