> This page is for version V1 (default).
> For other versions, use one of these documentation indexes:
> - V1 (default): https://docs.ottimate.com/v-1/llms.txt

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

# Overview

### Ottimate V1 API Capabilities

The Ottimate API lets you integrate with Ottimate's accounts payable platform. It's a standard REST API using JSON over HTTPS with proper HTTP methods and status codes.

With the Ottimate API, you can:

* **Manage data** - Fetch and update invoices, vendors, and dimensions in Ottimate
* **Build ERP integrations** - Sync accounting data from unsupported ERPs to Ottimate

## How Ottimate Works

![Ottimate Workflow](file:docs/assets/ottimate-flow.png "Basic Ottimate workflow")

Ottimate comprises the following main services, each accessible via API:

* **InstantCapture** - Extracts invoice data from PDFs and images. Handles complex invoices with hundreds of line items.
* **Core AP** - Automates accounts payable processing. Syncs data from your ERP, maps invoices to accounting dimensions, then exports completed bills back to your ERP.
* **VendorPay** - Sends payments via ACH, check, or virtual card.
* **Reports** - Shows spending patterns, cost breakdowns, and process metrics.

Not all endpoints are currently available. Please see [Releases](/releases) for current availability.

### This document

| Tab                                 | Description                                                                               |
| ----------------------------------- | ----------------------------------------------------------------------------------------- |
| **[Documentation](/welcome)**       | Introduces essential Ottimate concepts, operations, and common integration patterns       |
| **[API reference](/api-reference)** | Detailed specification of all endpoints, methods, data models, result codes with examples |