Overview
Introduction to the Ottimate Public API platform
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 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 for current availability.

