API Reference | PLEX-DEMO

The Plex API reference provides interactive documentation for all available REST APIs. Each endpoint includes request and response schemas, parameter details, and code examples you can use to integrate directly with the Plex platform.

Available APIs

API	Description
Accounts Payable Payments	Retrieve AP payment records for reconciliation, reporting, and audit purposes
Accounts Receivable Deposits	Access AR deposit and deposit line data for tracking customer payments
Accounts Receivable Invoices	Manage AR invoices including creation, retrieval, and line-item details
Contacts	Create, update, search, and delete contact records associated with customers, suppliers, and other entities
Customers	Manage customer master data including addresses, financial details, and lifecycle status
Purchase Orders	Create and manage purchase orders, line items, and supplier purchasing workflows
Sales Orders	Create and manage sales orders, line items, and customer order workflows

Using the API Explorer

Each endpoint page includes an interactive API Explorer. You can fill in parameters, send requests, and inspect responses directly in the browser — no external tools required.

Authentication

All API requests require authentication. Include your API key in the request headers when making calls to any Plex endpoint.