---
title: "Stax integration"
url: "https://unified.to/integrations/stax"
description: "Stax API integration and MCP server via Unified.to's real-time unified API."
---
# Stax API integration & MCP server

Connect Stax to your application with Unified.to's real-time unified API and MCP platform. One API, data model, authorization flow, and webhook system — no per-integration code.

- **Categories:** Payments, Accounting, E-Commerce, HR & Directory
- **Status:** Beta
- **Website:** https://staxpayments.com
- **Provider API docs:** https://docs.staxpayments.com/reference/overview

## Supported unified data models

- ACCOUNTING Contact
- ACCOUNTING Invoice
- COMMERCE Item
- HRIS Employee
- PAYMENT Link
- Payment
- PAYMENT Refund
- PAYMENT Subscription

## Links

- [Add Stax to your app](https://app.unified.to)
- [Feature support](https://docs.unified.to/payment/integrations)
- [All integrations](https://unified.to/integrations.md)