---
title: "Payment Optimization and Compliance"
slug: "payment-optimization-and-compliance"
status: "update"
updated: 2026-10-05T21:00:25Z
published: 2026-10-05T21:00:25Z
canonical: "resource.payrix.com/payment-optimization-and-compliance"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://resource.payrix.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Payment Optimization and Compliance

Payrix Pro includes features for your merchants to optimize payments, invoice their customers, and reduce your transaction fees. The following articles describe each feature and provide any required implementation details:

- [Account Updater Setup](/v1/docs/account-updater-setup)
- [Enable Emailed Receipts](/v1/docs/enable-emailed-receipts)
- [Enable FraudSight](/v1/docs/enable-fraudsight)
- [Enable Invoicing](/v1/docs/enable-invoicing)
- [Enable SaferPayments](/v1/docs/enable-saferpayments)
- [Interchange Data Requirements](/v1/docs/interchange-data-requirements)
- [Submit Level 2 and Level 3 Data](/v1/docs/submit-level-2-and-level-3-data)
- [Review 3D Secure results](/v1/docs/3d-secure-data)

A PayFac-as-a-service platform. Software companies can act as payment facilitators without taking on the associated risks, compliance burdens, and investment.

The movement of funds between a customer (cardholder or eCheck account holder) and a merchant to purchase a good or service.