Welcome to the ePower Portal. Here you will find our latest ePower specification documents.
Shift4 Payment API
Shift4 API enables payment requests using HTTPS.
| Document | Version | Last Updated | Size |
|---|---|---|---|
| [Shift4] - Payments Platform API | 1.10 | September 2026 | |
| [Shift4] - Card Present Specifications | 2.9 rev 10 | July 2026 | |
| [Shift4] - Alternative Payment Methods API | 2.4 rev 6 | July 2026 | |
| [Shift4] - Global Processors API Specifications | 1.2 rev 5 | August 2026 | |
| [Shift4] - Transit Specifications | 2.0 | December 2023 | |
| [Shift4] - Network Token Connectivity (standalone) | 1.5 | May 2026 | |
| [Shift4] - Dynamic Currency Conversion (DCC) API Specifications | 1.2 | December 2025 | |
| BSP Integration | 1.5 rev 1 | December 2025 |
Scroll - Right
Shift4 Data Services
Shift4 data services allow you to retrieve data and perform operations via SFTP or API calls.
| Document | Version | Last Updated | Size |
|---|---|---|---|
| [Shift4] - Reporting Data Transfer Specifications | 6.4 rev 5 | July 2026 | |
| [Shift4] - Data Open API Specifications | 2.6 | April 2026 | |
| [Shift4] - Account Updater on Demand API Specifications | 1.3 | October 2025 | |
| [Shift4]- Settlement Statement Specifications | 1.5 rev 4 | June 2026 | |
| [Shift4] - SmartGuard Specifications | 1.1 | November 2023 |
Scroll - Right
Shift4 Payment Page Services
Shift4 Payment Page Services allow you to securely accept payments with hosted payment data solutions.
| Document | Version | Last Updated | Size |
|---|---|---|---|
| [Shift4] - Code Payment Page Specifications | 2.6 rev 3 | July 2026 | |
| [Shift4] - Form Payment Page Specifications | 2.6 rev 3 | July 2026 | |
| [Shift4] - PayByLink Specifications | 2.1 | 4 January 2021 |
Scroll - Right
Merchant Management for Partners
| Document | Version | Last Updated | Size |
|---|---|---|---|
| [Shift4] - Merchant Management API | 1.6 rev 10 | August 2026 | |
| [Shift4] - Payment Facilitator Immediate Setup Specifications | 1.8 rev 3 | October 2025 |
Scroll - Right
eCommerce Platforms
| Document | Version | Last Updated | Size |
|---|---|---|---|
| [Shift4] - Woo Commerce Extension User Guide | 1.1 | January 2024 | |
| [Shift4] - Magento 2 Extension User Guide | 1.1 | January 2024 |
Scroll - Right
Business Requirements
| Document | Version | Last Updated | Size |
|---|---|---|---|
| [Shift4] - Subscription & Free Trial - Scheme Guidelines | 2.1 | November 2023 | |
| [Shift4] - Marketplace Guidelines | 2.0 | November 2023 | |
| [Shift4] - Incremental Authorisation Implementation Guidelines | 1.0 | November 2023 | |
| [Shift4] - Decline Handling Guide | 1.6 | January 2026 | |
| [Shift4] - AFT Guide | 2.1 | August 2026 | |
| [Shift4] - Consumer Choice and Co-badged Cards Guidelines | 1.0 | November 2024 | |
| [Shift4] - DCC Implementation Guide | 1.0 | February 2025 |
Scroll - Right