Browse free open source PHP Payment Gateways and projects below. Use the toggles on the left to filter open source PHP Payment Gateways by OS, license, language, programming language, and project status.

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    Auth0 for AI Agents now in GA

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    Grafana: The open and composable observability platform

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  • 1
    Omnipay

    Omnipay

    A framework agnostic, multi-gateway payment processing library

    Omnipay is a payment processing library for PHP. It has been designed based on ideas from Active Merchant, plus experience implementing dozens of gateways for CI Merchant. It has a clear and consistent API, is fully unit tested, and even comes with an example application to get you started. You can learn one API and use it in multiple projects using different payment gateways. If you need to change payment gateways you won’t need to rewrite your code. Most official PHP payment gateway libraries are a mess. Most payment gateways have exceptionally poor documentation. So, why use Omnipay instead of a gateway’s official PHP package/example code? Because you are writing a shopping cart and need to support multiple gateways.
    Downloads: 1 This Week
    Last Update:
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  • 2
    This is a simple Authorize.net payment module that handles a lot of validation for credit card numbers, card codes, user info and error reporting from the Authorize.net payment gateway.
    Downloads: 1 This Week
    Last Update:
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  • 3
    Astercard is a asterisk addon that will enable an asterisk PBX to accept credit card payments over the telephone.The AGI script written in PHP that will process credit card payments with the EWAY payment gateway 30 downloads and no donations *DONATE NOW*
    Downloads: 0 This Week
    Last Update:
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  • 4
    Dopays is the better software solution to start your own PayPal, StormPay, SolarPay or e-gold type of online business. The Dopays software is a system where members can buy virtual credits to spend at in the different members' sites.
    Downloads: 0 This Week
    Last Update:
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  • eProcurement Software Icon
    eProcurement Software

    Enterprises and companies seeking a solution to manage all their procurement operations and processes

    eBuyerAssist by Eyvo is a cloud-based procurement solution designed for businesses of all sizes and industries. Fully modular and scalable, it streamlines the entire procurement lifecycle—from requisition to fulfillment. The platform includes powerful tools for strategic sourcing, supplier management, warehouse operations, and contract oversight. Additional modules cover purchase orders, approval workflows, inventory and asset management, customer orders, budget control, cost accounting, invoice matching, vendor credit checks, and risk analysis. eBuyerAssist centralizes all procurement functions into a single, easy-to-use system—improving visibility, control, and efficiency across your organization. Whether you're aiming to reduce costs, enhance compliance, or align procurement with broader business goals, eBuyerAssist helps you get there faster, smarter, and with measurable results.
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  • 5
    A PHP 5 application to provide a simple interface to the Innovative Gateway Solutions secure payment-processing gateway.
    Downloads: 0 This Week
    Last Update:
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  • 6
    Magento Payment Module for Payleap
    This module provides access to Payleap Payment Gateway. Specifically, this module uses the Direct Payment product of Payleap. Payleap Direct Payment allows payments without redirect the visitor to a Payleap website.
    Downloads: 0 This Week
    Last Update:
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  • 7
    P12PHP is a PHP library and examples that are intended to facilitate developers with the integration of departmental applications with the Payment Gateway of the Basque Administration. Opensource code distributed under Apache 2.0 license.
    Downloads: 0 This Week
    Last Update:
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  • 8
    Sample code to submit Subscription Based Recurring Billing Transactions and Secure Customer Information Storage to the PayLeap Payment Gateway. PayLeap Test Account or Live Production Account Required for testing.
    Downloads: 0 This Week
    Last Update:
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  • 9
    Implementation of PayPal PayFlow Pro API with PHP and CURL using the HTTP protocol (no SDK needed). Payflow Pro is the fully customizable online payment gateway solution to connect your online store with your existing internet merchant account.
    Downloads: 0 This Week
    Last Update:
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  • Rent Manager Software Icon
    Rent Manager Software

    Landlords, multi-family homes, manufactured home communities, single family homes, associations, commercial properties and mixed portfolios.

    Rent Manager is award-winning property management software built for residential, commercial, and short-term-stay portfolios of any size. The program’s fully customizable features include a double-entry accounting system, maintenance management/scheduling, marketing integration, mobile applications, more than 450 insightful reports, and an API that integrates with the best PropTech providers on the market.
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  • 10
    PHP based e-Commerce Payment Gateway for Italian Consorzio Triveneto S.p.A. The Class provide the methods to manage PaymentInit and NotificationMessage messages across Merchant and Payment Gateway.
    Downloads: 0 This Week
    Last Update:
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  • 11
    PHP based e-Commerce Payment Gateway for Portuguese MBNet and MO/TO Payment System. Foreseen (or available) plug-ins for osCommerce and its Ťloadedť versions, oscNuke, Zen-Cart, cpCommerce, 123TKshop and many more.
    Downloads: 0 This Week
    Last Update:
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  • 12
    The plimus payment module for the famous osCommerce script lets you integarte plimus payment gateway into your existant store and start accepting credit card and paypal. email chaouch.salah@gmail.com for update
    Downloads: 0 This Week
    Last Update:
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  • 13
    The Universal Payment Processor provides an interface to configure and use any major credit card payment gateway via a PHP library. The initial version of this library is intended for shopping carts and e-commerce applications using PHP and MySQL.
    Downloads: 0 This Week
    Last Update:
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  • 14
    The eWay Payment Gateway for Made Simple. It works with Product, Orders and Cart modules. From V 1.0.0 it works in commercial environment . For comercial support and customisation contact OLALA.COM.AU(tm)
    Downloads: 0 This Week
    Last Update:
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