Upgrade PayPal Integration to V6

@rajat07me

Hi, I can handle this PayPal upgrade for your custom Apache/PHP store. Your brief is clear, and that helps a lot since the main work is replacing the older integration with V6 while preserving purchases, refunds, and order confirmation hooks. I’ll also keep the code clean and documented, update the webhook/env details properly, and test in both sandbox and live so checkout stays stable. This is the kind of focused backend task I can complete without dragging it out.

@webbookstudio

Hi there, We understand you need to upgrade your PayPal integration to V6 for your custom e-commerce website, ensuring all current payment features like one-time purchases, refunds, and order confirmation hooks are carried over seamlessly. Our team has experience with PayPal's REST API and JS SDK, as well as working on Apache/PHP setups, having completed projects like the website for a luxury leather retailer using PHP and custom design, and multiple WooCommerce stores with integrated payment systems. Can you tell us more about your current repository setup and how you'd like us to handle the deployment of the updated code? Feel free to message us to discuss the details! — Webbook Studio

@ahmadayaz

I specialize in upgrading e-commerce sites with expertise in REST APIs, PayPal V6 integration, and Apache/PHP environments. I ensure a smooth transition by replacing outdated PayPal code while maintaining essential functions like order confirmation and refunds. Detailed documentation, sandbox and live testing, and seamless deployment are my strengths. Let's partner to enhance your site's reliability and plan for future technology needs, exceeding your expectations every step of the way.

@gauravgargcs

Hello, I understand you need to upgrade your custom Apache/PHP e-commerce site from the legacy PayPal integration to the latest V6 while preserving your existing checkout, refunds, and webhook functionality. With 10+ years of PHP and payment gateway integration experience, I'll deliver clean, well-documented code, complete sandbox/live testing, and a smooth, secure migration. Let's discuss your current setup and get started. thank you Regards Gaurav Garg

@kamran2012

Interesting project, I will replace your existing PayPal integration with the V6 REST SDK, carrying over one-time purchases, refunds, and order confirmation webhooks. You will get well-commented code plus a changelog covering updated endpoints and new environment variables. I will test on a staging copy first, so your live checkout is never touched until sandbox and production both pass cleanly. Questions: 1) Is the current codebase PHP 7.x or 8.x? 2) Are the existing webhooks hitting a single endpoint or multiple listeners? Share your repo access and I will audit the current PayPal calls today. Looking forward to your response. Best regards, Kamran

@webperfection123

Hi, I can help you upgrade your PayPal integration to V6 efficiently while ensuring all features are carried over without disrupting the user experience. With over 10+ years of experience in PHP and working on custom e-commerce solutions, I’m familiar with PayPal’s V6 REST and JS SDK. I will replace the existing code, implement the necessary webhooks, and thoroughly test both the sandbox and live environments. You’ll receive clean, well-commented code pushed to your repository and a detailed changelog. I’m confident this can be a quick win for us. Let me know if you’d like to discuss this further! Best Regards, Priyanka

@techplusintl

Hi, ★★★ Apache / PHP / PayPal v6 REST API EXPERT ★★★ To replace the existing PayPal code with V6, I'll ensure a seamless integration that carries over all current payment features, including one-time purchases, refunds, and order confirmation hooks. I will provide clean, well-commented code pushed to your repository along with a brief changelog detailing updated endpoints, webhooks, and any new environment variables. Additionally, I will confirm that transactions succeed in both sandbox and production environments. Happy to discuss the details.

@KatrinaQ

Hi, I'm a senior developer with 20+ years of experience, Top Rated on Freelancer.com with 1,500+ completed projects and a 5-star record, and I've upgraded PayPal integrations multiple times, including V6 migrations. I'll review your current PayPal code, replace it with V6 REST API endpoints while preserving one-time purchases, refunds, and order hooks, then test sandbox and live transactions to ensure checkout continuity. I'll push clean, commented code to your repo with a changelog detailing updated endpoints, webhooks, and any new environment variables. I'll verify successful transactions in both sandbox and production before marking this complete. I can start immediately.

@seefattechnologi

Ready to do this job as its perfect match with my skills --------->>Upgrade PayPal Integration to V6 I am an CREATIVE/Multitalented PHP/Full stack developer having rich experience with all the latest technologies with so many successful Tasks. I have some queries to give you accurate time Please ping me to get started and provide you great results. Thanks!!!

@rizwange4

Hello, I have experience integrating and upgrading **PayPal REST/JavaScript SDK** on custom **PHP/Apache** applications and can migrate your current integration to the latest PayPal API while preserving your existing checkout flow. I will: * Replace the legacy PayPal integration with the latest supported API. * Maintain all existing functionality, including one-time payments, refunds, and order confirmation webhooks. * Update endpoints, webhooks, and required environment variables. * Thoroughly test the integration in both **PayPal Sandbox** and **Production**. * Deliver clean, well-documented code with clear commit history and a concise changelog. My priority is a smooth, secure migration with zero disruption to your customers and a fully functional checkout experience. **Best regards,** **Muhammad Rizwan LA**

@extreamcode

Hi, I can see the real risk here isn’t just swapping a PayPal version , it’s preserving every checkout behavior while changing the payment core underneath it. I’ve handled PHP/Apache payment integrations and API migrations where refunds, confirmation hooks, and sandbox/live parity all had to stay stable. I’ll replace the older PayPal implementation with V6, keep the existing one-time purchase flow intact, and verify webhook/order-confirmation behavior end to end. I’ll also make the code cleanly commented, add the changelog for endpoints and environment variables, and test both sandbox and production so you get a safe cutover. I’ve shared an initial estimate based on your description, and once we go over a few technical or functional details, I’ll confirm the exact cost and delivery schedule. Could you confirm which PayPal integration is currently in place, and whether refunds are processed server-side or through webhooks? Also, do you already have the V6 credentials and return/callback URLs prepared? Looking forward to your reply so we can finalize the exact plan. Thanks, Asad

@starttechno

Your PayPal migration to V6 on a custom Apache/PHP stack is exactly the kind of clean, no-CMS work I like — nothing fighting Shopify or Magento conventions underneath. I'd swap the legacy API for the V6 REST + JS SDK while keeping one-time purchases, refunds, and your order confirmation hooks intact, so checkout behaves identically to today. Plan: wire the new OAuth client-credentials flow and env vars, rebuild capture and refund calls against V6 endpoints, and move order confirmations onto verified V6 webhooks (signature-checked so nothing can spoof a paid status). I'd run the full flow in sandbox first — purchase, refund, webhook delivery — then repeat against live with a small real transaction to confirm production before sign-off. You'd get commented code pushed to your repo, plus a changelog listing changed endpoints, webhook events, and any new environment variables. One scoping question: are your order confirmation hooks currently fired server-side from PayPal webhooks, or client-side from the JS SDK onApprove callback? That decides whether I harden webhook verification or the capture path. Muhammad Saad

@komalshaikh92

Hello! I am ready to help you with Upgrading PayPal Integration to V6, Exactly as you want. I have lots of experience in PHP, PayPal API Integration, REST APIs, JavaScript SDK, Payment Gateway Integration, Apache Server, Backend Development, Webhooks, and E-commerce Development. Must check our profile to check amazing ratings and reviews: https://www.freelancer.com/u/komalshaikh92 My approach: • Review the existing PayPal integration and understand the current payment flow, endpoints, and webhook handling. • Upgrade the implementation to PayPal V6 while preserving all existing features including one-time payments, refunds, and order confirmation callbacks. • Configure and test the integration in both PayPal Sandbox and Live environments to ensure secure and reliable transactions. • Provide clean, well-documented code with a changelog covering updated APIs, webhooks, configuration changes, and required environment variables. Few questions regarding the project: • Could you please share the current PayPal integration details and the technology stack/version used in the PHP backend? • Are there any custom payment flows or additional PayPal features currently implemented besides payments and refunds? • Do you already have PayPal Sandbox and Live credentials ready for testing? I am available to chat or a call to discuss the project right now. Thankyou,

@kuldeepak05

Hi, I can help with this migration. I have experience upgrading PayPal integrations on custom PHP/Apache applications and understand the importance of preserving the existing checkout flow while modernizing the payment layer. Before starting, I'd review the existing codebase to understand how PayPal is currently integrated so the migration is as seamless as possible. If you can share the repository (or the relevant payment module) along with the current PHP version and PayPal integration details, I can estimate the effort and begin the upgrade right away. Thanks

@sunilsharma15495

★★★★★★ START NOW ★★★★★★ Message me so we talk in detail.. Hello, I can Upgrade PayPal Integration to V6 perfectly !! I placed bid after checking your requirements. If you want you can ask me any questions regarding your requirement. I'm interested in working on your project. And don't worry about work. First, check my work if you are happy Then pay me. Please let me know if you require any detailed information. Waiting for your reply. I hope you respond to me. Thanks Sunil

@kamransiyal9

As an experienced developer, I fully understand the critical aspect of maintaining robust systems for your e-commerce platform. With a proven track record of creating and upgrading successful APIs and integrations for my clients, I am confident that I can deliver exactly what you need. Having worked extensively with PayPal's V6 REST and JS SDK in the past, your project aligns perfectly with my expertise. What sets me apart and makes me an ideal choice for this task is my focus on the overall functionality and quality of the system rather than quick fixes that tend to create issues down the line. Upon completion, you can expect clean, well-commented code pushed directly into your repository along with a detailed change log elucidating all necessary modifications for future reference. You can also rest easy knowing that I'll carry out meticulous sandbox and live testing to ensure uninterrupted checkout flow. All in all, this project is incredibly well-suited to my skill set and interests. Not only do I specialize in e-commerce and necessary JavaScript and PHP skills, but I also have a deep understanding of what it takes to build scalable applications like yours. So if reliability, scalability, and maintainability matter most to you (as it does to me), let's join forces on this important upgrade mission!

@godesignpk

Good afternoon, I can help upgrade your PayPal integration to V6 on your custom Apache/PHP e-commerce site. I'll ensure the new API supports one-time purchases, refunds, and order confirmation hooks with clean, well-commented code. Testing in both sandbox and live environments will be thorough to keep your checkout flow smooth and reliable. Do you already have repository access and sandbox credentials ready for the update? Best regards, Waqas & GoDesign Team

@anirudhat

The two things I'd watch on a PayPal version upgrade are auth and webhooks, because that's where these migrations quietly break: the newer flow uses OAuth2 client-credential tokens rather than the older style, and refunds plus your order-confirmation hooks depend on webhook events being verified correctly — if the signature verification isn't ported over properly, payments look fine but confirmations silently stop firing. So my approach is to first map your existing integration (which endpoints, which events fire your order hooks and refund flow), rebuild it against the current PayPal REST/JS SDK on your Apache/PHP stack with credentials moved into environment variables, then test the full cycle in sandbox — one-time purchase, refund, and the confirmation hook — before flipping to live and running a small real transaction to confirm production works end to end. You'll get clean, commented code in your repo, a changelog covering the new endpoints, webhooks and env vars, and confirmation of passing sandbox and live tests. I can start right away.

@dbuglab

Hi, I can help you upgrade your existing PayPal integration to the latest V6 API without disrupting your current checkout flow. I'll replace the legacy PayPal code while preserving all current functionality, including one-time payments, refunds, order confirmation hooks, and webhook handling. Everything will be thoroughly tested in both Sandbox and Production, and I'll provide clean, well-commented code, a changelog, and all necessary environment updates. Could you let me know which PayPal API version you're currently using and which PHP version your server is running? That will help me plan the migration smoothly. Looking forward to working with you! Best regards Mukesh