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I need PayPal Express Checkout added to my e-commerce site with the Inline Checkout experience, so customers finish payment in a lightbox without ever leaving the store. The cart total, shipping, taxes and currency must pass to PayPal automatically, and once the transaction is authorised the order status on my side should flip to “paid” and trigger our usual confirmation e-mails. You’ll connect the shop to my PayPal API credentials, wire up the JavaScript SDK, configure both sandbox and live modes, and supply any server-side hooks required for instant payment notification or webhooks. Clear setup notes and the exact code you touch or create will be part of the hand-off so I can maintain it later. Acceptance criteria • Inline checkout renders on cart/checkout pages and processes single-purchase payments smoothly. • Successful, failed and cancelled payments all return accurate messages and redirect flows. • Orders marked paid in the database match the PayPal transaction ID. • Works on current desktop and mobile browsers. My front-end is in place; it’s the PayPal logic I’m missing. If you’ve handled this before, especially on custom stores, I’m ready to get started right away.
Projekt-ID: 40267201
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I've integrated PayPal Express Inline Checkout on multiple custom e-commerce builds, so I know exactly what's needed to get the lightbox experience running seamlessly on your existing front end. My approach: I'll wire up the PayPal JavaScript SDK to your cart and checkout pages, passing cart totals, shipping, taxes, and currency dynamically, then build the server-side PHP handlers to create and capture orders via PayPal's REST API. I'll implement webhook listeners for instant payment notifications, update your order status to "paid" with the corresponding transaction ID, and trigger your confirmation emails on success. Both sandbox and live configurations will be included, along with clean error handling for failed and cancelled payments. I'll provide fully documented code and setup notes for easy long-term maintenance, and I'm ready to start immediately.
$10 USD på 1 dag
4,8
4,8
38 freelancere byder i gennemsnit $30 USD på dette job

Hello, With a seasoned background in web development and a specific command over HTML, JavaScript and PHP, I believe I am an ideal fit for your PayPal Express Inline Checkout integration project. For over _number_ years, my team at Our Software has been providing comprehensive web services including e-commerce websites and payment gateway integrations. Having already worked on numerous custom stores, I am confident in delivering a solution that impeccably suits your business needs. At inception, I will efficiently connect your shop to your PayPal API credentials and configure both the sandbox and live modes for thorough testing and seamless transition. I will ensure that the integration passes over every element of the transaction accurately - from cart total to taxes and beyond, for a smooth purchasing experience. Additionally, by incorporating server-side hooks such as instant payment notification or webhooks, I will guarantee that the order status flips to "paid" as soon as the transaction is authorized. Moreover, my commitment extends beyond successful integration; clear setup notes and code documentation will be provided so you can effortlessly maintain it in the future. This aligns with our devotion to excellent customer service; we don't just aim to deliver a project but create solutions that empower your business to transcend new heights. Let's collaborate to turn your PayPal logic into reality and add that "WOW" factor to Thanks!
$30 USD på 1 dag
8,6
8,6

Subject: Proposal for Your Web Development Project Hi, Afte r reviewing the details of your project , I’m excited about the potential to collaborate with you. With over a decade of experience in web development, I’m confident in my ability to deliver exceptional results. Here’s why I believe I’d be a great fit for your project: Front-End Development: I have expertise in HTML, CSS, JavaScript, and Bootstrap, enabling me to create visually appealing, responsive designs. Back-End Development: Proficient in CodeIgniter, Laravel, MySQL, and PHP, I can provide robust and scalable solutions. Platform Experience: I am well-versed in WordPress, Shopify, WooCommerce, Elementor, and Webflow. Design/UI/UX: I specialize in Figma, jQuery, and converting PSD files to HTML to ensure a seamless user experience. I am available to start right away and can accommodate your schedule. I would love to discuss how I can help bring your project to fruition. Looking forward to your response! Best, Muhammad Rizwan LA
$20 USD på 1 dag
8,2
8,2

Hi, I can integrate PayPal Express Inline Checkout so customers complete payments without leaving your site. I’ll wire the PayPal JavaScript SDK, API credentials, sandbox/live modes, webhooks, and server-side hooks, ensuring orders are correctly marked paid with transaction IDs. ✅Ready to start immediately—can you share your store link and server access?
$30 USD på 7 dage
7,6
7,6

Dear Sir, I understand that you require PayPal Express Checkout integration for your e-commerce site, enabling a seamless inline checkout experience. Your focus on an efficient payment flow that keeps customers engaged on-site aligns perfectly with my expertise. I bring extensive experience in PHP and JavaScript, along with a proven track record of integrating the PayPal API into various platforms. This includes setting up both sandbox and live modes, ensuring straightforward transactions and managing server-side hooks effectively. My background also encompasses a deep understanding of e-commerce systems, allowing me to ensure the cart total, shipping, taxes, and currencies are managed accurately throughout the process. I have successfully executed similar integrations where I ensured payments were processed smoothly and accurately reflected in the database, providing users real-time feedback on their transaction status. My competitive edge lies in my ability to optimize the integration for speed and scalability, while also implementing a long-term maintenance strategy. I am ready to get started immediately and look forward to discussing how I can add value to your project.
$35 USD på 1 dag
7,2
7,2

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$35 USD på 2 dage
6,0
6,0

Hello, I am senior developer. I can integrate the PayPal Payment API in your e-commerce site. Please contact me via chat Thank You
$75 USD på 2 dage
5,8
5,8

With my extensive 9+ years of experience in web and mobile development, I bring a breadth of knowledge in E-commerce and CMS based website to this project. Specifically, I have successfully integrated PayPal Express Checkout with the Inline Checkout feature for previous clients. I understand the intricacies involved in ensuring a seamless payment process such as passing the cart total, shipping, taxes, and currency to PayPal automatically, and updating order status upon completion. My expertise extends to handling APIs, configuring different modes, setting up server-side hooks like instant payment notification or webhooks -- all skills highly relevant to your project. However, what sets me apart is not merely technical ability. I prioritize clear communication and comprehensive documentation so that you will be fully equipped to maintain the system once the hand-off is complete. Moreover, my team excels at cross-browser compatibility testing as well as providing free 3 months support for existing developments. Alongside our cost-effective solutions, we have established relationships with domain and hosting providers which translates into cheaper domain and hosting services for you. Let's turn your ideas into reality together!
$220 USD på 7 dage
5,4
5,4

Hi, I can integrate PayPal Express Checkout with the inline (lightbox) experience so customers complete payment without leaving your store. I’ll connect your PayPal API credentials, implement the JavaScript SDK, and set up secure server-side handling with webhooks/instant notifications to ensure orders are marked “paid” instantly and confirmation emails are triggered correctly. I’ll configure both sandbox and live modes, pass cart totals, shipping, taxes, and currency automatically, and ensure smooth redirect and messaging flows for successful, failed, and cancelled payments. You’ll receive clean, well-documented code plus clear setup notes so you can maintain or extend the integration easily. Thanksm Wasim A.
$49 USD på 1 dag
4,9
4,9

Hi, I’m Mst Habiba Hasan, I am a Senior Full-Stack Developer with more than 10 years of experience. I can help you with: — Website development — Mobile app development — Web app development — Backend development — AI and Machine Learning development — Maintenance of existing projects — UX/UI design — Browser extensions — DevOps — Solution Architecture — Consulting — MVP development Technologies I've worked with include but are not limited to: * Python/ Django * ReactJS / React Native (including React Native Web) / Expo / Express / Redux / NextJS * Javascript / Typescript / Flow types * NodeJS / Angular / Vue.js * MongoDB / SQL (MySQL / MariaDB / PostgreSQL) / Redis * OAuth2 / Keycloak / Auth0 / Cognito * Kubernetes / Helm / Docker / Ansible / Terraform / Amplify / Firebase * AWS / Azure / GCP / on premises * RESTful / GraphQL / OpenTracing / AMQP (RabbitMQ) Contact me today to get started! I’m excited to collaborate and bring your vision to life. Best regards, Mst Habiba Hasan
$45 USD på 2 dage
3,7
3,7

Hello, I can integrate PayPal Express Checkout with the inline lightbox experience directly into your existing store without disrupting your current frontend. I’ve previously implemented PayPal JavaScript SDK integrations on custom e-commerce platforms where cart totals, shipping, taxes, and currency are dynamically passed from the server to PayPal and validated before capture. I will connect your site to your PayPal API credentials, configure both sandbox and live environments, and implement secure server-side order creation and capture endpoints. Once a transaction is authorised, your system will automatically update the order status to “paid,” store the PayPal transaction ID, and trigger your existing confirmation emails. I’ll also configure proper webhook/IPN handling to ensure payment status remains synchronized even in edge cases. All payment outcomes—success, failure, or cancellation—will return clean user-facing messages with accurate redirect flows on both desktop and mobile. As part of hand-off, I will provide clear documentation outlining setup steps, environment configuration, and every code section added or modified so you can confidently maintain it going forward. I’m ready to begin immediately and ensure a smooth, secure inline checkout experience for your customers.
$10 USD på 1 dag
1,7
1,7

Hi! I can integrate PayPal Express Checkout with the inline/lightbox experience into your e-commerce site and handle the full payment flow end-to-end. I’ll connect your store to PayPal using the JavaScript SDK, pass cart totals (items, shipping, tax, currency) dynamically, and implement server-side validation with webhooks/IPN so orders automatically update to “paid” after authorization. I’ll also configure sandbox and live modes, handle success/failure/cancel flows, and ensure consistent behavior across desktop and mobile browsers. The PayPal transaction ID will be securely mapped to your order database, and I’ll provide clean setup documentation plus all modified code for future maintenance. I can start immediately — please share your tech stack and backend language so I can align the integration properly.
$20 USD på 7 dage
1,2
1,2

Hello Sir, I'm Senior Full Stack Developer and I can Integrate PayPal with your custom store whatever the tech stack is, cause I believe my skills and experience make me the right fit to help you with this. I'm Ready to start Immediately and land it ASAP with the lowest cost and the best quality job, with delivering a handover Document for future updates. I am eager to move forward as soon as possible. Let's transform your PayPal integration from a missing piece to an invaluable asset in your e-commerce journey. Thank you for considering my pitch!
$10 USD på 1 dag
1,2
1,2

Hello, I have hands-on experience integrating PayPal on custom stores. I will connect your API credentials (sandbox + live), implement the JS SDK, configure webhooks/IPN, and ensure success, failed, and cancelled flows work smoothly on desktop and mobile. I’ll also provide clear setup notes and exact code changes for future maintenance. I understand your goal is to implement PayPal Express Checkout (Inline Checkout) so customers can pay in a lightbox without leaving your store, while ensuring totals, shipping, taxes, and currency pass correctly — and that successful payments automatically mark orders as Paid, store the transaction ID, and trigger confirmation emails. Practically, this is about improving conversion rate and ensuring your payment data and order database stay perfectly synced — no mismatches, no manual fixes. I’m genuinely interested in this project and will treat it as if it were my own store — focusing on secure logic, clean implementation, and long-term reliability. Ready to start immediately.
$15 USD på 3 dage
0,9
0,9

With 4+ years in backend-focused development, we integrate payment systems into production apps with secure server-side validation and clean transaction handling. We’ve implemented custom checkout flows and ensured reliable webhook-based order confirmation. For your requirement, we’ll integrate PayPal Express Checkout using the PayPal JavaScript SDK with Inline (lightbox) experience—no full-page redirects. Implementation plan: • Connect sandbox + live API credentials securely (env-based config). • Render PayPal inline button on cart/checkout with dynamic cart total, tax, shipping & currency. • Create server-side order endpoint to validate amount before capture (avoid client-side tampering). • Handle capture/authorization and verify transaction ID server-side. • Implement IPN/Webhooks for payment confirmation reliability. • Update order status to “paid” and trigger your existing email workflow. • Add structured handling for success, failure, and cancel flows with proper redirects. Validation before delivery: • Transaction ID stored & matched in DB • Accurate status sync for completed/failed/cancelled • Tested on desktop + mobile browsers • Clean documentation of all files/endpoints added or modified Quick question: What backend stack is powering the store (Laravel, Node, custom PHP, etc.)?
$10 USD på 9 dage
0,4
0,4

Hi there, I’m excited about the opportunity to integrate PayPal Express Checkout into your e-commerce site! I have extensive experience with APIs and payment gateways, and I can ensure a seamless Inline Checkout experience that keeps your customers engaged right in the lightbox. With my background in web development, I'll connect your PayPal API, implement the JavaScript SDK, and set up both sandbox and live modes. I’ll also create the necessary server-side hooks for instant payment notifications to ensure your order statuses are updated correctly. You can count on clear documentation for every change made, ensuring you can maintain it without any hiccups. Let’s get your cart converting effectively with smooth payment flows! What’s your preferred timeline for this integration?
$25 USD på 4 dage
0,0
0,0

Hi, I understand that you are looking to integrate PayPal Express Checkout with the Inline Checkout experience on your e-commerce site. I have experience in seamlessly integrating payment gateways like PayPal and ensuring a smooth checkout process for customers without leaving the site. I will connect your shop to your PayPal API credentials, configure sandbox and live modes, and provide clear setup notes for future maintenance. I will ensure that the Inline checkout renders on the cart/checkout pages, processes payments accurately, and triggers the necessary order status updates and confirmation emails. I have expertise in setting up server-side hooks for instant payment notifications and webhooks to streamline the process further. Upon completion, you can expect a fully functional PayPal Express Inline Checkout integration that works seamlessly on both desktop and mobile browsers. I have a proven track record of integrating custom payment solutions for e-commerce stores and am eager to assist you with this project. I'll send over my portfolio via direct message. Feel free to reach out there. My background in payment gateway integrations ensures reliable results, professional standards, and seamless execution. I'm available to dive deeper into your requirements and address any concerns. Best regards, Taneem
$20 USD på 7 dage
0,0
0,0

Hi, I would love to bring your Imagination to Life. I came across your project: PayPal Express Inline Checkout Integration and what stood out to me is that this isn’t just about building a website, it’s about building something that works smoothly, scales properly, and supports your business goals. I am a reliable freelancer with 12+ years of experience in PHP, JavaScript, Web Development, HTML and I helped many clients in the past. Visit my profile to check my latest work and read what clients say. Here’s how I approach projects: ✅ Clear understanding of your objectives before development starts ✅ Structured development with defined milestones ✅ Clean, scalable code and optimized performance ✅ Regular updates so you’re never left guessing ✅ Proper testing before final delivery If you’re looking for someone who takes ownership rather than just completing tasks, I’d be happy to discuss your project in detail. Let’s connect and turn your idea into a reliable digital product. Best regards, Mubashir
$20 USD på 3 dage
0,0
0,0

Hello, With a seasoned background in web development and a specific command over HTML, JavaScript and PHP, I believe I am an ideal fit for your PayPal Express Inline Checkout integration project. For over _number_ years, my team at Our Software has been providing comprehensive web services including e-commerce websites and payment gateway integrations. Having already worked on numerous custom stores, I am confident in delivering a solution that impeccably suits your business needs. At inception, I will efficiently connect your shop to your PayPal API credentials and configure both the sandbox and live modes for thorough testing and seamless transition. I will ensure that the integration passes over every element of the transaction accurately - from cart total to taxes and beyond, for a smooth purchasing experience. Additionally, by incorporating server-side hooks such as instant payment notification or webhooks, I will guarantee that the order status flips to "paid" as soon as the transaction is authorized. Moreover, my commitment extends beyond successful integration; clear setup notes and code documentation will be provided so you can effortlessly maintain it in the future. This aligns with our devotion to excellent customer service; we don't just aim to deliver a project but create solutions that empower your business to transcend new heights. Let's collaborate to turn your PayPal logic into reality and add that "WOW" factor to
$55 USD på 2 dage
0,0
0,0

꧁ ༺ ❤️ hi, ❤️ ༻ ꧂ I can integrate PayPal Express Checkout with Inline (Smart Button) lightbox flow, passing cart totals, tax, shipping, and currency dynamically, and handling server-side order capture + webhook/IPN so your database updates to “paid” with the correct PayPal transaction ID. With strong experience integrating PayPal JS SDK on custom PHP/JS stores, I’ll configure sandbox/live modes, implement clean success/fail/cancel flows, and provide documented, maintainable code that works smoothly on desktop and mobile. Best regards, Stefan
$20 USD på 7 dage
0,0
0,0

Hope you are doing well! I have integrated PayPal Express/Inline Checkout on custom e-commerce platforms using the PayPal JavaScript SDK, server-side order creation, and webhook/IPN verification. Key risks here include mismatched cart totals, currency inconsistencies, duplicate captures, and orders being marked paid without confirmed authorization. In previous projects, I resolved these by validating amounts server-side before capture, implementing secure webhook listeners to confirm transaction IDs, and handling success/cancel/failure flows with clear redirects and database updates. I will connect your store to sandbox and live API credentials, pass cart totals (shipping, tax, currency) dynamically, and ensure the lightbox checkout works smoothly on desktop and mobile. On approval, your system will verify the PayPal transaction ID, update order status to “paid,” and trigger existing confirmation emails. All modified/added code will be clearly documented with setup notes for future maintenance. I am ready for you and waiting here. Thank you.
$20 USD på 7 dage
0,0
0,0

Philippines
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Medlem siden nov. 8, 2015
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