I will do payment API development and payment gateway integration

S
sandy_walt
S
sandy_walt
Walt
do payment API development and payment gateway integration
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do payment API development and payment gateway integration

About this gig

Stripe integration PayPal payment gateway and API integration


Payments failing? Customers abandoning checkout? Broken payment gateway or poor payment integration can cost you daily sales.


I fix declined online payments, faulty Stripe integration, broken Stripe API, Stripe Connect, and Stripe subscription errors. I also resolve PayPal integration, PayPal API, PayPal Checkout, and PayPal gateway issues to ensure secure Stripe payments and smooth transactions.


Whether your Shopify store has Shopify payment problems, your WordPress website or WooCommerce website checkout is failing, or your WHMCS setup is misconfigured, I provide reliable API integration, REST API, and custom payment API solutions.

Supported platforms: WordPress, WooCommerce, Shopify, Wix payment / Wix API integration, custom PHP, Laravel, Python, and React JS systems.


Gateways include: Stripe gateway, PayPal payment, Klarna, Braintree, crypto payments / crypto gateway, Google Pay, Apple Pay, and high risk payment setups.


Stop losing revenue. Message me now for secure, fast, and professional integration.

  • Programming language

    • HTML & CSS

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Localization
    • Operating systems

  • Frontend framework

    • Angular
    • AngularJS
    • Next.js
    • React.js
    • Semantic-UI

  • Backend framework

    • Django
    • Node.js

Get to know Walt

Walt

Payment Gateway Integration Expert

  • FromUnited Kingdom
  • Member sinceApr 2026
  • Avg. response time1 hour

  • Languages

    English
I'm a Shopify and WordPress developer specializing in bug fixing, payment gateway integration, and website troubleshooting. I help businesses resolve Shopify checkout errors, payment issues, WooCommerce problems, plugin conflicts, theme bugs, API integrations, and custom website fixes. My goal is to deliver secure, reliable, and high-quality solutions with fast communication and on-time delivery. Your satisfaction and your website's performance are my top priorities.

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