You will get custom API integration for Stripe, PayPal, Shopify & WooCommerce

John I.Status: Offline
John I. John I.
Rising Talent

Let a pro handle the details

Buy Web Application Programming services from John, priced and ready to go.
John I.Status: Offline
John I. John I.
Rising Talent

Let a pro handle the details

Buy Web Application Programming services from John, priced and ready to go.

Project details

Are payment failures, API errors, webhook issues, or broken Stripe, PayPal, Shopify, or WooCommerce integrations affecting your business?

I help startups, SaaS businesses, and eCommerce brands build secure, scalable API integrations that connect payment gateways and automate business workflows.

I specialize in Stripe API, PayPal API, Shopify API, WooCommerce API, REST API integration, webhooks, third-party API integration, PHP, JavaScript, and TypeScript.

Buyer Problems I Solve:
 • Stripe & PayPal payment failures
 • Broken REST API and webhook errors
 • Shopify & WooCommerce integration issues
 • Third-party API connection problems

Solutions I Deliver:
 • Custom API integration
 • Stripe & PayPal setup
 • Shopify & WooCommerce synchronization
 • Secure webhook & REST API development

Technology Stack:
PHP • JavaScript • TypeScript • Stripe API • PayPal API • Shopify API • WooCommerce API • REST API • Webhooks

Message me today to build secure API integrations, fix payment issues, and automate your business workflows.
Programming Languages
PHP, JavaScript, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security
What's included
Service Tiers Starter
$80
Standard
$350
Advanced
$800
Delivery Time 2 days 4 days 7 days
Number of Revisions
UnlimitedUnlimitedUnlimited
Design Customization
Content Upload
Responsive Design
Source Code

Frequently asked questions

John I.Status: Offline

About John

John I.Status: Offline
Shopify & GoHighLevel Integration | API & Automation Specialist.
Akure, Nigeria - 8:58 pm local time
Is your Shopify store, GoHighLevel CRM, API, webhook, payment gateway, or automation not working properly? Do you need to connect Shopify with GoHighLevel, synchronize customer and order data, or integrate a third-party platform?

I help Shopify brands, e-commerce businesses, GoHighLevel agencies, SaaS companies, startups, and growing businesses connect their systems, automate repetitive processes, synchronize data, and fix technical integration problems.

I'm John Ifeanyi Okereke, a Full Stack Developer and API Integration and Automation Specialist focused on Shopify API, GoHighLevel API, REST API, GraphQL, webhooks, third-party APIs, CRM integrations, payment gateways, and custom automation.

WHAT I CAN HELP YOU WITH

SHOPIFY INTEGRATION AND AUTOMATION
• Shopify API integration
• Third-party API integration
• Shopify and GoHighLevel integration
• Shopify and CRM integration
• Shopify webhook integration
• Customer, order, product, inventory, and fulfillment synchronization
• Custom Shopify application and backend integrations
• Shopify automation and troubleshooting

GOHIGHLEVEL AUTOMATION AND INTEGRATION
• GoHighLevel workflow automation
• GHL API integration
• GHL webhook integration
• Shopify and GHL automation
• CRM and pipeline automation
• Lead capture and lead routing workflows
• Appointment and calendar automation
• SMS and email automation
• External CRM and application integrations
• Broken workflow troubleshooting

API AND BACKEND DEVELOPMENT
• REST API integration
• Third-party API integration
• Custom API development
• Webhook development and troubleshooting
• API authentication and OAuth
• JSON data mapping and transformation
• Real-time data synchronization
• Node JS and Python integrations
• CRM, SaaS, e-commerce, and business system integrations

PAYMENT AND BUSINESS AUTOMATION
• Stripe API integration
• Stripe webhook integration
• PayPal integration
• Flutterwave integration
• Payment status synchronization
• Transaction and order automation
• Zapier automation
• Make automation
• Custom automation when native integrations are not enough

COMMON BUYER PROBLEMS I SOLVE

"Why isn't Shopify sending data to my CRM?"

I can troubleshoot the connection and implement reliable API or webhook-based synchronization.

"Why isn't my GoHighLevel workflow triggering?"

I can inspect triggers, conditions, actions, webhooks, pipelines, and connected applications to identify the issue.

"Why is my API integration failing?"

I can troubleshoot authentication, endpoints, requests, responses, payloads, permissions, and integration logic.

"Can you connect Shopify and GoHighLevel?"

Yes. I can build a custom integration to synchronize relevant customer, order, product, and event data between both systems.

"Can you connect my CRM or business software to Shopify?"

Yes. I can use APIs, webhooks, native integrations, automation platforms, or custom middleware depending on your requirements.

"Can you fix my payment webhook?"

Yes. I can troubleshoot payment API requests, webhook events, transaction updates, and post-payment automation.

WHY WORK WITH ME?

I don't simply connect two applications and hope they work. I focus on the complete data flow, business logic, error handling, testing, security, and maintainability of each integration.

You can expect:

• Clear communication and regular progress updates
• Proper API and webhook testing
• Accurate data mapping and synchronization
• Secure integration practices
• Clean and maintainable implementation
• Root-cause troubleshooting
• Solutions built around your actual business workflow

CORE TECHNOLOGIES

Shopify, Shopify API, GoHighLevel, GHL API, REST API, GraphQL, Webhooks, API Integration, Third-Party API, CRM Integration, Stripe, PayPal, Flutterwave, Twilio, Zapier, Make, Node JS, Python, JavaScript

PROJECTS I'M A GOOD FIT FOR

Shopify API Integration
Shopify and GoHighLevel Integration
Shopify CRM Integration
GHL API Integration
REST API Integration
Third-Party API Integration
Webhook Development
Payment Gateway Integration
CRM Automation
E-commerce Automation
Custom API Development
Data Synchronization
Integration Troubleshooting

If you have a broken integration, disconnected systems, API error, webhook failure, or automation that needs fixing, send me the platforms you're using, what you want to accomplish, and what is currently going wrong.

I'll help identify the right technical approach and build a reliable, secure, and maintainable solution around your business workflow.

SHOPIFY DEVELOPER | GOHIGHLEVEL SPECIALIST | API INTEGRATION DEVELOPER | AUTOMATION SPECIALIST

Steps for completing your project

After purchasing the project, send requirements so John can start the project.

Delivery time starts when John receives requirements from you.

John works on your project following the steps below.

Revisions may occur after the delivery date.

Requirement Analysis & Technical Review

I review your website, API documentation, payment gateway configuration, and project requirements to identify the best integration approach and any existing issues.

API Integration & Development

I develop or configure your Stripe, PayPal, Shopify, or WooCommerce API integration, implement secure authentication, webhooks, and ensure reliable communication between systems.

Review the work, release payment, and leave feedback to John.