Browse categories
Explore
Fiverr Pro
English
$
USD
I will fix shopify API, ebay integration, product sync and custom API issues
Adu Olamilekan
5.0
5.0
About this gig
Is your Shopify store struggling with API errors, broken integrations, inventory mismatch, or product sync issues? You're in the right place.
I specialize in Shopify API, eBay integration, product sync and custom API integration solutions that help businesses connect their eCommerce platforms and streamline daily operations. Whether you need to fix an existing integration, I'll deliver a reliable solution tailored to your business.
My Services Include
- Shopify API integration and troubleshooting
- eBay API integration
- Product and inventory synchronization
- Order synchronization
- Custom API integration
- Third party application integration
- Webhook setup and configuration
- REST API implementation
- API debugging and issue fixing
- Custom Shopify app integration
Why Choose Me?
- Reliable and scalable solutions
- Secure API implementation
- Clean, well tested integrations
- Clear communication and on time delivery
- Business focused approach with support
My goal is to eliminate manual work, reduce errors, keep your inventory synchronized.
Please contact me before placing your order so I can review your requirements, understand your workflow and recommend the best solution for your Shopify
Get to know Adu Olamilekan
Adu Olamilekan
If you think i can't do it, maybe you're wrong
- FromNigeria
- Member sinceOct 2025
- Avg. response time2 hours
- Last delivery3 months
Languages
Yoruba, English, French, German, Italian, Spanish, Indonesian, Danish, Polish, Korean, Ukrainian
Struggling with website errors, slow apps, or API integration issues? I build, fix and optimize responsive websites using PHP, JavaScript, Python and modern web technologies tailored to your needs.
I specialize in API integration, Stripe payments, OAuth login, automation workflows and bug fixing to keep your systems running smoothly and efficiently.
I'm Adu Olamilekan a full stack developer focused on delivering fast, secure and reliable solutions that solve real problems.
Message me now for a quick consultation before ordering
My Portfolio
Other Software Development Services I Offer
FAQ
What Shopify API services do you provide?
I can fix Shopify API issues, integrate Shopify with eBay or third party applications, set up product, inventory and order synchronization, configure webhooks, troubleshoot API errors, and build custom API integrations based on your business requirements.
Can you fix my existing Shopify or eBay API integration?
Yes. If your current integration is failing, showing errors, not syncing products, inventory or orders correctly, I'll diagnose the issue and provide a reliable solution to restore proper functionality.
What do you need before starting my project?
Please send your project requirements, the platforms you want to connect, API documentation (if available), access details when required, and a brief explanation of the issue or workflow you need. This helps me recommend the best solution.
Can you integrate Shopify with other platforms besides eBay?
Absolutely. I can integrate Shopify with many third party services, marketplaces, CRMs, ERPs, payment gateways, shipping providers, and custom APIs, depending on your project requirements and API availability.
I'm not sure which package is right for my project. What should I do?
No problem! Contact me before placing your order. I'll review your requirements, explain the best approach, and recommend the package that best fits your integration needs and budget.
Reviews
6 reviews for this Gig
| (6) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J 
jaysonmicheal
United States
Great experience working with Adu Olamilekan. Communication was smooth and professional from beginning to end. He successfully connected Stripe to my Wix website and made sure everything was working properly before delivery. Fast response, quick delivery and very helpful throughout the process. I highly...
$50
Price
2 days
Duration
A 
Seller's Response
Helpful?T 
trace11_
Nigeria
Adu got the API integration done quickly and perfectly. Great communication, secure setup, and everything worked smoothly. Definitely a solid choice for backend, webhook, and automation work.
$50
Price
2 days
Duration
A Seller's Response
Helpful?C 
charlotte_bran6
United Kingdom
Ongoing collaborationOutstanding experience with Adu O! He delivered a clean and well-structured backend with OAuth2 integration exactly as promised. Very responsive, knowledgeable, and easy to work with. If you need a serious developer, I highly recommend him. Looking forward to the next phase
$50
Price
2 days
Duration
A Seller's Response
Helpful?C charlotte_bran6
United Kingdom
Ongoing collaborationAdu O exceeded my expectations! Even with a limited budget, he provided a clear and structured roadmap for backend setup, OAuth2, and Stripe integration. His communication was excellent and he knows exactly what he’s doing. Highly recommended—I’ll definitely be working with him again!
$50
Price
3 days
Duration
A Seller's Response
Helpful?C charlotte_bran6
United Kingdom
Ongoing collaborationAdu O delivered outstanding work! He handled API integration, OAuth2, and Stripe setup smoothly and professionally. Communication was clear, and everything worked perfectly. Highly recommend for anyone needing secure and scalable app integrations
$50
Price
3 days
Duration
A Seller's Response
Helpful?
Reviews
6 reviews for this Gig
| (6) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
J jaysonmicheal
United States
Great experience working with Adu Olamilekan. Communication was smooth and professional from beginning to end. He successfully connected Stripe to my Wix website and made sure everything was working properly before delivery. Fast response, quick delivery and very helpful throughout the process. I highly...
$50
Price
2 days
Duration
A Seller's Response
Helpful?T trace11_
Nigeria
Adu got the API integration done quickly and perfectly. Great communication, secure setup, and everything worked smoothly. Definitely a solid choice for backend, webhook, and automation work.
$50
Price
2 days
Duration
A Seller's Response
Helpful?C charlotte_bran6
United Kingdom
Ongoing collaborationOutstanding experience with Adu O! He delivered a clean and well-structured backend with OAuth2 integration exactly as promised. Very responsive, knowledgeable, and easy to work with. If you need a serious developer, I highly recommend him. Looking forward to the next phase
$50
Price
2 days
Duration
A Seller's Response
Helpful?C charlotte_bran6
United Kingdom
Ongoing collaborationAdu O exceeded my expectations! Even with a limited budget, he provided a clear and structured roadmap for backend setup, OAuth2, and Stripe integration. His communication was excellent and he knows exactly what he’s doing. Highly recommended—I’ll definitely be working with him again!
$50
Price
3 days
Duration
A Seller's Response
Helpful?C charlotte_bran6
United Kingdom
Ongoing collaborationAdu O delivered outstanding work! He handled API integration, OAuth2, and Stripe setup smoothly and professionally. Communication was clear, and everything worked perfectly. Highly recommend for anyone needing secure and scalable app integrations
$50
Price
3 days
Duration
A Seller's Response
Helpful?
