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Fiverr Pro
English
$
USD
I will fix or develop any API integration
Zain Ul Abdeen
Level 2
5 orders in queue
4.8
4.8
What people loved about this freelancer
samarabishop
Australia
Managed to deliver what 3 others couldn't! Zain was great to work with - exceeded all of my expectations and delivered a complicated project and api set up...
trace11_
Nigeria
The seller did a great job actually and this is not our first working together it has been a great seller with deep understanding since day 1, highly recommended.
judaoddiy
Uzbekistan
Zain Ul Abdeen is a highly professional and skilled developer. He successfully implemented a custom Shopify section with clean and efficient code, and the integration...
rosturdy
United Kingdom
gave him a deadline of 48 Hours and he delivered well within that time frame for me, done more than i asked and cannot express how professional and polite he...
amirneg
Israel
First time working with this seller and highly impressed. Fix my issue in a few min, explain and guide on how to overcome such issues. Highly recommanded!
About this gig
Are you looking for a reliable developer to integrate or build APIs for your website or application?
You are in the right place.
I am a professional developer with strong experience in API integration, automation, and custom API development. I can help you connect your system with any third-party service or build secure, scalable APIs from scratch.
What I can do for you:
E-commerce API Integration (Shopify, WooCommerce, OpenCart, Amazon, eBay)
CRM & Marketing APIs (HubSpot, Zoho, Mailchimp, ActiveCampaign)
Payment & Messaging APIs (Stripe, PayPal, Twilio, WhatsApp)
AI & Google APIs (OpenAI, ChatGPT, Google Sheets, Analytics)
Shipping APIs (DHL, FedEx)
Custom API Development (REST, SOAP, GraphQL)
Webhooks setup & automation
API bug fixing and troubleshooting
Why choose me?
Clean and scalable code
Fast communication
On-time delivery
100% client satisfaction
Feel free to contact me before placing an order to discuss your project.
Get to know Zain Ul Abdeen
Zain Ul Abdeen
API and Backend Developer
Level 2
- FromPakistan
- Member sinceApr 2024
- Avg. response time1 hour
- Last delivery1 week
Languages
English
I am a professional Backend and API Developer with 5+ years of experience in building and integrating scalable web solutions.
I specialize in payment gateway integrations, third-party APIs, and custom backend development for Laravel, PHP, and WordPress projects.
I focus on clean code, performance, and long-term maintainability.
Feel free to contact me to discuss your project.
My Portfolio
FAQ
What’s your handover process?
Source code + env templates + README + loom/notes for setup.
Timezone & communication?
UTC+5. I share daily updates and respond within 12 business hours (usually faster).
Can you work with existing teams?
Yes—Git flow, ticketing (Jira), and daily/weekly standups.
How do you manage quality?
Milestones, code reviews, and brief test coverage. I also document endpoints and environment variables.
Do you sign NDAs?
Yes—happy to sign and work in private repos.
Reviews
20 reviews for this Gig
| (18) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
T 
trace11_
Repeat Client
Nigeria
The seller did a great job actually and this is not our first working together it has been a great seller with deep understanding since day 1, highly recommended.
Up to $50
Price
3 days
Duration
Z 
Seller's Response
Helpful?J judaoddiy
Uzbekistan
Zain Ul Abdeen is a highly professional and skilled developer. He successfully implemented a custom Shopify section with clean and efficient code, and the integration with the 1688 product flow works smoothly. His attention to detail, clear communication, and problem-solving approach really stood out....
$100-$200
Price
3 weeks
Duration
Z Seller's Response
Helpful?S samarabishop
Repeat Client
Australia
Absolutely amazing! Executed everything as promised and so easy to work with - will definitely use Zain again!! Thank you so much!
$200-$400
Price
2 weeks
Duration
Z Seller's Response
Helpful?K kudumart
United States
He had a good explanation for everything and would go back to take a second look if things weren't great
$200-$400
Price
3 months
Duration
Helpful?S samimoussageek
Morocco
i was nice to work with you
$100-$200
Price
12 days
Duration
Helpful?
Reviews
20 reviews for this Gig
| (18) | ||
| (1) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
T trace11_
Repeat Client
Nigeria
The seller did a great job actually and this is not our first working together it has been a great seller with deep understanding since day 1, highly recommended.
Up to $50
Price
3 days
Duration
Z Seller's Response
Helpful?J judaoddiy
Uzbekistan
Zain Ul Abdeen is a highly professional and skilled developer. He successfully implemented a custom Shopify section with clean and efficient code, and the integration with the 1688 product flow works smoothly. His attention to detail, clear communication, and problem-solving approach really stood out....
$100-$200
Price
3 weeks
Duration
Z Seller's Response
Helpful?S samarabishop
Repeat Client
Australia
Absolutely amazing! Executed everything as promised and so easy to work with - will definitely use Zain again!! Thank you so much!
$200-$400
Price
2 weeks
Duration
Z Seller's Response
Helpful?K kudumart
United States
He had a good explanation for everything and would go back to take a second look if things weren't great
$200-$400
Price
3 months
Duration
Helpful?S samimoussageek
Morocco
i was nice to work with you
$100-$200
Price
12 days
Duration
Helpful?
