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Fiverr Pro
English
$
USD
I will integrate, fix or develop any api, rest api, wordpress api, json, xml, soap api
Collins B
5.0
5.0
About this gig
Are you looking for an experienced API developer to integrate, troubleshoot, fix, or develop APIs for your website, web application, WordPress site, SaaS platform, or business system?
You've come to the right place.
I specialize in API integration, API development, API troubleshooting, and automation solutions that help businesses connect applications, synchronize data, automate workflows, and improve operational efficiency.
Services I Offer
- REST API Integration
- Custom API Development
- WordPress API Integration
- JSON API Development & Processing
- XML API Integration
- SOAP API Integration
- Third-Party API Integration
- Payment Gateway API Integration
- Webhook Setup & Configuration
- API Authentication (OAuth, JWT, API Keys)
- API Error Fixing & Debugging
APIs I Can Work With
- Shopify API
- WooCommerce API
- Stripe API
- PayPal API
- OpenAI API
- ChatGPT API
- Twilio API
- Google APIs
- Facebook APIs
Why Choose Me?
- Strong API development expertise
- Fast delivery and quick response
- Attention to detail
- Business focused solutions
- Reliable post delivery support
Contact me before placing an order to discuss your project requirements.
Get to know Collins B
Collins B
API and Backend Developer
- FromUnited Kingdom
- Member sinceNov 2025
- Avg. response time1 hour
- Last delivery3 weeks
Languages
English, French, German, Spanish
I specialize in building secure, scalable API integrations that help businesses automate workflows, connect systems, and grow efficiently.
With strong experience in WordPress, Shopify, REST, SOAP, XML, and JSON APIs, I develop reliable solutions tailored to real business needs. I focus on clean architecture, seamless data flow, and performance optimization.
Whether it's custom endpoints, ecommerce integrations, or system synchronization, I ensure smooth delivery, clear communication, and long term stability for every project.
I prioritize trust, speed, and high quality results.
My Portfolio
FAQ
What APIs can you integrate for my store?
I can integrate WordPress APIs, WooCommerce APIs, Shopify APIs, Squarespace API, as well as custom APIs, REST & SOAP APIs, ensuring seamless ecommerce automation and backend connections.
Can you set up tracking and analytics?
Yes! I provide Facebook Pixel, Meta Conversion API, GA4 migration, TikTok Pixel, GTM setup, and server-side tracking, ensuring accurate analytics for your ads and website performance.
Do you handle migrations between platforms?
Absolutely! I specialize in Shopify to WordPress, WordPress to Shopify migration, including data, products, and API integration, ensuring a smooth, error-free transition.
Can you integrate payment gateways?
Yes. I handle Stripe, PayPal, WooCommerce, and Shopify payment gateway integration, allowing secure transactions and smooth checkout experiences.
Why should I choose you for my API integration?
I combine expert technical knowledge, fast delivery, and professional support to provide error-free API integration, custom ecommerce automation, and full documentation, helping your store run efficiently and boost conversions.
Reviews
3 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
M 
mark_p25
Repeat Client
United Kingdom
Very skilled developer. He connected our JSON API to WooCommerce and ensured all product updates were automated. Professional, responsive, and knowledgeable throughout the project.
Up to $50
Price
1 day
Duration
C 
Seller's Response
Helpful?M mark_p25
Repeat Client
United Kingdom
Outstanding work! The XML feed was integrated perfectly into my WordPress store, and all products, images, and pricing now sync automatically. Communication was excellent, and the project was completed ahead of schedule.
Up to $50
Price
1 day
Duration
C Seller's Response
Helpful?O 
owen_mitchell9
United States
Excellent experience working with this seller on our Squarespace API and third-party API integration project. Very professional, fast communication, and the integration worked perfectly. The seller understood exactly what we needed and delivered a smooth, reliable solution on time. Highly recommended for Squarespace API integrations
Up to $50
Price
2 days
Duration
C Seller's Response
Helpful?
Reviews
3 reviews for this Gig
| (3) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
M mark_p25
Repeat Client
United Kingdom
Very skilled developer. He connected our JSON API to WooCommerce and ensured all product updates were automated. Professional, responsive, and knowledgeable throughout the project.
Up to $50
Price
1 day
Duration
C Seller's Response
Helpful?M mark_p25
Repeat Client
United Kingdom
Outstanding work! The XML feed was integrated perfectly into my WordPress store, and all products, images, and pricing now sync automatically. Communication was excellent, and the project was completed ahead of schedule.
Up to $50
Price
1 day
Duration
C Seller's Response
Helpful?O owen_mitchell9
United States
Excellent experience working with this seller on our Squarespace API and third-party API integration project. Very professional, fast communication, and the integration worked perfectly. The seller understood exactly what we needed and delivered a smooth, reliable solution on time. Highly recommended for Squarespace API integrations
Up to $50
Price
2 days
Duration
C Seller's Response
Helpful?
