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English
$
USD
I will do payment gateway integration and API integration for stripe, paypal, shopify
Oloniyo kehinde
Level 2
5.0
5.0
About this gig
Need a reliable developer to integrate a payment gateway or custom API without disrupting your checkout, payments, or website functionality?
I provide secure and reliable payment gateway and API integration services for eCommerce stores, SaaS businesses, and online platforms. I focus on creating smooth payment flows, secure API connections, proper webhook handling.
What I Can Integrate
- Payment Gateways: Stripe, PayPal, Shopify Payments, and other supported gateways
- API Integrations: REST APIs, OAuth, webhooks, PayPal API, Shopify Admin API, WordPress REST API
- Payment Features: One-time payments, subscriptions, refunds, payment status updates, and automated webhooks
- Custom API Solutions: Connect your website, store, CRM, or third-party platform with external services
Why Choose Me?
- Secure Integration: API keys and sensitive credentials are handled securely
- Reliable Setup: Proper error handling, webhook verification, and retry logic
- Thorough Testing: Sandbox testing and payment-flow verification before going live
- Custom Approach: I understand your workflow before implementing the integration
Message me before ordering so we can confirm your platform, endpoints, and required flow.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Oloniyo kehinde
Oloniyo kehinde
SHOPIFY DROPSHIPPING MENTOR ! ECOMMERCE CONSULTANT ! PRODUCT RESEARCH EXPERT
Level 2
- FromNigeria
- Member sinceJan 2026
- Avg. response time1 hour
- Last delivery2 weeks
Languages
English, Yoruba, Spanish, Italian, German, French
I help Shopify store owners build, optimize, and grow high converting ecommerce stores. Whether you're starting a dropshipping business, struggling with low sales, or improving an existing store, I can help with.
Shopify store setup & redesign
Winning product research
Product listing & optimization
Conversion rate optimization (CRO)
Shopify SEO
Payment, shipping & app setup
Store audits & improvements
Dropshipping strategy & guidance
My goal is to create a professional, trustworthy Shopify store built for growth. Send me your store link and let's identify what needs improvement.
My Portfolio
FAQ
Which payment gateways and APIs can you integrate?
I specialize in Stripe, PayPal, Shopify payment gateway, and custom REST APIs. If you use another gateway, send me the API documentation and I’ll confirm feasibility.
What do I need to provide before you start?
You’ll need to share API keys/credentials, platform admin access, endpoint documentation, and a clear description of the required flow. I’ll provide a secure method for credential sharing.
Which backend technologies and frameworks do you use?
We specialize in top-tier PHP frameworks like Laravel, Yii, and CakePHP, alongside Node.js, ensuring clean, optimized, and secure server-side operations.
Do you test the integration before delivery?
Yes. I test in sandbox/test mode first, including success, failure, refund, and webhook scenarios, then guide you through live verification.
Can you integrate docusign or any other digital document apis
Yes, I have experience working with docusign, adobe reader, open sign etc.
Will this work with my existing website or app?
Usually yes. I can integrate with Shopify, WordPress, custom PHP/Node/Python apps, and most platforms that expose REST APIs. Share your stack and I’ll confirm compatibility.
Can you integrate SMS and Email gateway in my website?
Yes, I have experience working with multiple sms gateway and sms provider services like Twilio, Sendgrid, MailChimp, SparkPost, Mailgun, 2 Factor SMS, Dynasoft, Plivo, AWS SNS, Daizy API etc.
Do you work with frontend technology?
Yes, I work with javascript, jquery, react js, next js.
Do you provide support after delivery?
I provide clear documentation and can help with issues related to the delivered integration. For new features or significant changes, message me first to discuss scope.
Can you integrate social media?
Yes, I have experience integrating facebook, Instagram etc.
Reviews
1 reviews for this Gig
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Rating Breakdown
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- Quality of delivery
- Value of delivery
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B betaniamichelle
Papua New Guinea
Ongoing collaborationI am very happy by the work delieverd by this freelancer .He was professional,responsive and understood exactly what I needed. The quality of the work was excellent ,and everything was completed on time. I highly recommend this freelancer to anyone looking for reliable high quality service . I'll definitely works with him again.
$50
Price
2 days
Duration
Helpful?
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
B betaniamichelle
Papua New Guinea
Ongoing collaborationI am very happy by the work delieverd by this freelancer .He was professional,responsive and understood exactly what I needed. The quality of the work was excellent ,and everything was completed on time. I highly recommend this freelancer to anyone looking for reliable high quality service . I'll definitely works with him again.
$50
Price
2 days
Duration
Helpful?
