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I will help in payment gateway integration, crypto integration
DK Gupta
About this gig
Professional Payment Gateway Integration for Your Website or Application
Need a reliable and secure payment gateway integrated into your website, web application, or eCommerce platform? I can help you integrate and configure payment gateways with a clean, secure, and production-ready implementation.
I specialize in PHP, Laravel, Node.js, React, Vue.js, Inertia.js, REST APIs, and third-party API integrations, and can integrate payment solutions according to your business and technical requirements.
What I can provide:
- AI-powered Payment Gateway Integration
- Third-party Payment Gateway Integration
- Payment gateway API integration
- Payment authorization and transaction processing
- Payment success, failure, and pending status handling
- Secure webhook/callback implementation
- Refund and transaction verification
- Payment status synchronization
- Server-to-server API communication
- REST API integration
- Request and response validation
- Signature/hash verification where required
- Error handling and transaction logging
- Sandbox/test environment configuration
- Production environment configuration
- Database transaction and payment record management
- Custom payment workflows design based on your requirements
- T
Get to know DK Gupta
DK Gupta
Senior Full Stack Software Engineer
- FromIndia
- Member sinceJul 2026
- Avg. response time1 hour
Languages
English, Hindi, Khmer, Thai
Senior Full Stack Software Engineer with 6+ years of experience building scalable, AI-powered SaaS platforms,
RESTful APIs, CRM systems, and enterprise web applications using Laravel, JAVA, PHP, React, Next.js, Vue,
Angular, Node, Docker, CI/CD. Skilled in MVC architecture, microservices, SQL Server, Docker, AWS,
and Linux/Nginx server administration. Experienced in designing secure backend architectures (OAuth, JWT
authentication), implementing CI/CD pipelines and leading Agile/Scrum teams to deliver highavailability solutions for global clients across the US, Thailand, and the APAC region.
My Portfolio
Other Software Development Services I Offer
FAQ
Which payment gateways can you integrate?
I can integrate popular gateways such as Stripe, PayPal, Help2Pay, Ipint, VIZ Pay, Match2Pay, QT Services, PowerPay88, Razorpay, Square, Qore Payments, Razorpay, Paystack, Mollie, Square, and other gateways that provide suitable API/documentation access.
Can you integrate AI-powered Payment Gateway?
Yes. I can integrate AI-powered Payment Gateway or custom payment flows, payment confirmation, webhooks, refunds, and other supported Stripe functionality depending on your requirements.
Do you work with Laravel and Node.js?
Yes. I can integrate payment gateways into Laravel, PHP, Node.js, Express, React, Vue, and other existing web applications.
Do you provide webhook integration?
Yes. Webhooks can be implemented to receive payment status updates and synchronize transactions with your application.
Can you integrate subscriptions?
Yes. Subscription and recurring-payment functionality can be integrated when supported by the selected payment gateway and required APIs.
Can you deploy the integration?
Yes. Deployment assistance can be included depending on the package and hosting environment.
Do you provide the payment gateway account?
No. The buyer must create and own the payment gateway account. I can assist with the technical configuration and integration.
Can you work with an existing website?
Yes. Most integrations are performed directly within an existing website or application.
Do you guarantee payment approval?
No. Payment approval depends on the payment gateway, merchant account, customer, banking network, risk controls, and other external factors. I guarantee the agreed technical implementation, not transaction approval by the payment provider.
