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English
$
USD
I will do secure API integration for web or mobile applications
laviraghav
About this gig
Are you looking to securely integrate a third-party API into your web or mobile application?
I will help you connect, configure, and implement APIs with clean, maintainable, and scalable code.
I specialize in secure REST API integration, authentication handling (API keys, tokens, OAuth), webhook setup, and real-time data synchronization. Whether you need payment gateway integration, CRM connection, email automation, or custom API communication between systems I ensure reliable and structured implementation.
What you can expect:
- Secure authentication handling
- Clean backend integration
- Proper error handling & testing
- Webhook configuration (if required)
- Organized and maintainable code
I focus on performance, security, and long-term scalability not just quick fixes. Whether you need a single API connection or a complex multi-API system, I will deliver a reliable and production-ready solution.
Please contact me before placing an order to review your API documentation and requirements.
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 laviraghav
laviraghav
Modern web development solutions for startups and growing businesses
- FromIndia
- Member sinceFeb 2026
Languages
English, Hindi
Hi, I’m Lavi — a developer with 5+ years of hands-on experience building real-world digital solutions that actually work.
I specialize in creating clean, reliable systems like websites, admin dashboards, and API-based platforms (including fintech and recharge systems). My focus is always on simplicity, performance, and making sure everything runs smoothly in real use — not just looks good.
I don’t just write code — I understand the problem, suggest practical solutions, and make sure the final product is something you can depend on long-term.
FAQ
What types of APIs do you integrate?
I integrate REST APIs, payment gateways, CRMs, email marketing tools, SaaS platforms, and custom third-party services. If your API provides proper documentation, I can work with it.
Do you handle secure authentication (OAuth, tokens, API keys)?
Yes. I implement secure authentication methods including API keys, bearer tokens, and OAuth 2.0 to ensure safe communication between systems.
Can you integrate payment gateways like Stripe or PayPal?
Yes, I can integrate popular payment gateways and ensure proper validation, webhook setup, and secure transaction handling.
What do you need from me to start?
I will need API documentation, access credentials (if required), and clear project requirements. Please contact me before placing an order.
Do you provide webhook and real-time data integration?
Yes, I can configure webhooks for real-time updates and automated system communication.
Will you provide documentation?
Standard and Premium packages include basic technical documentation explaining the integration and usage.
Do you fix existing API integration issues?
Yes, I can debug and fix broken or poorly implemented API integrations after reviewing the code and documentation.
What if my project is complex?
For complex or multi-API systems, please contact me first so we can discuss scope and choose the right package.
