I will build custom rest and soap apis for your app


About this gig
Need seamless API integration or custom-built APIs that just work?
With over 5 years of hands-on experience, I specialize in developing and integrating REST and SOAP APIs that power real-world applications across web and mobile platforms.
Here's what I offer:
- Custom REST or SOAP API development
- Third-party API integration (Stripe, Twilio, etc.)
- Secure authentication (OAuth, API Keys)
- Error handling and data validation
- Complete documentation and testing
I've built APIs for e-commerce apps, CRM systems, and fintech platforms, and I'm currently working on scalable microservice APIs for a cloud-based ERP solution.
Clients trust me because I write clean, maintainable code, deliver on time, and ensure full communication throughout. Whether you're a startup or scaling your product, I tailor each API to your exact needs.
Get to know Alan P
- FromUnited States
- Member sinceJul 2025
Languages
English
Other Software Development Services I Offer
FAQ
Q1: What types of APIs do you support?
I support both REST and SOAP APIs, including custom-built or third-party APIs like Stripe, Twilio, or Google Maps.
Q2: Can you integrate APIs into my existing app or backend?
Yes! I can seamlessly integrate APIs into existing web, mobile, or backend systems, no matter the stack.
Q3: Will you provide authentication and security for the APIs?
Absolutely. I implement secure authentication methods like OAuth 2.0, API keys, and token-based access.
Q4: Do you offer testing and documentation?
Yes, I provide thorough testing and clear API documentation so your developers or team can easily work with it.

