API Development Services
REST and GraphQL Interfaces Built to Last
Why API Development Services?
The Strategic Advantage
An API is the contract between your data and your users. If the API is poorly designed, slow, or constantly changing, your frontend and mobile teams will spend all their time fixing bugs instead of building features.
I build APIs that developers actually want to use. I follow strict RESTful conventions, implement sensible versioning strategies, and ensure every endpoint is secured with proper authentication and rate limiting.
From simple CRUD endpoints to complex data aggregation services, I use Django REST Framework and FastAPI to deliver high-performance interfaces.
✓Key Benefits
- Standardized Design: Intuitive endpoints following REST or GraphQL best practices.
- Secure Access: JWT, OAuth2, and API key authentication, implemented correctly rather than copy-pasted from a tutorial.
- Performance: Optimized database queries and response caching.
- Clear Documentation: Auto-generated Swagger/OpenAPI documentation.
- Backward Compatibility: API versioning to ensure old clients don't break.
What I Build
Comprehensive Solutions
REST APIs
Resource-oriented APIs built with Django REST Framework.
High-Performance Endpoints
FastAPI endpoints for high-throughput or machine learning workloads.
Third-Party Integrations
Webhooks and API integrations with services like Stripe, Twilio, and SendGrid.
Tech Stack
Modern Tools
Real Projects
Proven Experience
See how I have implemented these technologies in real-world production environments.
How I Work
Development Process
Discovery
Understand your goals & constraints
Proposal
Written scope, milestones & pricing
Build
Fortnightly sprints with live demos
QA
Testing, review & refinement
Launch
Deploy, hand off & support
REST vs GraphQL
Technical Comparison
| Criteria | REST API | GraphQL |
|---|---|---|
| Data Fetching | Multiple endpoints | Single endpoint |
| Over-fetching | Common | Eliminated |
| Learning Curve | Low (Standard) | Steeper |
| Caching | Easy (HTTP native) | Complex |
Frequently Asked Questions
Common Inquiries
I primarily build REST APIs as they are simpler, easier to cache, and suitable for 90% of use cases. However, if your frontend has highly complex and varied data requirements, I can implement GraphQL.
I use tools like drf-yasg or FastAPI's built-in tools to auto-generate interactive Swagger/OpenAPI documentation, making it easy for frontend developers to test endpoints.
Yes, I frequently integrate third-party APIs (payment gateways, SMS providers, weather data, etc.) and build resilient webhook handlers to process external events.
I implement JWT or token-based authentication, rate limiting (throttling) to prevent abuse, and strict input validation to prevent injection attacks.
My rate ranges from $25 to $45/hr. I also offer fixed-price quotes for well-defined API specs.
Investment
Transparent Pricing
Transparent pricing — no surprises. All prices in USD.
Fixed Price
From $500
Ideal for well-specified projects where the requirements will not change. Agreed price, agreed milestones, agreed delivery date.
- ✓Written scope before work starts
- ✓Milestones with payment gates
- ✓No surprise overruns
- ✓30 days bug-fix support included
Hourly Rate
$25 – $45 / hr
Flexible for ongoing work, feature additions, or projects with evolving requirements.
- ✓Flexible scope
- ✓Precise time tracking
- ✓Minimum 10 hours
- ✓Weekly time reports
Monthly Retainer
From $800 / mo
Dedicated hours each month. Priority availability. Best for long-term product partnerships.
- ✓10–20 hrs/month
- ✓Weekly status report
- ✓Priority response time
- ✓Includes performance monitoring
Free 30-min consultation included with every inquiry. Contact me for a tailored estimate.
Let's Talk
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