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API Development & Integration

APIs are the backbone of modern software. We design, build, and integrate APIs that enable seamless communication between your applications, services, and third-party systems. From RESTful APIs and GraphQL endpoints to complex enterprise integrations, we create well-documented, secure, and performant APIs.

Specializations

What We Offer

Explore our specialized api development & integration services — each tailored to solve specific business challenges.

RESTful API Development

Well-designed RESTful APIs following industry best practices. Proper resource modeling, versioning, authentication, rate limiting, and comprehensive documentation that makes integration effortless for developers.

  • Resource-oriented API design
  • JWT and OAuth2 authentication
  • Rate limiting and throttling
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GraphQL API Development

Flexible GraphQL APIs that let clients request exactly the data they need. Reduce over-fetching, enable real-time subscriptions, and provide a powerful query language for your frontend teams.

  • Schema design and type system
  • Query and mutation resolvers
  • Real-time subscriptions
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Third-Party API Integration

Connect your application with any third-party service. From social media APIs to enterprise SaaS platforms, we handle authentication, data mapping, error handling, and webhook management.

  • Social media API integration
  • Cloud service integrations (AWS, Azure)
  • Communication APIs (Twilio, SendGrid)
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Payment API Integration

Secure payment processing through leading payment providers. Stripe, Razorpay, PayPal, and more — with proper error handling, webhook processing, and PCI compliance considerations.

  • Stripe Connect and Checkout
  • Razorpay payment integration
  • PayPal and UPI integration
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CRM Integration Services

Connect your applications with popular CRM platforms. Salesforce, HubSpot, Zoho — we build bidirectional sync, automate workflows, and ensure your customer data flows seamlessly across systems.

  • Salesforce integration
  • HubSpot API integration
  • Zoho CRM connectivity
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API Testing & Documentation

Comprehensive API testing and developer-friendly documentation. Automated test suites, performance benchmarks, and interactive documentation that helps developers integrate with your API quickly.

  • Automated API test suites
  • Load and performance testing
  • Security and penetration testing
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Why TechnoSpear

Why Choose Us for API Development & Integration

API-First Design Philosophy

We design APIs before writing application code. This ensures clean contracts, enables parallel frontend/backend development, and creates APIs that third-party developers actually enjoy using.

200+ Integrations Delivered

We've integrated with Stripe, Razorpay, Salesforce, HubSpot, Twilio, SendGrid, AWS services, and hundreds more. If it has an API, we've probably already worked with it.

OpenAPI Documentation Standard

Every API we build comes with complete OpenAPI (Swagger) documentation, interactive explorers, and auto-generated SDKs. Your developers can start integrating in minutes.

Enterprise Security Patterns

OAuth2, JWT, API keys, rate limiting, request signing — we implement the right security pattern for your use case and compliance requirements.

Ready to Get Started?

Tell us about your project and we'll get back to you within 24 hours with a free consultation and estimated timeline.

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FAQ

Frequently Asked Questions

Common questions about our api development & integration services.

Should I use REST or GraphQL for my API?
REST is simpler, widely understood, and ideal for most CRUD applications. GraphQL shines when you have complex data relationships, multiple frontend clients, or need to minimize network requests. We often use REST for public APIs and GraphQL for internal product APIs.
How do you secure APIs?
We implement multiple layers: JWT or OAuth2 authentication, rate limiting, input validation, CORS configuration, request sanitization, and API key management. Every API we build follows OWASP API Security Top 10 guidelines.
Can you integrate with any third-party API?
Yes. We've integrated with hundreds of third-party APIs including payment providers (Stripe, Razorpay), CRMs (Salesforce, HubSpot), communication tools (Twilio, SendGrid), cloud services (AWS, Azure), and many more.

Ready to Build Something Great?

Let's discuss your project. Whether you have a detailed spec or just an idea on a napkin — we'll help you turn it into reality.