API Development

Services · BackendSeamless, scalable and secure APIs to connect your frontend, mobile and third-party services.

At Dharmsy, we design and develop robust APIs that empower your applications to exchange data efficiently and securely. Whether you’re building a SaaS platform, mobile app or internal dashboard, we streamline back-end communication using modern architectures like REST and GraphQL.

🔗 Key Features

  • RESTful & GraphQL APIs: flexible, predictable and well-documented endpoints.
  • AuthN & AuthZ: JWT, OAuth2, API keys and role-based access control.
  • High performance: caching, pagination, indexing and connection pooling baked in.
  • Secure by design: validation, rate-limiting, HTTPS, audit logs and best-practice hardening.
  • Deep integrations: payments, CRMs, analytics, notifications and 3rd-party APIs.
  • Scalable architecture: monoliths or microservices with Node.js, Express and SQL/NoSQL databases.

📌 Typical Use Cases

  • 📱 Mobile backends for React Native & Flutter apps
  • 🛒 Custom APIs for e-commerce, marketplaces and CMSs
  • 🌐 Web dashboards, admin panels and internal tools
  • 💳 Payment and subscription gateway integrations
  • 📈 Analytics, logging and monitoring APIs

🛠️ Technology Stack

  • 🟢 Node.js / Express.js
  • 🔵 PostgreSQL / MongoDB
  • 🧬 GraphQL / REST
  • 🔐 JWT / OAuth2 / Firebase Auth
  • 📊 Swagger / OpenAPI / Postman collections
  • ☁️ AWS Lambda, GCP Cloud Functions, PM2-based services

💡 Why Choose Dharmsy?

  • ✅ 4+ years of experience in backend and API development
  • ✅ Designed APIs used by 500k+ mobile users (Haiyvee app)
  • ✅ Clean code, versioning strategy and clear documentation
  • ✅ Startup-friendly engagement: PoC, project or long-term retainers

❓ Frequently Asked Questions

What types of APIs do you develop?

We specialize in RESTful and GraphQL APIs — public, private or internal — with security, observability and performance built in from day one.

Can you integrate APIs with my mobile or frontend apps?

Yes. Our APIs are optimized for React Native / Flutter on mobile and modern frontends like Next.js / React on web.

Do you provide documentation?

Every project ships with Swagger / OpenAPI docs or Postman collections so your team can plug in quickly.

How do you ensure API security?

We use rate-limiting, input sanitisation, HTTPS/TLS, JWT/OAuth2, RBAC and monitoring tools (Sentry, Datadog, etc.) to protect your stack.

What is your pricing model?

For clearly defined scopes we work on fixed-price; for ongoing work we offer retainers or hourly consulting. Share your use-case and we’ll suggest the most sensible option.

🚀 Need Expert-Level API Development?

If you’re planning a new product, refactoring an old backend or just need a reliable API layer, we can help you design something that scales with your business.

👉 Talk to Dharmsy about API development

Work with Dharmsy Innovations

Turn Your SaaS or App Idea Into a Real Product — Faster & Affordable

Dharmsy Innovations helps founders and businesses turn ideas into production-ready products — from MVP and prototypes to scalable platforms in web, mobile, and AI.

No sales pressure — just honest guidance on cost, timeline & tech stack.

API Development Services | Dharmsy