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API Development & Integration Robust API Architecture

We build the secure, scalable backbone that lets your applications talk to the world with low latency and architectures designed for resilient uptime under your SLAs.

Core Integration

  • REST & GraphQL APIs

    Optimized architecture using industry-standard protocols for maximum compatibility and performance.

  • Third-Party Integrations

    Seamlessly connect with Salesforce, Shopify, Google Workspace, and thousands of other platforms.

  • Secure Authentication

    Robust security with OAuth2, JWT, and multi-factor authentication for protected data exchange.

  • Real-time WebSockets

    Build highly interactive apps with low-latency, bi-directional communication channels.

  • Microservices Design

    Decompose monolithic systems into agile, independent services for improved maintainability.

  • Legacy System Bridging

    Modernize your existing infrastructure by building modern API wrappers around legacy databases.

Engineered for Developers.

APIs are the nervous system of modern architecture. We build robust, self-documenting REST and GraphQL interfaces with extreme focus on latency, DX (Developer Experience), and security.

  • High-Throughput Gateways

    Enterprise API Gateways (Kong, AWS API Gateway) handling rate limiting, quotas, and JWT validation at the edge.

  • Protocol Agnostic

    From standard RESTful JSON to high-performance gRPC and real-time WebSockets, we optimize for the payload.

  • Living Documentation

    Automated OpenAPI/Swagger specifications and sandbox environments generated directly from code schemas.

API Lifecycle Mastery

  1. 01

    Design

    OpenAPI blueprinting for clear contracts.

  2. 02

    Mocking

    Rapid prototyping for frontend parallel dev.

  3. 03

    Hardening

    Stress testing for peak traffic stability.

  4. 04

    Observability

    Advanced logging and real-time monitoring.

The API Toolkit

API Gateways
Kong, Express Gateway, AWS API Gateway, Apigee
Protocols & Styles
RESTful, GraphQL (Apollo), gRPC, WebSockets, tRPC
Node.js Frameworks
NestJS, Express, Fastify, Koa
Documentation
Swagger, OpenAPI 3.0, Postman, Stoplight
Testing & Monitoring
Postman/Newman, Jest, Artillery, Datadog APM
Security
OAuth 2.0, JWT, Auth0, Cloudflare WAF

API Development FAQ

Do you build REST or GraphQL APIs?

We specialize in both. We choose REST for standard, widely compatible integrations and GraphQL for complex applications requiring high data efficiency and flexible querying.

How do you handle API documentation?

Every API we build comes with interactive, live documentation using Swagger (OpenAPI) or Postman collections, ensuring your frontend and third-party developers can integrate with zero friction.

How do you ensure API security?

We implement multi-layered security including JWT/OAuth2 authentication, rate limiting, request validation, CORS configuration, and end-to-end encryption to protect your data and endpoints.

Can you integrate with legacy systems?

Absolutely. We often build API wrappers around legacy databases and monolithic systems to expose their functionality to modern web and mobile applications through clean, modern interfaces.

Ready to get started?

Tell us about your goals and we will get back to you with questions or a suggested next step.

ElvixTech

New ideas. Fresh energy. Real dedication. A new team building web, mobile and SaaS products, with your success as our first milestone.

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