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Cloud-Native API Development
REST APIsGraphQLMicroservicesAuthCloud-Native

Build APIs and Microservices That Scale With Your Product

Cloudain designs and builds cloud-native APIs, authentication services, webhook systems, event-driven microservices, and third-party integrations that power your SaaS platform, mobile app, or web product.

Build a Cloud-Native API with CloudainExplore Development

What We Build

APIs, services, and integrations built for production — not just prototypes.

REST APIs

Resource-oriented REST APIs with clean contracts, versioning, and OpenAPI documentation.

GraphQL APIs

Flexible GraphQL schemas for SaaS products, mobile apps, and complex data relationships.

Authentication services

OAuth2, JWT, API keys, SSO, and role-based access control across microservices.

Webhook & event systems

Outbound webhook delivery, event queues, and async notification pipelines.

Microservice backends

Independently deployable services with clear boundaries, contracts, and cloud-native patterns.

Third-party integrations

Payment gateways, CRMs, analytics platforms, communication tools, and cloud services.

Every delivery includes

Production-ready API delivery

Design, build, document, and test — shipped with CI/CD and ready for your frontend to consume.

API design & contract review
Authentication & authorization
Rate limiting & usage quotas
Error handling & status codes
API versioning strategy
OpenAPI / Swagger documentation
Integration testing suite
CI/CD pipeline integration

Architecture Patterns

API Gateway

Centralized entry point handling routing, auth, rate limiting, and observability across all services.

Event-driven architecture

Async service communication via message queues and event streams for decoupled, scalable systems.

Zero-trust security

Service-to-service authentication, secrets management, and least-privilege access at every layer.

Serverless & containers

Lambda functions, containerized microservices on ECS/Kubernetes, and managed cloud backends.

AI + Human API Engineering

AI Accelerates

  • API scaffolding & boilerplate
  • Schema generation
  • Test suite creation
  • Documentation drafting
  • Integration code

Human Architects Review

  • API contract & versioning strategy
  • Security & auth design
  • Performance & scalability
  • Error handling standards
  • Integration architecture

Technology Stack

Node.jsPythonJavaGoRESTGraphQLgRPCAWS LambdaECSKubernetesDockerPostgreSQLRedisKafkaSQSAPI GatewaySupabaseAuth0

Related Services

AI-Enabled Product StrategyWeb Application DevelopmentMobile App DevelopmentBI & Analytics IntegrationQA Testing & AutomationSaaS Product Development

Build a Cloud-Native API with Cloudain

Whether you need a single API endpoint or a complete microservices backend, Cloudain will design and ship it — secure, documented, and production-ready.

Build a Cloud-Native API with CloudainExplore Development