⚡ HIGH-THROUGHPUT API ENGINEERING & CLOUD MICROSERVICES Get Free Consultation →
đŸ› ī¸ Services ▾
đŸĸ Industries ▾
🧠 AI Solutions ⚡ Capabilities 📊 Case Studies & ROI đŸ”Ĩ Shopify Offer ($150)
đŸ‘Ĩ Company ▾
📞 Contact Us Get Free Consultation →
🔗 API & Cloud Microservices Engineering

Robust API & Cloud Architecture Built for High Scale

Architect RESTful & GraphQL APIs, serverless cloud functions, event-driven Kafka pipelines, and containerized Kubernetes microservices engineered for sub-50ms latency.

1B+
Monthly API Calls
<35ms
Average Response
99.999%
High Availability
AWS / GCP
Certified Partners
⚡
GraphQL & gRPC
<4ms Ultra-Fast Mesh
â˜ī¸
Kubernetes K8s
Auto-Scaling Cluster
bash - ozostack-mesh-cli v4.2.0 --aws-us-east-1
K8S: HEALTHY
# Initializing high-throughput API mesh gateway...
$ ozostack-mesh gateway start --env=production
[INFO] API Gateway initialized on port 443 (TLS 1.3)
[BENCHMARK] POST /api/v2/transactions/stream 200 OK - 3.8ms
[KUBERNETES] Auto-scaling pods: 24 active instances (CPU: 18%)
JSON Payload Stream Benchmark
{ "status": 200, "latency": "3.8ms", "throughput": "150,000 req/s", "security": "OAuth2 + JWT" }
Kafka Bus: 0 Messages Lag Memory Cache: Redis Cluster Security: Zero-Trust
🔒
Zero-Trust Security
OAuth2 & Rate-Limiting
GraphQL & REST APIs gRPC & Protocol Buffers Kubernetes (K8s) & Helm Docker Containers Apache Kafka & NATS AWS Lambda & Serverless Redis Cluster & Memcached Kong & Envoy API Gateway OAuth2 & JWT Authorization Prometheus & Grafana GraphQL & REST APIs gRPC & Protocol Buffers

Legacy Monolith vs. OzoStack API Mesh

See how modernizing your legacy backend into an event-driven microservices mesh transforms speed, uptime, and scaling efficiency.

❌ Legacy Monolith Architecture

Tightly Coupled Monolith

  • âš ī¸ Slow Response: 350ms to 1,200ms latency
  • âš ī¸ Single Failure Point: One bug crashes entire application
  • âš ī¸ Expensive Scaling: Must scale whole server stack
  • âš ī¸ Risky Deployments: Required hours of downtime cutovers
🚀 OzoStack Microservices Mesh

Cloud-Native Microservices

  • ⚡ Ultra-Fast: Sub-5ms response times (gRPC/GraphQL)
  • đŸ›Ąī¸ High Resiliency: Isolated containers & auto-healing pods
  • â˜ī¸ Granular Auto-Scaling: Scale individual microservices on demand
  • 🔄 Zero-Downtime CI/CD: Continuous blue-green deployments

High-Performance Engineering
For Distributed Systems

We build custom API gateways, event-driven message streaming platforms, and containerized cloud backends designed for enterprise throughput.

⚡

RESTful & GraphQL Gateways

Sub-5ms GraphQL and RESTful API gateway microservices built with TypeScript, Node.js, and Go for high-throughput mobile & web apps.

GraphQLREST APIKong
â˜ī¸

Kubernetes (K8s) Orchestration

Multi-cloud Docker container orchestration with automated pod scaling, load balancing, and zero-downtime rolling updates on AWS/GCP.

KubernetesDockerHelm
🔄

Event-Driven Streaming (Kafka)

Real-time asynchronous message queues and event streaming buses using Apache Kafka and RabbitMQ handling millions of events/min.

Apache KafkaRabbitMQEvent Bus
🚀

gRPC High-Speed Services

Low-latency internal microservice communication using Protocol Buffers and gRPC for sub-2ms server-to-server payload transfers.

gRPCProtobufSub-2ms
🔒

Zero-Trust API Security

OAuth2, JWT authentication, automated rate-limiting, CORS policies, and Web Application Firewall (WAF) integration.

OAuth2JWTWAF Security
đŸ›ĸī¸

Distributed Caching & Sharding

High-availability Redis Clusters, database read-replicas, and CockroachDB sharding to eliminate backend database bottlenecks.

Redis ClusterCockroachDBSharding

Explore Production API & Cloud Mesh

Review custom high-throughput API gateways and distributed cloud microservices engineered by OzoStack.

https://gateway.finedge.ozostack.io
100,000 req/sec Stream <3ms Latency
[gRPC Bus] Stream: Financial Market Data Feed -> 24 K8s Pods Active
Fintech API Mesh

FinEdge — High-Speed Trading API

High-throughput gRPC financial streaming gateway processing over 100,000 live order requests per second with sub-3ms latency.

Go Lang gRPC Kubernetes Redis Cluster
https://api.aurastore.ozostack.io
Headless GraphQL Mesh Sub-Second Checkout
[GraphQL Federated] Cart + Inventory + Payment -> Kafka Event Stream
eCommerce API Gateway

AuraStore — Headless GraphQL Mesh

Federated GraphQL API layer connecting headless Shopify storefronts, multi-warehouse inventory, and Stripe payment processing.

GraphQL Node.js Kafka AWS Lambda
https://telemetry.logifleet.ozostack.io
IoT MQTT Telemetry Hub 50k Active Trucks
[MQTT / Websockets] GPS Pings -> TimescaleDB Time-Series Data
IoT & Telematics Mesh

LogiFleet — Fleet Telemetry Ingestion

Real-time IoT MQTT streaming pipeline ingesting 50,000 active truck pings per second into an automated route optimization engine.

MQTT Python FastAPI TimescaleDB Docker

Our 5-Step Cloud Migration Blueprint

How we audit legacy backends, design API contracts, build containerized microservices, and execute zero-downtime cutovers.

01

Monolith Audit

Identifying legacy bottlenecks, database locks, and microservices boundary mapping.

02

API Schema Definition

Defining OpenAPI (Swagger), GraphQL federation, and gRPC Protocol Buffer schemas.

03

Microservices Engineering

Developing isolated containerized microservices with Docker, Node.js, Go, or Python.

04

Kubernetes CI/CD Setup

Deploying auto-scaling K8s pods, Helm charts, and automated GitHub Actions pipelines.

05

Zero-Downtime Traffic Cutover

Executing blue-green traffic switching with zero customer disruption and 24/7 SLA monitoring.

Trusted By DevOps & Infrastructure Leaders

Hear what Principal Architects and VPs of Infrastructure say about building API microservices with OzoStack.

★★★★★

"OzoStack transformed our legacy PHP monolith into a high-throughput gRPC microservices mesh. Our API response latency dropped from 450ms down to just 3.8ms!"

MC

Marcus Chen

VP of Infrastructure, FinEdge

★★★★★

"The federated GraphQL API mesh they built for our headless Shopify store handled Black Friday traffic seamlessly with 0% downtime and 150,000 req/sec peak."

SR

Sarah Roberts

Principal Architect, AuraStore

★★★★★

"Their Kubernetes orchestration and Kafka message queue engineering are world-class. Our telemetry ingestion system processes 50,000 pings/sec flawlessly."

DK

David Kapoor

DevOps Lead, LogiFleet

API & Cloud FAQ

Common questions about building custom API gateways and cloud microservices with OzoStack.

Why migrate from a REST API to GraphQL or gRPC?
+
GraphQL eliminates over-fetching and under-fetching by allowing clients to request exact fields in one request. gRPC uses HTTP/2 and binary Protocol Buffers to reduce payload sizes by up to 80% and lower server-to-server communication latency down to sub-5ms.
How do you guarantee zero downtime during cloud migration?
+
We implement blue-green deployment strategies and canary releases behind an intelligent API Gateway (Kong/Envoy). Traffic is gradually shifted in real time while active telemetry verifies 100% health.
What cloud providers and container frameworks do you support?
+
We support all major cloud providers including AWS (EKS/Lambda), Google Cloud (GKE/Cloud Run), Microsoft Azure (AKS), as well as Docker, Kubernetes, Terraform, and Helm charts.
Do you provide full documentation and API SDKs?
+
Yes! We automatically generate interactive OpenAPI (Swagger) documentation, Postman collections, and client SDKs for JavaScript/TypeScript, Python, Swift, and Kotlin.

Ready to Modernize Your API & Cloud Infrastructure?

Schedule a free 30-minute technical audit with our principal cloud & API architects. Zero obligations.

Book Technical Audit →