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Turn your idea into a market-ready product — faster, smarter, better.

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API Engineering & Platform Architecture

API Development — Build, Integrate, and Scale
from Monolith to Microservices

We design production-grade APIs that are fast, stable, and future-proof — powering web, mobile, partner, and internal platforms. From REST/JSON for broad compatibility to GraphQL for client-driven queries and gRPC for low-latency service-to-service calls, we pick the right contract and runtime for your use case. Our architecture emphasizes domain boundaries, versioning, idempotency, rate-limits, robust auth (OAuth2/OIDC, JWT, mTLS), and observability from day one.

Already have a product and want to extend it? We build clean, well-documented APIs that plug into your existing stack — enabling new features, external integrations, partner programs, and internal automation without risky rewrites. Expect OpenAPI/AsyncAPI specs, CI/CD, contract tests, and zero-downtime deploys.

Start Your API Project
Clients
Startups, Scale-ups & Enterprises
Project Type
REST, GraphQL, gRPC, Event-Driven APIs
Engagements
Greenfield, Refactors, Platform/API Gateways
Talk to an Architect
Book a 30-min Consultation
Square shape
Shape
Platform-Ready by Design

From Monolith to Microservices —
without a Big-Bang Rewrite

We follow a strangler-fig migration: place an API facade/gateway in front of the monolith, carve out bounded contexts into independent services, and slowly route traffic to new services — keeping backward compatibility and zero downtime. Where needed, we add an anti-corruption layer to shield new domains from legacy models.

Gateway & BFFs

Introduce API Gateway (Kong, NGINX, Apigee, AWS API Gateway) for routing, auth, quotas, and telemetry. Use Backend-for-Frontend for web/mobile to reduce round-trips and tailor payloads.

Data & Transactions

Move from shared schemas to database-per-service with outbox pattern, change data capture, and saga orchestration to keep consistency across services.

SLOs & Observability

Define SLIs/SLOs, propagate trace IDs, and ship metrics/logs to Prometheus/Grafana/ELK. Add circuit breakers, retries, bulkheads and rate-limits.

RESULT
API Architecture
Shape
99.95%
SLO Target
Scale, Security & Speed

Build APIs that scale with your business

Horizontal autoscaling with containers/serverless, load balancers, cache layers (CDN, Redis), and async queues (Kafka/RabbitMQ/SQS) ensures consistent p99 latency under peak. We implement semantic versioning, graceful deprecations, and blue-green/canary releases for safe evolution.

Security by default: OAuth2/OIDC, Role/Scope-based access, signed webhooks, HMAC/mTLS, secrets management, WAF & bot controls.

DX that teams love: OpenAPI/Swagger UIs, Postman collections, SDKs, sandbox environments, and live contract tests in CI.

Polyglot delivery: Node.js (Fastify/NestJS), Go, Java (Spring Boot), .NET, Python (FastAPI), PHP (Laravel), Rust — all running on Kubernetes or serverless.

Incremental Migration Roadmap

A 360-degree plan to modernize
your platform — step by step

API Facade & Gateway
Phase 1

API Facade & Gateway

Place gateway in front of monolith, enforce auth, quotas, and tracing. Publish OpenAPI contracts and stabilize external interfaces before carving services.

Domain Carve-outs

Phase 2 — Domain Carve-outs

Introduce new services behind the same endpoints (strangler). Use saga/outbox to decouple data; move hot paths first (auth, billing, search).

Operate & Scale

Phase 3 — Operate & Scale

Autoscale workloads, shard/state where needed, add CDN + edge caching, and enforce error budgets. Move to blue-green/canary deploys.

Get the full roadmap

What you get with Areksoft APIs
— engineered for the real world

Contract-first design, great developer experience, and guardrails for scale. We ship faster and safer with automation across the lifecycle.

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Contract-First

OpenAPI/AsyncAPI, schema linting, backward-compatible evolution, and generated SDKs.

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Performance

p95/p99 targets, connection pooling, gRPC for S2S, HTTP/2, compression, and caching hints (ETag/Cache-Control).

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Reliability

Retries with jitter, timeouts, hedging, circuit breakers, idempotent endpoints, DLQs, and chaos checks.

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Security

OAuth2/OIDC, scopes, ABAC/RBAC, HMAC signatures, webhook verification, mTLS, WAF & audit trails.

Common Questions

Frequently Asked
Questions

Tech leads and founders ask these when planning a platform-grade API program.

Gateway first, then strangler pattern. We keep endpoint contracts stable, route traffic to new services behind the scenes, and use blue-green/canary deployments with automatic rollback and database migration playbooks (backfills, dual-writes, and cutovers).

REST for broad ecosystem & caching, GraphQL for client-driven aggregation (web/mobile), gRPC for low-latency internal S2S. Many platforms mix them with a gateway; we’ll recommend what best fits your latency, coupling, and team skills.

Yes. We deliver in Node.js, Go, Java, .NET, Python, PHP, Rust and run on Kubernetes, serverless, or VMs. We collaborate with your engineers, set coding standards, CI/CD, and knowledge transfer for self-sufficiency.

Shift-left security, dependency scanning, secret rotation, and policy as code. OAuth2/OIDC, scope-based access, mTLS internal traffic, WAF, and audit logs. We map to your compliance needs (GDPR, SOC2, PCI practices in payment flows).

Discovery & domain mapping, architecture, schema/contracts, implementation, CI/CD, docs/SDKs, load/security tests, and a runbook with SLOs, alerts, and dashboards.

We target a first vertical slice in weeks — a real endpoint with CI, monitoring, and docs — then expand iteratively. This de-risks delivery and unlocks early integrations/revenue.

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