API Development & System Integration

We design and build robust, secure APIs that connect your applications, power your products, and enable partners to integrate with confidence.

REST & GraphQL APIs
Secure Integrations
Built for Scale & Reliability

A Solid Backbone for Your Digital Products

Modern products are built on clean, reliable APIs. At Cognivox Labs, we treat API design as core architecture — ensuring your web apps, mobile apps, SaaS platforms, and AI services can talk to each other securely and efficiently.

Backend for Your Products

Stable, well-structured APIs powering dashboards, mobile apps, and SaaS platforms without performance bottlenecks.

System Integrations

Connect CRMs, ERPs, payment providers, and internal tools using robust, well-documented integration layers.

AI & Automation Ready

APIs designed to be consumed by AI agents, workflows, and search pipelines from day one.

Where Our APIs Create Real Value

We focus on APIs that sit at the core of your product or operations — where stability, clarity, and security matter.

APIs for SaaS platforms and mobile apps
Internal APIs for microservices and data exchange
Integration with CRM, ERP, HR, and ticketing systems
Partner & public developer APIs with documentation portals
Webhook-based event systems and automation triggers
API backends for AI assistants, semantic search, and RAG

Built for Developers

We care about DX: clear endpoints, examples, SDK-ready structures, and documentation that helps your team ship faster.

OpenAPI specs for simple client generation.
Modular architecture ready for microservices.

What Our API Solutions Include

Clean, consistent API design aligned with your domain model
REST and GraphQL endpoints optimized for real-world usage
Secure authentication (OAuth2, JWT, API keys, mTLS where needed)
Role-based access control (RBAC) and permissions layers
Versioning strategies to avoid breaking client applications
Extensive logging, monitoring, and request tracing
OpenAPI / Swagger documentation and dev-friendly DX
High performance and scalability with caching & rate limiting

API & Integration Tech Stack

We choose proven technologies that fit your environment and make your APIs easy to maintain, monitor, and extend.

RESTful APIs
GraphQL
Next.js Route Handlers
Node.js (Express/Fastify)
Python (FastAPI)
TypeScript
PostgreSQL / MySQL
MongoDB / Redis
OAuth2 / JWT
API Gateways & Rate Limiting
OpenAPI / Swagger
Docker & CI/CD

Authentication, authorization, and input validation at every boundary.

Performance tuning with caching, pagination, and smart query design.

Designed to live inside modern cloud and container environments.

Our API Development Process

01. Requirements & Domain Modeling

We map your business entities, workflows, and consumers to design an API that fits how your product actually works.

02. API Specification

We define clear contracts using OpenAPI/Swagger or GraphQL schemas — before heavy implementation.

03. Implementation & Testing

We build endpoints, validations, and integrations with unit/integration tests as standard.

04. Security & Hardening

We add auth, rate limiting, input validation, and logging to protect your systems and data.

05. Documentation & Handover

We provide human-readable and machine-readable docs so your team and partners can integrate quickly.

06. Deployment & Monitoring

We deploy to your infrastructure with observability in place and support for future iterations.

Why Build Your APIs with Cognivox Labs

API-first mindset: we design for long-term maintainability, not quick hacks.

Experience connecting complex systems (SaaS, AI services, search, automation).

Security and performance baked in from the start, not as an afterthought.

Developer-friendly documentation and DX to reduce integration friction.

Based in Germany with strong focus on data protection and reliability.

Stable Foundations for Growth

The right API layer lets you add new apps, partners, and automation without rewriting your core systems.

Ideal for founders and SMEs who want a long-term technical partner to own the architecture, not just “expose some endpoints”.

Need a Reliable API Layer?

Tell us about your product and systems — we’ll design an API architecture that is secure, scalable, and easy to work with.