Custom API Integrations

We develop custom APIs and integrations to connect your systems. REST, GraphQL, WebSocket — we connect anything with anything.

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About integration

Can't find the integration you need? We develop custom APIs and personalized integrations for any system: ERPs, CRMs, legacy systems, databases, third-party services, and IoT. We use REST, GraphQL, and WebSocket for maximum performance and reliability.

Benefits

Why choose this integration?

Integration with any existing system

REST, GraphQL, and WebSocket

Complete Swagger/OpenAPI documentation

Security with OAuth2 and API keys

Integrated monitoring and alerting

Scalability and high availability

Features

What's included?

API design and architecture

REST API development with Node.js/Python

GraphQL with Apollo Server

WebSocket for real-time

OAuth2, JWT, API key authentication

Rate limiting and caching

Swagger/OpenAPI documentation

Automated testing and CI/CD

Frequently asked questions

FAQ

A simple API (CRUD, 5-10 endpoints) starts at 1000 EUR. Complex APIs with multiple integrations, authentication, and real-time start at 3000 EUR.

We use Node.js (Express/Fastify), Python (FastAPI), TypeScript, and Go. Databases: PostgreSQL, MongoDB, Redis. Infrastructure: Docker, Kubernetes, AWS/OVH.

Yes, we offer monthly maintenance packages that include monitoring, security updates, backup, and priority technical support.

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Ready to integrate?

The Mega Promoting team integrates Custom API quickly and professionally. Free consultation.

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