Technology — API Integration
API Integration in Spain
We build professional solutions with API Integration for businesses across Spain. Expert developers in Madrid, Barcelona, Valencia, Sevilla and more.
Benefits
Why choose API Integration
Discover the key advantages that make API Integration the right choice for your project and how it can drive your business forward.
System connectivity
Connect your website, CRM, ERP and third-party tools so data flows automatically.
Full automation
Eliminate manual data entry and automate processes between different platforms.
Secure communication
APIs with OAuth2 authentication, JWT, rate limiting and data encryption in transit.
Complete documentation
APIs documented with OpenAPI/Swagger to facilitate integration by third parties.
Custom APIs
Design and development of custom REST and GraphQL APIs to expose your data and services.
Monitoring & logs
Monitoring dashboard with logs, usage metrics and error alerts for integrations.
Use Cases
Real-world applications of API Integration
- 01
Payment gateway integration
Connection with Stripe, PayPal, Redsys and other gateways for secure payment processing.
- 02
ERP/CRM synchronization
Bidirectional integration with SAP, Salesforce, HubSpot or other enterprise management systems.
- 03
Shipping & logistics APIs
Integration with SEUR, MRW, Correos and other carriers for automated tracking.
- 04
Third-party APIs
Integration with Google Maps, social media, email services and any public or private API.
Tech Stack
Technologies we use with API Integration
NestJS / Express
Backend frameworks for robust REST API development.
GraphQL
API query language for flexible and efficient queries.
Swagger / OpenAPI
Interactive and auto-generated endpoint documentation.
Postman
API testing and documentation with shared collections.
Redis
Cache and rate limiting for high-performance APIs.
Webhook / Event-driven
Event-driven architecture for real-time integrations.
FAQ
Frequently asked questions about API Integration
We integrate any type of API: REST, GraphQL, SOAP, WebSocket. We work with payment APIs (Stripe, PayPal), logistics (SEUR, MRW), CRM (Salesforce, HubSpot), social media and any service with a public API.
A simple integration (payment gateway, email) starts from 1,000EUR. Complex integrations with bidirectional synchronization, webhooks and data transformation can reach 8,000EUR.
Yes, we design and develop complete REST and GraphQL APIs with authentication, validation, Swagger documentation and automated tests.
We implement JWT/OAuth2 authentication, rate limiting, data validation, HTTPS encryption, configured CORS and audit logs for all APIs we develop or integrate.
Yes, all APIs we develop include interactive documentation with Swagger/OpenAPI, Postman collections and integration guide for developers.
Ready to start your API Integration project?
Contact us today and get a free, no-obligation quote. We specialize in delivering API Integration solutions that drive real business results.
Get your free quote