OML

Madrid, Spain — API-First Architecture

We build custom API-first web applications

Seamless third-party software integrations. Raw infrastructure. No fluff.

Est. Madrid API-First Third-Party Integrations

Service Layers

Geological Strata

01

Custom API Integration Suite

Full-stack API architecture bridging your internal systems with external third-party platforms. RESTful and GraphQL endpoints built to specification.

Duration 10–18 Business Days
Investment from 3,200€
02

Third-Party Software Connectors

Seamless OAuth, webhook, and middleware pipelines connecting CRMs, payment gateways, analytics suites, and SaaS platforms into one coherent system.

Duration 7–14 Business Days
Investment from 2,400€
03

Headless CMS Deployment

Decoupled content architecture using Strapi, Directus, or Sanity as backend services. Frontend agnostic. Delivery via API only.

Duration 8–15 Business Days
Investment from 2,800€
04

Real-Time Data Synchronization

WebSocket and server-sent event pipelines that keep multiple databases, dashboards, and client interfaces in constant, low-latency synchronization.

Duration 12–20 Business Days
Investment from 4,100€
05

Microservice Architecture Migration

Monolith-to-microservice refactoring. Containerized services orchestrated via Docker and Kubernetes. Event-driven communication patterns.

Duration 15–30 Business Days
Investment from 6,500€
06

Payment Infrastructure Build

Stripe, Mollie, and custom payment gateway integrations. Recurring billing, invoice generation, webhook-driven fulfillment, multi-currency support.

Duration 5–12 Business Days
Investment from 2,200€
07

Cloud Infrastructure & DevOps

AWS, GCP, and Azure deployments. CI/CD pipelines, auto-scaling groups, load balancers, infrastructure-as-code via Terraform and Ansible.

Duration 7–14 Business Days
Investment from 3,500€
08

Performance Audit & Optimization

Lighthouse audits, Core Web Vitals remediation, asset pipeline compression, edge caching strategies, and database query optimization.

Duration 3–7 Business Days
Investment from 1,400€
09

Data Pipeline & ETL Systems

Extract-transform-load pipelines pulling from APIs, databases, and flat files. Scheduled cron jobs, error recovery queues, and monitoring dashboards.

Duration 10–22 Business Days
Investment from 4,800€

Operational Doctrine

Framework

Phase 01

SENSE_GRAVEL

Audit existing infrastructure. Map every endpoint, webhook, and data flow. Identify breakage points and architectural debt.

Phase 02

CONSOLIDATE_ROCK

Engineer API contracts. Build middleware layers. Containerize services. Deploy staging environments for integration validation.

Phase 03

WALK_SHORELINE

Production deployment. Monitor latency. Iterate on failure states. Hand over documentation and operational runbooks.

140+
APIs Deployed
99.97%
Uptime SLA
72hrs
Avg. Response
3
Continents Served

Initiate Contact

Ready to consolidate?

WALK_SHORELINE