Cleasync — API Integration Agency
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How We Work

Every project follows the same four-phase process. No surprises, no scope creep, no disappearing after deployment.

Kickoff to first working integration: typically 2–4 weeks
Phase01
Understand

We start by listening.

What systems do you use? Where does data get stuck? What manual work is costing you time? We map your current integrations (or lack of them) and identify the highest-impact connection to build first.

DeliverableIntegration map and project scope document.
Phase02
Design

Blueprint before build.

Before writing code, we design the integration architecture. API contracts (OpenAPI specs), data flow diagrams, authentication strategy, error handling approach, and monitoring plan. You review and approve the blueprint before anything gets built.

DeliverableTechnical design document and API specifications.
Phase03
Build & Test

Incremental. Verified.

We build incrementally with automated tests at every step. You get access to a staging environment where you can see the integration working with real (or realistic) data before it goes live.

DeliverableWorking integration in staging, test reports, documentation.
Phase04
Deploy & Support

Live and documented.

We deploy to production, set up monitoring and alerts, and hand over complete documentation. Your team knows how everything works, where to look when something needs attention, and how to reach us if needed.

DeliverableProduction deployment, monitoring dashboards, runbooks, knowledge transfer.

How we operate

Async-first

Most projects run well with async updates — meetings when they add value, not by default.

Documented by default

Every decision, API contract, and architecture choice is written down. Your team can understand the system without us in the room.

No scope creep

Changes happen, but we discuss scope before writing code. No surprises on invoices.

Long-term view

We build integrations we'd be comfortable maintaining. Because often we are.

Ready to start?

First step: a short conversation about your systems.

Book a discovery call →