Define a clear contract
Formats, permissions and errors are documented to make integration easier for client applications.
[ BACK-END & APIS ]
Connections built to last.
APIs, business services and data processing: we build the foundations that connect your interfaces to your business, with attention to security, observability and maintenance.
nexus_API WORKSPACE ◉
● ALL SYSTEMS OPERATIONAL
The right connections.
GET /v1/projects 200 OK
{ "status": "connected", "workspace": "kasual", "data": [ { "id": "project_01", "state": "ready" } ] }
Latency 42 msRequest ✓ Success
[ WHAT WE BUILD ]Your context sets the course.
Your context sets the course.
Our work gives it shape.
A first conversation helps clarify your priorities and the project’s constraints. We then define a scope, the skills required and the deliverables to approve together.
A team in Bordeaux.
Direct contacts.
Direct contacts.
Plan for background processing
Long-running tasks, retries and external dependencies are isolated so users are never blocked.
Make the system readable
Logs, metrics and tests give you the means to understand an incident and evolve the service.
[ HOW WE MOVE FORWARD ]Clarity.
Clarity.
At every stage.
Understand
Uses, constraints and expected outcomes. We share the same starting point.
Design
User journeys, mock-ups, a prototype. The idea becomes concrete enough to discuss.
Develop
Short cycles and releases to test. You see the product take shape.
Run
Deployment, hosting, maintenance. The product carries on with its users.
[ PICTURE IT ]The Nexus concept.
The Nexus concept.
An idea given shape.
nexus_API WORKSPACE ◉
● ALL SYSTEMS OPERATIONAL
The right connections.
GET /v1/projects 200 OK
{ "status": "connected", "workspace": "kasual", "data": [ { "id": "project_01", "state": "ready" } ] }
Latency 42 msRequest ✓ Success
FICTIONAL CONCEPT · API
A lot also happens under the hood.
A back-end concept orchestrating exchanges between an app, a CRM and partner services. A console makes flows and processing visible.
Explore the concept[ USEFUL QUESTIONS ]Before
Before
getting started.
Can we open our API to partners?+
Yes. Access, quotas, versions and confidentiality rules are then defined as a product in their own right.
How do I start a back-end & APIs project?+
Share your context, the users involved and the existing tools. We’ll start by clarifying the need before proposing a scope and an estimate.
How are budget and timeline set?+
They depend on the features, integrations and constraints identified. Scoping produces an explicit estimate; no fixed timeline is announced without analysis.