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beta.gouv.frCivicTechAPIOpen Source

API
Engagement

First unified API for French civic engagement. Connects 50+ listing platforms to 250+ distribution partners. 1.9 million redirections generated.

Fractional CTO & continuous development - Since November 2020

1.9M+

redirections generated

90,000+

effective applications

50+

connected platforms

250+

distribution partners

5+ years

of continuous development

Why this project matters

Unifying civic engagement at national scale

Civic engagement in France was fragmented across dozens of unconnected platforms. Volunteers could not find missions, associations could not reach their audience. The API Engagement bridges both worlds.

50+ source platforms

JeVeuxAider, Service Civique, associations, NGOs... The API aggregates engagement missions from all French platforms into a single, normalized feed.

250+ distribution partners

Institutional websites, media, local authorities, companies... Missions are redistributed everywhere citizens ready to engage can be found.

Selego has supported API Engagement as Fractional CTO for 5+ years - DJEPVA interministerial strategy
4 technical pillars

An engagement infrastructure

Unified API

First unified API for French civic engagement. Connects 50+ volunteer listing platforms to 250+ distribution partners in real time.

Embeddable widgets

Customizable widgets to integrate engagement listings directly on partner websites. Deployment in just a few lines of code.

SEO-optimized pages

Automatically generated SEO landing pages to maximize the visibility of civic engagement missions on search engines.

Real-time analytics

Real-time tracking of impressions, clicks and applications by partner. Cross-platform attribution to measure real impact.

Measurable impact

Civic engagement in numbers

1.9 million redirections to engagement missions, 90,000 effective applications generated for associations.

Platform performance

1.9M+redirections to missions
90,000+effective applications
50+connected source platforms
250+active distribution partners
5+ yearsof continuous growth

Crisis response & impact

Ukraine crisis: 200,000 redirections in emergency mobilization
Coordination with the DJEPVA interministerial strategy
Instant scaling capacity
Cross-platform attribution to measure real impact
Open source code - full transparency
Architecture & scaling

From MVP to national infrastructure

An API capable of handling millions of redirections and responding to national crises in real time.

01

API & integrations

Robust REST API architecture connecting 50+ source platforms to 250+ distributors with real-time synchronization.

02

Widgets & SEO

Embeddable widgets + automatically generated SEO pages to maximize the distribution of engagement missions.

03

Analytics & attribution

Complete journey tracking: impressions, clicks, applications. Cross-platform attribution for each partner.

04

Crisis response

Emergency mobilization capacity: 200,000 redirections during the Ukraine crisis, in interministerial coordination.

200,000 redirections during the Ukraine crisis - mobilization in 48h
Technical architecture

Stack & Infrastructure

Front-End

React.js
Next.js
TypeScript
Embeddable widgets
Static SEO pages

Back-End

Node.js
TypeScript
MongoDB + PostgreSQL
REST API
Docker

Infrastructure

Open Source (public GitHub)
Automated CI/CD
Real-time monitoring
Analytics & attribution
Metabase (dashboards)

Do you have a nationwide project?

Let's talk about your ambition

Large-scale APIs, multi-partner integrations, open source - we have the expertise to build digital infrastructures for the public good.