Dynamic HubSpot directory connected to the ADEME API
Hellio is a major player in the energy renovation sector in France, supporting both individuals and businesses with their energy improvement projects. As part of its digital strategy, Hellio wanted to create a platform capable of simplifying access to certified RGE professionals (“Reconnu Garant de l’Environnement”) across France.
The objective was to provide a fast, reliable, and intuitive search experience by centralizing official data from ADEME in order to guarantee the quality and freshness of the information made available to users.
In this context, if/else agency supported Hellio in the development of a dynamic HubSpot directory fully connected to the ADEME API. This project was the result of a three-way collaboration:
- An advanced SEO strategy and technical SEO recommendations provided by JVWEB
- Web design created by Hellio’s in-house design team
- Front-end and back-end development carried out by the full-stack experts at if/else agency
Strategic challenges of the project
Hellio wanted to leverage HubSpot to centralize content management, simplify future evolutions of the directory, and provide its marketing teams with a reliable, secure, and flexible environment.
The project’s main objectives were to:
- Develop a dynamic directory on HubSpot CMS
- Connect the platform to official ADEME data
- Enable users to search for certified RGE professionals across France using reliable and regularly updated data
- Deliver a simple and efficient user experience
- Optimize the platform’s SEO performance and generate qualified traffic around RGE-related searches
Development of the dynamic directory on HubSpot CMS & API integration
This dynamic directory is first and foremost a listing of RGE-certified professionals registered by ADEME — but the project went far beyond a simple directory.In addition to listing professionals, Hellio had very specific architectural requirements:
- A search engine by service type and postal code
- A default display showing renovation categories (which can be filtered by renovation type)
- A complete list of professionals by category
- A dedicated page for each professional displaying various information: address, phone number, SIRET number, contact information, website, RGE certifications, as well as related professionals within the same category
- Access to the France Rénov form allowing professionals to update the information held by ADEME
- An “Artisan Locator” featuring an interactive regional map
The directory was therefore structured to allow users to perform several levels of search: by service type, postal code, and/or category. All supported by carefully designed URL structures to improve search visibility and page indexing.
Focus on the ADEME API integration
One of the project’s main technical challenges was integrating official ADEME data into a directory, and therefore a web platform, developed on HubSpot CMS.To achieve this, we developed a custom API integration capable of automatically retrieving and synchronizing data from ADEME’s database of certified RGE professionals directly into Hellio’s HubSpot instance.
The entire synchronization logic was designed to optimize platform performance while ensuring efficient management of large volumes of data. HubDB, Custom Objects, and extensive data cleaning processes were required (and automated)to ensure the retrieved data could be properly structured and displayed effectively throughout the directory for end users.
Results of the custom HubSpot / ADEME integration
Thanks to this ADEME-connected directory, Hellio now benefits from a digital platform capable of centralizing RGE data, simplifying user journeys, and supporting its organic acquisition strategy through a reliable directory updated every 24 hours.
This project demonstrates our ability to develop and implement advanced, custom technical solutions on HubSpot CMS, including complex API integrations while ensuring performance and scalability.
Thanks to this custom integration, the Hellio RGE directory now provides reliable information updated every 24 hours.
