We completed a month ago a brand new website for our client Cegape. Cegape.fr
We built it on Umbraco CMS V13.6 from scratch with a .net core API and app with an azure hosting and the client is very happy with it - The site is getting a lot of traffic generating +40% revenue compare to the previous website
Now the client wants more integration with it Information system including Hubspot CRM so he wants us to intyegrate the form we created (also from scratch not Umbraco forms) to Hubspot and add some Hubsport markers in critical locations.
Anyone could led us to insight or best practice for integrating HUbspot CRM in Umbraco custom forms?
While neither of these meet your requirements, they do both handle all the authentication between Hubspot and Umbraco and send form data to Hubspot. As the source code is available for them both., I would suggest using the code from these two as inspiration.