We really need to integrate our form with bitrix24 crm.
Thanks for the suggestion! If this request gets more support from other users, we might consider it.
As for now, you can use Zapier integration where 5000+ services are available (including Bitrix24 CRM).
Here is an article explaining how to integrate your Form widget with Zapier - How to integrate your Form widget with Zapier - Elfsight Help Center .
If you have any further questions, just let me know. I’ll be happy to help 
I want to integration form builder to Bitrix24 how can i do that?
Unfortunately, this integration isn’t available yet. If more users show their interest in it, we’ll try to think about it.
As I mentioned above, you can try using Zapier integration as a workaround 