Facebook- You will have to integrate the Facebook lead ad connector so the leads to land in the LeadSquared account directly.
Kindly refer to the article:
Google- We have the Lead capture API. You will have to use that API and the account access keys and push the leads to their account. Further, to sync the google ad details, you will have to integrate the Google AdWords data sync.
Kindly refer to the article:https://help.leadsquared.com/adwords-datasync-app/
Website- Lead capture API has to be used to capture leads. Further tracking script available in their account has to be copy-pasted into the source code of the website in the body section. Also, the website domain has to be registered in their LeadSqured account for website tracking.
Kindly refer to :
Instagram- If from Instagram, the leads are directed to the website then they have to be captured through API.
Kindly refer to :https://apidocs.leadsquared.com/capture-lead/