can we create webhooks for add record one application to another application

Absolutely! You would use API_AddRecord, and would need to supply a usertoken that is valid in the app in which you are adding the record (and also has permission on the target table/fields).

https://help.quickbase.com/api-guide/index.html#add_record.html%3FTocPath%3DQuick%2520Base%2520API%2...

https://help.quickbase.com/api-guide/create_user_tokens.html