filter responses from weblink collector by custom_variable

[mittaus]

I have created a survey on Survey Monkey. And added a custom variable. The collector is a weblink appending the custom variable to it.

I want to check if a user has completed the survey or not. If someone has completed the survey then they are redirected to the homepage and if not then they are redirected to the survey page. I'm passing the CustomerID in my redirect if users have not completed the survey.

I want to be able to check if this CustomerID is in the list of responses. I'm able to get the bulk responses in my Get request But is there a way I can just check directly if this CustomerID exists in my completed list. Bulk Request: https://api.surveymonkey.net/v3/surveys/1234/responses/bulk