Get ad location

I am currently using Adwords API for getting the Click Performance reports by the gclid of the users on my website but I would also like to know the URL where the user clicked the ad which brought them to my website. I have been searching for how to get this info and it seems Url Performance report would be the way to go but I can't figure out how to get the url of the specific ad. In https://developers.google.com/adwords/api/docs/appendix/reports/url-performance-report I can see that I could query with the AdGroupId or CampaignId but surely this will return the urls of all the ads which belong to those AdGroups or Campaigns?

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