I'm running the same request to CAMPAIGN_PERFORMANCE_REPORT and AD_PERFORMANCE_REPORT, with the exception that the latter includes the ad ID field. With CAMPAIGN_PERFORMANCE_REPORT, we get back plenty of data, but the response for AD_PERFORMANCE_REPORT contains just the headers.
Requests: CAMPAIGN_PERFORMANCE_REPORT: url: https://adwords.google.com/api/adwords/reportdownload/v201809 post: '__rdquery=SELECT+Date%2C+AdNetworkType1%2C+CampaignName%2C+CampaignId%2C+Cost+FROM+CAMPAIGN_PERFORMANCE_REPORT+DURING+20190114%2C20190120&__fmt=TSV' AD_PERFORMANCE_REPORT: url: https://adwords.google.com/api/adwords/reportdownload/v201809 post: '__rdquery=SELECT+Date%2C+AdNetworkType1%2C+CampaignName%2C+CampaignId%2C+Id%2C+Cost+FROM+AD_PERFORMANCE_REPORT+DURING+20190114%2C20190120&__fmt=TSV' For the latter, the response is just "Day Network Campaign Campaign ID Ad ID Cost " -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog: https://googleadsdeveloper.blogspot.com/ =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API and Google Ads API Forum" group. To post to this group, send email to adwords-api@googlegroups.com To unsubscribe from this group, send email to adwords-api+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/adwords-api?hl=en --- You received this message because you are subscribed to the Google Groups "AdWords API and Google Ads API Forum" group. To unsubscribe from this group and stop receiving emails from it, send an email to adwords-api+unsubscr...@googlegroups.com. Visit this group at https://groups.google.com/group/adwords-api. To view this discussion on the web visit https://groups.google.com/d/msgid/adwords-api/b6b3ee8c-4918-4cc7-acf3-c405b547760f%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.