To prove ownership by appending a text file to a website linked to the Google Ads account, please follow these steps:
1. Create a .txt file and save it as: Google-Ads.txt
2. Include the following string of text in this text file: “GooGhywoiu9839t543j0s7543uw1. Please add {INSERT EMAIL ADDRESS} to Google Ads account {INSERT ACCOUNT ID} with {INSERT ACCESS LEVEL} access - Date Month/DD/YYYY.”
3. Upload this text file to the root of each of the domains from which you're requesting access. You’ll append "Google-Ads.txt" to the end of your URL. For example, if your site URL is http://example.com, the uploaded file will look like this: http://example.com/Google-Ads.txt
4. Insert the corresponding link above