If you are using a tool like Ahrefs or a specific payment security badge, you may need to upload a .txt root file to your Content > Files section for validation ( Shopify Community Guide ). 🧪 3. Testing the Gateway (No Papers Needed)
A valid passport, driver’s license, or national ID card. Download Shopify Gateway txt
Use the Shopify Digital Downloads app to attach a PDF or TXT file directly to a product. If you are using a tool like Ahrefs
Are you trying to for your customers to download after they buy? "any name" as the name
Use "1" as the card number, "any name" as the name, and any future date for the expiry. 📩 4. How to Provide a Downloadable File to Customers