No, DKI is not allowed in all parts of a Google Ad. It can only be used in headlines, descriptions, and paths, but not in the final URL.
Where DKI Works:
✅ Headlines → {KeyWord:Default Text} (e.g., "Buy {KeyWord:Shoes} Online")
✅ Descriptions → {keyword:Best Deals on Shoes}
✅ Display Path → {KeyWord:Running-Shoes}
Where DKI Does Not Work:
❌ Final URL → {KeyWord:example.com} (Not allowed)
Fix: Ensure DKI is placed only in approved fields.