StubHub gift codes are case-sensitive. This means you need to enter them exactly as they appear (including dashes).

• Adding a StubHub gift code on a desktop
  1. Go to Profile > Gift Codes
  2. Enter the gift code number
  3. Click Add
     
     
• Adding a StubHub gift code on the app
  1. On the Review & Buy page at checkout, tap Gift codes
     
  2. Tap the + sign
     
  3. Enter the gift code number. Tap Add.
  4. Check the code you want to use and Apply