How do I transfer my Apple gift card’s to my bank account

How can I transfer my Apple gift card’s to my bank account

Is not possible.

You can add to your Apple ID balance.

See⤵️

Add money to your Apple ID balance

Add money to your Apple ID balance – Apple Support (UK)

See -> Check your Apple ID balance

Check your Apple ID balance – Apple Support (UK)

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If you have Apple ID balance you can't use.

You can't redeem or return Apple Gift Cards, App Store & iTunes Gift Cards or unused Apple ID balance for cash, except as required by law. If your jurisdiction allows the refund of redeemed gift balances, you can contact Apple Support to request a refund. When you contact Apple, include the following information:

•               Your Apple ID.

•               The refund amount.

•               Your current delivery address.

Contact Customer Support by phone or chat:

• Call Apple Support at 1-800-APLCARE. 📞
• International Support. 🌐
• Contact Apple Support. 📝
• Chat using Messages. 💬