- To add a promo balance to your Hologram account go to the Billing section in the main menu of your dashboard.
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Once in the Billing section in the Account page, find the Account balance card and click the Apply promo code button.

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Enter your promo code in the Apply promo code modal that opens, then press the the Apply promo code button.

- After submitting you should see the amount added to your account’s Promotional credits balance.