# Debit Memos Debit memos increase the amount a customer owes. Debit memos can be used to correct undercharging on an invoice or to levy ad hoc charges outside the context of a subscription. Just like an invoice, debit memo balances can be settled by applying either a payment or a credit memo. For more information about debit memos, see [Credit and debit memos](https://knowledgecenter.zuora.com/Billing/Billing_and_Payments/Invoice_Settlement/B_Credit_and_Debit_Memos). ## Retrieve a debit memo - [GET /debit_memos/{debit_memo_id}](https://developer.zuora.com/other-api/quickstart-api/debit-memos/getdebitmemo.md): Retrieves the debit memo with the given ID. ## Update a debit memo - [PATCH /debit_memos/{debit_memo_id}](https://developer.zuora.com/other-api/quickstart-api/debit-memos/patchdebitmemo.md): Updates a debit memo by setting the values of the specified fields. Any fields not provided in the request remain unchanged. ## Delete a debit memo - [DELETE /debit_memos/{debit_memo_id}](https://developer.zuora.com/other-api/quickstart-api/debit-memos/deletedebitmemo.md): Permanently deletes a debit memo. This operation cannot be undone once it is performed. ## List debit memos - [GET /debit_memos](https://developer.zuora.com/other-api/quickstart-api/debit-memos/getdebitmemoes.md): Returns a dictionary with a data property that contains an array of debit memoes, starting after cursor. Each entry in the array is a separate invoice object. If no more invoices are available, the resulting array will be empty. This request should never return an error. ## Create a debit memo - [POST /debit_memos](https://developer.zuora.com/other-api/quickstart-api/debit-memos/createdebitmemo.md): Creates debit memo ## Cancel a debit memo - [POST /debit_memos/{debit_memo_id}/cancel](https://developer.zuora.com/other-api/quickstart-api/debit-memos/canceldebitmemo.md): Cancels a debit memo. Only the debit memos with the draft status can be canceled. ## List debit memo items - [GET /debit_memo_items](https://developer.zuora.com/other-api/quickstart-api/debit-memos/getdebitmemoitems.md): Lists item information on all or a subset of debit memos. ## Post a debit memo - [POST /debit_memos/{debit_memo_id}/post](https://developer.zuora.com/other-api/quickstart-api/debit-memos/postsdebitmemo.md): Opens a draft debit memo. ## Unpost a debit memo - [POST /debit_memos/{debit_memo_id}/unpost](https://developer.zuora.com/other-api/quickstart-api/debit-memos/unpostsdebitmemo.md): Unposts an open debit memo that has not been applied or refunded, and changes its state to draft. ## Pay a debit memo - [POST /debit_memos/{debit_memo_id}/pay](https://developer.zuora.com/other-api/quickstart-api/debit-memos/paydebitmemo.md): Pays a debit memo using an existing payment method.