# Credit Memos

Credit memos reduce invoice and account balances. By applying one or more credit memos to invoices with positive balances, you can reduce the invoice balances in the same way that applying a payment to an invoice.
For more information about credit memos, see Credit and debit memos.

 - [GET /v1/credit-memos](https://developer.zuora.com/v1-api-reference/api/credit-memos/get_creditmemos.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [POST /v1/credit-memos](https://developer.zuora.com/v1-api-reference/api/credit-memos/post_creditmemofromprpc.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [POST /v1/credit-memos/bulk](https://developer.zuora.com/v1-api-reference/api/credit-memos/post_createcreditmemos.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/bulk](https://developer.zuora.com/v1-api-reference/api/credit-memos/put_updatecreditmemos.md): **Notes:** - This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally availa
 - [GET /v1/credit-memos/pdf-status](https://developer.zuora.com/v1-api-reference/api/credit-memos/get_creditmemopdfstatus.md): Retrieves the PDF generation statuses of a batch of credit memos.
 - [GET /v1/credit-memos/{creditMemoId}/items/{cmitemid}/taxation-items](https://developer.zuora.com/v1-api-reference/api/credit-memos/get_taxationitemsofcreditmemoitem.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/{creditMemoId}/write-off](https://developer.zuora.com/v1-api-reference/api/credit-memos/put_writeoffcreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [DELETE /v1/credit-memos/{creditMemoKey}](https://developer.zuora.com/v1-api-reference/api/credit-memos/delete_creditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [GET /v1/credit-memos/{creditMemoKey}](https://developer.zuora.com/v1-api-reference/api/credit-memos/get_creditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/{creditMemoKey}](https://developer.zuora.com/v1-api-reference/api/credit-memos/put_updatecreditmemo.md): **Notes:** - This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally availa
 - [PUT /v1/credit-memos/{creditMemoKey}/apply](https://developer.zuora.com/v1-api-reference/api/credit-memos/put_applycreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/{creditMemoKey}/cancel](https://developer.zuora.com/v1-api-reference/api/credit-memos/put_cancelcreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [POST /v1/credit-memos/{creditMemoKey}/emails](https://developer.zuora.com/v1-api-reference/api/credit-memos/post_emailcreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [POST /v1/credit-memos/{creditMemoKey}/files](https://developer.zuora.com/v1-api-reference/api/credit-memos/post_uploadfileforcreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [GET /v1/credit-memos/{creditMemoKey}/files](https://developer.zuora.com/v1-api-reference/api/credit-memos/get_creditmemofiles.md): Retrieves the information about all PDF files of a specified credit memo. Credit Memo PDF files are returned in reverse chronological order by the value of the `versionNumber` field. **Note**: This AP
 - [GET /v1/credit-memos/{creditMemoKey}/items](https://developer.zuora.com/v1-api-reference/api/credit-memos/get_creditmemoitems.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [GET /v1/credit-memos/{creditMemoKey}/items/{cmitemid}](https://developer.zuora.com/v1-api-reference/api/credit-memos/get_creditmemoitem.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [GET /v1/credit-memos/{creditMemoKey}/parts](https://developer.zuora.com/v1-api-reference/api/credit-memos/get_creditmemoparts.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [GET /v1/credit-memos/{creditMemoKey}/parts/{partid}](https://developer.zuora.com/v1-api-reference/api/credit-memos/get_creditmemopart.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [POST /v1/credit-memos/{creditMemoKey}/pdfs](https://developer.zuora.com/v1-api-reference/api/credit-memos/post_creditmemopdf.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/{creditMemoKey}/post](https://developer.zuora.com/v1-api-reference/api/credit-memos/put_postcreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [POST /v1/credit-memos/{creditMemoKey}/refund](https://developer.zuora.com/v1-api-reference/api/credit-memos/post_refundcreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/{creditMemoKey}/reverse](https://developer.zuora.com/v1-api-reference/api/credit-memos/put_reversecreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [POST /v1/credit-memos/{creditMemoKey}/taxation-items](https://developer.zuora.com/v1-api-reference/api/credit-memos/post_cm_taxationitems.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/{creditMemoKey}/unapply](https://developer.zuora.com/v1-api-reference/api/credit-memos/put_unapplycreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/{creditMemoKey}/unpost](https://developer.zuora.com/v1-api-reference/api/credit-memos/put_unpostcreditmemo.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [POST /v1/credit-memos/invoice/{invoiceKey}](https://developer.zuora.com/v1-api-reference/api/credit-memos/post_creditmemofrominvoice.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [GET /v1/credit-memos/unapply-async-jobs/{unapplyAsyncJobId}](https://developer.zuora.com/v1-api-reference/api/credit-memos/getunapplycreditmemoasyncjob.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [GET /v1/credit-memos/apply-async-jobs/{applyAsyncJobId}](https://developer.zuora.com/v1-api-reference/api/credit-memos/getapplycreditmemoasyncjob.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/{creditMemoKey}/apply-async](https://developer.zuora.com/v1-api-reference/api/credit-memos/applycreditmemoasync.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available
 - [PUT /v1/credit-memos/{creditMemoKey}/unapply-async](https://developer.zuora.com/v1-api-reference/api/credit-memos/unapplycreditmemoasync.md): **Note:** This operation is only available if you have [Invoice Settlement](https://docs.zuora.com?resourceId=billing-invoice-settlement) enabled. The Invoice Settlement feature is generally available