# Invoices

Use invoices to bill for the goods or services that you provide.
If your invoice includes subscription items, it also includes the corresponding service periods and prices.

 - [GET /invoices](https://www.rebilly.com/docs/dev-docs/api/invoices/getinvoicecollection.md): Retrieves a list of invoices.
 - [POST /invoices](https://www.rebilly.com/docs/dev-docs/api/invoices/postinvoice.md): Creates an invoice.
 - [GET /invoices/{id}](https://www.rebilly.com/docs/dev-docs/api/invoices/getinvoice.md): Retrieves an invoice with a specified ID.
 - [PUT /invoices/{id}](https://www.rebilly.com/docs/dev-docs/api/invoices/putinvoice.md): Creates or updates (upserts) an invoice with a specified ID. Returns a conflict error if the specified ID belongs to an upcoming invoice.
 - [GET /invoices/{id}/items](https://www.rebilly.com/docs/dev-docs/api/invoices/getinvoiceitemcollection.md): Retrieves invoice items with a specified invoice ID.
 - [POST /invoices/{id}/items](https://www.rebilly.com/docs/dev-docs/api/invoices/postinvoiceitem.md): Creates an invoice item.
 - [GET /invoices/{id}/items/{itemId}](https://www.rebilly.com/docs/dev-docs/api/invoices/getinvoiceitem.md): Retrieves an invoice item.
 - [PUT /invoices/{id}/items/{itemId}](https://www.rebilly.com/docs/dev-docs/api/invoices/putinvoiceitem.md): Updates an invoice item.
 - [DELETE /invoices/{id}/items/{itemId}](https://www.rebilly.com/docs/dev-docs/api/invoices/deleteinvoiceitem.md): Deletes an invoice item.
 - [POST /invoices/{id}/issue](https://www.rebilly.com/docs/dev-docs/api/invoices/postinvoiceissuance.md): Issues an invoice with a specified ID. The invoice must be in `draft` status.
 - [POST /invoices/{id}/abandon](https://www.rebilly.com/docs/dev-docs/api/invoices/postinvoiceabandonment.md): Abandons an invoice with a specified ID.
 - [POST /invoices/{id}/void](https://www.rebilly.com/docs/dev-docs/api/invoices/postinvoicevoid.md): Voids an invoice with a specified ID.
 - [POST /invoices/{id}/recalculate](https://www.rebilly.com/docs/dev-docs/api/invoices/postinvoicerecalculation.md): Recalculates shipping rates, taxes, and discounts on an invoice with a specified ID. One use case for this operation to apply a revoked coupon, or coupon that is redeemed by a customer after the invo
 - [POST /invoices/{id}/reissue](https://www.rebilly.com/docs/dev-docs/api/invoices/postinvoicereissuance.md): Reissues an invoice with a specified ID. The status of the invoice must be `unpaid`, `partially paid`, `past due` or `abandoned`.
 - [GET /invoices/{id}/transaction-allocations](https://www.rebilly.com/docs/dev-docs/api/invoices/getinvoicetransactionallocationcollection.md): Retrieves amounts from a transaction that are allocated as invoice payments.
 - [POST /invoices/{id}/allocate-credit-balance](https://www.rebilly.com/docs/dev-docs/api/invoices/postinvoiceallocatecreditbalance.md): Allocates existing allocatable credit memos related to the invoice customer. Specific credit memos cannot be provided in the request and are selected automatically. Allocation can be capped with `amou
 - [POST /invoices/{id}/transaction](https://www.rebilly.com/docs/dev-docs/api/invoices/postinvoicetransaction.md): Applies a transaction to an invoice. The invoice status must be `unpaid`, and the transaction must have a non-zero unused amount.
 - [POST invoice-tax-calculation-failed](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-tax-calculation-failed.md)
 - [POST invoice-abandoned](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-abandoned.md)
 - [POST invoice-created](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-created.md)
 - [POST invoice-issued](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-issued.md)
 - [POST invoice-modified](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-modified.md)
 - [POST invoice-paid](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-paid.md)
 - [POST invoice-partially-paid](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-partially-paid.md)
 - [POST invoice-refunded](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-refunded.md)
 - [POST invoice-partially-refunded](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-partially-refunded.md)
 - [POST invoice-past-due](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-past-due.md)
 - [POST invoice-past-due-reminder](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-past-due-reminder.md)
 - [POST invoice-reissued](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-reissued.md)
 - [POST invoice-voided](https://www.rebilly.com/docs/dev-docs/api/invoices/invoice-voided.md)
 - [POST renewal-invoice-payment-canceled](https://www.rebilly.com/docs/dev-docs/api/invoices/renewal-invoice-payment-canceled.md)
 - [POST renewal-invoice-payment-declined](https://www.rebilly.com/docs/dev-docs/api/invoices/renewal-invoice-payment-declined.md)