# Invoices

## Get an invoice by its id

 - [GET /invoices/{id}](https://developer.adfin.com/products/direct-integration/direct-integration-api-reference/invoices/getinvoice.md)

## Update an invoice

 - [PUT /invoices/{id}](https://developer.adfin.com/products/direct-integration/direct-integration-api-reference/invoices/putinvoice.md)

## Void an invoice

 - [PUT /invoices/{id}:void](https://developer.adfin.com/products/direct-integration/direct-integration-api-reference/invoices/voidinvoice.md)

## Manually mark an invoice as paid

 - [PUT /invoices/{id}:mark-as-paid](https://developer.adfin.com/products/direct-integration/direct-integration-api-reference/invoices/markinvoiceaspaid.md)

## Activate (send) an invoice

 - [PUT /invoices/{id}:activate](https://developer.adfin.com/products/direct-integration/direct-integration-api-reference/invoices/activateinvoice.md)

## Retrieve a list of invoices by filter

 - [GET /invoices](https://developer.adfin.com/products/direct-integration/direct-integration-api-reference/invoices/getinvoices.md)

## Create an invoice

 - [POST /invoices](https://developer.adfin.com/products/direct-integration/direct-integration-api-reference/invoices/createinvoice.md)

## Get the file for a specific invoice

 - [GET /invoices/{id}/file](https://developer.adfin.com/products/direct-integration/direct-integration-api-reference/invoices/getfile.md)