# Receiving faxes guides

Use received-fax webhooks to start a workflow when a document arrives. These guides explain how to retrieve the pages, process their contents, and pass the result to the tools your team uses.

## [How to receive an IRS 147C letter by fax](https://dearfax.com/guides/how-to-receive-irs-147c-letter.md)

Request written confirmation of an existing EIN and prepare a receiving number before you call the IRS.

## [How to get a fax number](https://dearfax.com/guides/how-to-get-a-fax-number.md)

Choose an online fax number for receiving documents, sending replies, and sharing access with your team. No phone line or fax machine needed.

## [How to summarize incoming faxes in Slack with AI](https://dearfax.com/guides/how-to-summarize-incoming-faxes-in-slack.md)

Use a DearFax webhook to trigger document reading, create a short summary, and notify the right Slack channel.

## [How to extract fax data into Google Sheets with AI](https://dearfax.com/guides/how-to-extract-fax-data-to-google-sheets.md)

Turn incoming fax pages into structured spreadsheet rows using DearFax webhooks and an AI extraction workflow.

## [How to process faxed purchase orders with AI](https://dearfax.com/guides/how-to-process-faxed-purchase-orders-with-ai.md)

Receive a purchase order in DearFax, extract its line items, and create a draft order for your team to review.