> ## Documentation Index
> Fetch the complete documentation index at: https://developers.telnyx.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Fax llms.txt

> Machine-readable documentation index for Fax (Other APIs) — guide pages and API endpoints for AI agents and LLMs

# Telnyx Other APIs: Fax — Documentation Index

> Fax documentation within the Other APIs section of the Telnyx developer docs ([https://developers.telnyx.com](https://developers.telnyx.com)).
> Root index: [https://developers.telnyx.com/llms.txt](https://developers.telnyx.com/llms.txt) · Other APIs index: [https://developers.telnyx.com/development/llms/other-apis-llms-txt.md](https://developers.telnyx.com/development/llms/other-apis-llms-txt.md) · Full content for this subsection: [https://developers.telnyx.com/development/llms/other-apis-fax-llms-full-txt.md](https://developers.telnyx.com/development/llms/other-apis-fax-llms-full-txt.md)

* [Getting Started](https://developers.telnyx.com/docs/programmable-fax/get-started.md): Get started with Telnyx Programmable Fax — buy a fax-enabled number, configure your connection, and send your first fax with the API or portal.
* [Quickstart](https://developers.telnyx.com/docs/programmable-fax/quickstart.md): Quickstart for Telnyx Programmable Fax. Send and receive faxes worldwide from your app in minutes — no fax machine, no software, just the Telnyx API.
* [Receiving Webhooks](https://developers.telnyx.com/docs/programmable-fax/receiving-webhooks.md): Receive Telnyx Programmable Fax webhooks for status updates on inbound and outbound faxes. Covers event types, payload, and signature verification.
* [Sending Commands](https://developers.telnyx.com/docs/programmable-fax/sending-commands.md): Telnyx's Programmable Fax offers an easy way to send faxes from
* [Send a fax via API](https://developers.telnyx.com/docs/programmable-fax/send-a-fax-api.md): Send a fax with the Telnyx Programmable Fax API. Step-by-step tutorial with code examples to submit a fax, track delivery, and handle webhooks.
* [Receive a fax via API](https://developers.telnyx.com/docs/programmable-fax/receive-a-fax-api.md): Receive faxes from anywhere in the world with the Telnyx Programmable Fax API. Configure a fax-enabled number and handle inbound media URLs in your app.
* [Email to fax](https://developers.telnyx.com/docs/programmable-fax/email-to-fax.md): Telnyx's Programmable Fax allows you to send faxes from your email.

## API Reference (Fax)

### Programmable Fax Applications

* [List all Fax Applications](https://developers.telnyx.com/api-reference/programmable-fax-applications/list-all-fax-applications.md): This endpoint returns a list of your Fax Applications inside the 'data' attribute of the response. You can adjust which applications are listed by using filter…
* [Creates a Fax Application](https://developers.telnyx.com/api-reference/programmable-fax-applications/creates-a-fax-application.md): Creates a new Fax Application based on the parameters sent in the request. The application name and webhook URL are required. Once created, you can assign phon…
* [Retrieve a Fax Application](https://developers.telnyx.com/api-reference/programmable-fax-applications/retrieve-a-fax-application.md): Return the details of an existing Fax Application inside the 'data' attribute of the response.
* [Update a Fax Application](https://developers.telnyx.com/api-reference/programmable-fax-applications/update-a-fax-application.md): Updates settings of an existing Fax Application based on the parameters of the request.
* [Deletes a Fax Application](https://developers.telnyx.com/api-reference/programmable-fax-applications/deletes-a-fax-application.md): Permanently deletes a Fax Application. Deletion may be prevented if the application is in use by phone numbers.

### Programmable Fax Commands

* [View a list of faxes](https://developers.telnyx.com/api-reference/programmable-fax-commands/view-a-list-of-faxes.md)
* [Send a fax](https://developers.telnyx.com/api-reference/programmable-fax-commands/send-a-fax.md): Send a fax. Files have size limits and page count limit validations. If a file is bigger than 50MB or has more than 350 pages it will fail with \`file\_size\_limi…
* [View a fax](https://developers.telnyx.com/api-reference/programmable-fax-commands/view-a-fax.md)
* [Delete a fax](https://developers.telnyx.com/api-reference/programmable-fax-commands/delete-a-fax.md)
* [Cancel a fax](https://developers.telnyx.com/api-reference/programmable-fax-commands/cancel-a-fax.md): Cancel the outbound fax that is in one of the following states: `queued`, `media.processed`, `originated` or `sending`
* [Refresh a fax](https://developers.telnyx.com/api-reference/programmable-fax-commands/refresh-a-fax.md): Refreshes the inbound fax's media\_url when it has expired

### Callbacks

* [Fax Delivered](https://developers.telnyx.com/api-reference/callbacks/fax-delivered.md)
* [Fax Failed](https://developers.telnyx.com/api-reference/callbacks/fax-failed.md)
* [Fax Media Processed](https://developers.telnyx.com/api-reference/callbacks/fax-media-processed.md)
* [Fax Queued](https://developers.telnyx.com/api-reference/callbacks/fax-queued.md)
* [Fax Sending Started](https://developers.telnyx.com/api-reference/callbacks/fax-sending-started.md)