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Telnyx Other APIs: Fax — Documentation Index

Fax documentation within the Other APIs section of the Telnyx developer docs (https://developers.telnyx.com). Root index: https://developers.telnyx.com/llms.txt · Other APIs index: 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
  • Getting Started: 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: 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: Receive Telnyx Programmable Fax webhooks for status updates on inbound and outbound faxes. Covers event types, payload, and signature verification.
  • Sending Commands: Telnyx’s Programmable Fax offers an easy way to send faxes from
  • Send a fax via API: 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: 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: Telnyx’s Programmable Fax allows you to send faxes from your email.

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API Reference (Fax)

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Programmable Fax Applications

  • List all Fax Applications: 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: 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: Return the details of an existing Fax Application inside the ‘data’ attribute of the response.
  • Update a Fax Application: Updates settings of an existing Fax Application based on the parameters of the request.
  • Deletes a Fax Application: Permanently deletes a Fax Application. Deletion may be prevented if the application is in use by phone numbers.

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Programmable Fax Commands

  • View a list of faxes
  • Send a fax: 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
  • Delete a fax
  • Cancel a fax: Cancel the outbound fax that is in one of the following states: queued, media.processed, originated or sending
  • Refresh a fax: Refreshes the inbound fax’s media_url when it has expired

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Callbacks