Send and receive faxes in the cloud using the Programmable Fax API.

The Programmable Fax API enables you to:

  • Send PDF files via fax enabled numbers or applications
  • Receive inbound faxes to a Telnyx number which will be automatically converted into PDF
  • Track the delivery status of a fax sent via API
  • List and delete history of faxes sent and received via API


Check out the Docs section of our Developer Center to learn how to:

Use Postman

To play around with a few examples, we recommend a REST client called Postman.

Prior to the import, Please refer to this section of Postman Documentation to configure environment and learn more about utilizing Postman for Telnyx APIs.

Simply tap the button below to start using the Programmable Fax API in seconds with a pre-made collection of examples.

Run in Postman


  • https://api.telnyx.com/v2/faxes/
  • https://api.telnyx.com/v2/faxes/{fax_id}