Send, receive and manage fax via API over a private global IP network for unmatched flexibility, security and reliability.
Questions? Ask our experts.
Fax still holds a place of importance in a rapidly changing world, especially in compliant spaces like healthcare, finance and legal. Our Fax API and global SIP trunking infrastructure enable organizations to work with fax-centric systems—without the need for traditional fax machines or infrastructure.
Send and receive secure faxes wherever you are on our global private IP network.
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Our code is your code.
Specify an email address to automatically forward inbound faxes, and wave goodbye to your antiquated fax machine.
Access premium outbound routing with direct connections to Tier-1 faxing partners across our network.
With our Fax API, you can choose between normal, high or very high quality resolution for your faxes.
Deliver faxes via T.38 or G.711 pass-through and control T.38 re-INVITE initiator for deep configurability.
Ensure your faxes are delivered thanks to automatic error correcting and our multi-cloud network architecture.
Our advanced error correction features ensure your faxes get delivered with confidence.
T.38
curl -X POST \
--header "Content-Type: application/json" \
--header "Accept: application/json" \
--header "Authorization: Bearer YOUR_API_KEY" \
--data '{"connection_id":"234423","from":"+13125790015"}' \
https://api.telnyx.com/v2/faxes
Explore API specifications, webhook payloads and more to build time-saving fax handling applications.
Learn how to send and receive faxes with your email address, powered by the Telnyx Fax API.
Send your first API-enabled fax in less than ten minutes, with step-by-step setup instructions.
Telnyx offers powerful faxing capabilities through our programmable fax API. In this tutorial, we'll show you how to send a fax using our API. With just a few simple steps, you can have your faxes sent quickly and easily.
Telnyx's Programmable Fax API makes it easy to receive faxes from anywhere in the world. With just a few lines of code, you can start receiving faxes in your own applications and workflows.
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_limit_exceeded and page_count_limit_exceeded respectively.
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 phone numbers to your application using the /phone_numbers endpoint.
Return the details of an existing Fax Application inside the 'data' attribute of the response.
The benefits of Fax APIs means fax is as popular as ever. Read on to see how they can help simplify workflows and reduce errors.
Our new Programmable Fax API lets you send and manage fax programmatically, leveraging our private IP network and T.38 support.
Use our simple tools to debug your Fax, Voice, and Messaging communications by analyzing webhooks. Watch a live demo today!
HIPAA compliant faxes sent over T.38 SIP trunks have encrypted signaling and media, with no data stored on either end.
While a common perception may be that fax is an antiquated technology that is seldom used, it couldn’t be farther from the truth.
Is fax more secure than email? Fax isn’t without its security concerns. But, when compared to email, here’s why it has a leg up in regards to security.
From added security to convenience, there’s reason why hospitals and healthcare providers still use fax machines to transmit important information.
Learn why Telnyx is the perfect Programmable Fax partner to switch to from Twilio, who is disabling fax.
Our video walk-through shows you everything you need to receive an incoming fax as a PDF using the Telnyx Programmable Fax API.
Our video walk-through shows you everything you need to send a fax in one API command using the Telnyx Programmable Fax API.
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