FAX API COMPARISON
Scale faster with iFax’s Fax API. Compared to Telnyx, it offers easier fax integration, stronger compliance, and more reliable delivery, helping you connect systems and automate workflows faster.
iFax offers the most reliable programmable Fax API for seamless integration and effortless automation.
With flexible pricing and scalable plans, iFax lets you integrate faxing via API efficiently without overspending.
Our Fax API solution ensures secure, compliant integrations that meet the highest industry standards.
Side-by-Side API Breakdown
iFax Fax API | Telnyx Fax API | |
Fax API Pricing | Subscription + per-page (~$0.01/page, ~$33/mo) | Pay-as-you-go ($0.007/page) with volume discounts |
HIPAA & BAA | HIPAA-compliant, free BAA signing included | HIPAA-compatible, BAA not clearly documented |
REST API | Full REST endpoints for send/receive/manage | REST endpoints with webhooks for status |
EHR/EMR Integration | Supports EHR/EMR and CRM workflows via API | Flexible API, but integration must be custom |
Deliverability | Real-time fax transmission reports & delivery status | Status tracking via webhooks |
Inbound/Outbound Fax | Full send/receive API configuration | Full send/receive configuration via API/SIP |
Support | Dedicated responsive support, 24/7 on higher plans | 24/7 support via portal, quality varies by use case |
iFax provides full access to its Fax API on the PRO plan for $33 per month. You get a free API key for staging, complete documentation for smooth integration, and HIPAA-compliant faxing. Start with 1,000 pages per month and scale easily as your business grows.
Telnyx offers pay-as-you-go and volume-based options. Its programmable Fax API charges $0.007 per page plus SIP Trunking costs, with discounted rates available for high-volume usage.
Quickly integrate faxing securely into your systems. iFax’s Fax API meets HIPAA standards and also adheres to other key regulations, including GDPR and GLBA, offering broader coverage for enterprise and international compliance.
Telnyx supports T.38 FoIP and uses HIPAA-compliant encryption for secure real-time transmissions. While both iFax and Telnyx prioritize security, iFax stands out for its comprehensive regulatory support and ready-to-use compliance features.
With iFax, every API call goes through a rigorous deliverability process to ensure faxes are successfully transmitted. Plus, users can access detailed transmission reports for every fax sent and received. Telnyx provides status tracking via webhooks. Users can also request the removal of uploaded files after transmission.
Comparing both solutions, iFax emphasizes proactive monitoring and detailed reporting to maximize reliability.
iFax’s programmable API, with JSON responses, goes beyond just sending faxes. Your dedicated team can configure it to receive, forward, and even resend faxes. The API integrates seamlessly with any on-premise or cloud systems that support RESTful API. Telnyx offers programmable fax applications for inbound traffic and authentication, along with outbound voice profiles to manage outgoing faxes.
While both platforms provide configurable options, iFax delivers broader functionality and flexible integration across systems.
iFax ensures every fax sent via its API is fully encrypted in transit and at rest, providing secure, reliable delivery. Detailed transmission logs let you track each fax with confidence, and the API seamlessly integrates with on-premises and cloud systems.
Telnyx also offers encrypted real-time faxing via T.38 FoIP, but iFax provides stronger encryption coverage and more robust reporting, making it the preferred choice when comparing iFax and Telnyx.
“Sending fax is seamlessly smooth using the iFAX, recipients are able to receive it quickly.”
“With features like email-to-fax, international faxing, and automation through API, iFax is not just convenient but also scalable for both personal and business use.“
Frequently Asked Questions
For high-volume API faxing, iFax can offer rates as low as $0.01 per page, making large-scale integration affordable and cost-effective. With transparent, scalable pricing and bundled features, iFax makes it easier to control costs when integrating fax into business workflows via API.
Telnyx fax pricing uses a pay-as-you-go model starting at about $0.007 per page, with additional SIP trunking costs depending on usage.
Yes. The iFax programmable fax API is designed for seamless integration with EHR and EMR systems, supporting healthcare workflows that require secure document exchange, automation, and compliance with regulations like HIPAA.
The iFax API supports standard REST architecture, making it compatible with most modern programming languages and environments, including Python, JavaScript, Java, and .NET. It allows developers to integrate online faxing into existing systems with minimal friction.
iFax goes further with real-time fax status monitoring, automatic retries, and detailed reporting, giving teams greater visibility and control over faxing outcomes.
Telnyx, compared to iFax, includes error correction and status tracking through webhooks, helping detect and manage failed transmissions.
