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Fax API: Streamlining Fax for Businesses

Updated Jun 12th, 2025 - 4 min read
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Integrate with a Fax Service

Connecting systems together can be game changing for organizations who want to streamline workflows. One way to do this is through integrations developed by software companies or by using out of the box plugins offered by your business systems. Business who rely on fax communication can centralize secure file transfers using an online fax service that offers a dedicated fax API.

What is Fax API?

Fax API (Application Programming Interface) is a set of protocols that integrates faxing capabilities into various software applications. Fax API is a technology that brings together traditional faxing with modern digital solutions. With this business are able to integrate online fax service technology into the systems they use to reduce the number of platforms required to operate.  

It allows users to send and receive faxes directly through their existing systems, such as CRM, ERP, EHR or any custom business applications, without the need for fax machines or fax machine printers.

Compare Fax API Services

When comparing fax APIs for your business, it’s essential to compare more than just pricing. A robust, reliable fax API can save development time, ensure compliance, and streamline fax communication at scale. Here are the key factors to consider:

 

1. API Reliability and Documentation

Look for a fax API with clear documentation, SDKs in common languages (such as Python, JavaScript, PHP), sample code, and fast setup. A RESTful API with simple authentication, like API tokens, is ideal for most modern applications. 

Notifyre provides developers with secure API token access, comprehensive documentation, and developer-friendly tools to help you get up and running quickly. Whether you're building a custom integration or automating internal workflows, Notifyre makes it simple to connect and scale.

2. Security and Compliance

Fax often handles sensitive information, especially in sectors like healthcare, legal, and finance. It’s critical to choose a Fax API provider that meets stringent security and privacy standards. Look for providers that are:

  • HIPAA compliant
  • ISO 27001 certified
  • Able to provide Business Associate Agreements (BAAs)
  • Offering encryption in transit and at rest
  • Including secure storage and document redaction options

     

Notifyre’s fax service meets all of the above requirements, delivering enterprise-grade security and compliance you can trust. Whether you're sending confidential patient records or legal documents, Notifyre ensures your data is protected.

3. Scalability and Performance

Developers often consider scalability and performance capabilities, ensuring the system can handle fluctuating fax volumes without compromising speed or functionality. A scalable fax API reduces the need for future migrations and adapts as their business needs grow.  

Notifyre’s infrastructure is built for scale, supporting high-volume faxing, bulk send operations, without performance drop-offs. Whether you're sending a handful of faxes or thousands per day, Notifyre grows with your business.

4. API Support & Uptime

24/7 technical support and guaranteed uptime (via a Service Level Agreement) can make a big difference, especially when faxing is critical for smooth operations. Check for dedicated support channels, onboarding help, and platform status transparency. 

Notifyre goes beyond the basics, offering responsive, human support, fast issue resolution, and onboarding guidance tailored to your business needs. Whether you're integrating our API or managing high-volume fax traffic, our team is here to help you every step of the way.

Fax API Benefits

1. Automation and Efficiency: Automates the process of sending and receiving faxes, enhancing workflow efficiency.

2. Cost-Effective Solution: Reduces the need for physical fax machines, paper, and maintenance costs.

3. Enhanced Security: Provides secure transmission of documents, ensuring data privacy and compliance with regulations like HIPAA.

4. Scalability: Easily adjusts to the growing needs of a business, handling high volumes of faxes without additional hardware. 

Integrations with Business Systems

Notifyre’s fax API can be seamlessly integrated into various business applications, enabling direct fax capabilities within these systems. This integration eliminates the need to switch between different platforms, streamlining communication processes.

API Documentation

Fax API for Healthcare

Fax API finds its application across numerous sectors. In healthcare, APIs can transform traditional fax processes, especially in areas like patient referrals, medical records management, and insurance claim submissions. Here’s a common use case where an online fax API has streamlined workflows:

Use Case: Automated Patient Referral Management for Multi-Specialty Clinics

Challenge:
A large multi-specialty clinic network receives high volumes of patient referrals from primary care providers. Traditionally, these referrals were faxed as paper documents, collected from the fax machine, manually reviewed, and scanned into the electronic health record (EHR) system. This process was time consuming, prone to errors, and often led to delays in patient care.

Solution:
The clinic implemented Notifyre’s Fax API to directly integrate incoming faxes with its EHR system. Now, as referral faxes are received digitally and can be attached to the patient record without the manual requirement to collect and store the paper fax. 

Results:

  • Reduced Processing Time: Referral information is received within the EHR in real-time, reducing the processing time from hours to minutes.
  • Improved Patient Care: Faster processing means patients are scheduled more promptly, enhancing the quality of care and reducing wait times.

 

By using an API integrated fax solution, the clinic achieved greater efficiency, accuracy, and faster response times for patient care.

See Fax Pricing

Sending and Receiving Faxes With API

With Notifyre’s Fax API, sending and receiving faxes become as simple as sending an email. Users can attach documents and send them to a fax number directly from their software, and receive faxes in their application using an online fax number, all with a few clicks.

Notifyre’s Fax API also provides robust tracking and reporting features, allowing businesses to monitor fax activities, delivery statuses, and review usage patterns for better resource management.  

Quick Start Guides

Authenticating Your Notifyre Fax API Token

The Notifyre API utilises API tokens for authenticating requests, which means creating a Notifyre account for access. Once the account is set up, you can generate an API token via the Notifyre dashboard under Developer, where you also have the option to revoke it if needed.  

To authenticate your API requests, include the generated API token in the x-api-token header. It's important to note that using an incorrect or invalid token, or failing to use one at all, will result in an error from Notifyre. Additionally, all API requests must be conducted over HTTPS, as requests over plain HTTP or without proper authentication will not be successful.

Notifyre's Unmatched Customer Support

Comparing fax services goes beyond finding the lowest price. It's about choosing a provider that can support your business now and into the future, with the right balance of reliability, compliance, scalability, and developer support. Whether you’re integrating fax into an existing system or building something new, the right Fax API should feel like a true partner, not just a tool.

At Notifyre, we’re committed to making that choice simple. With robust security features, flexible pricing, developer-friendly tools, and real, human support, you’ll get more than just a fax service. You’ll get a team invested in helping your business communicate better.

Switch to Notifyre today for a flexible and scalable fax API integration

Choose Notifyre’s secure, reliable, and developer-friendly fax API to power your integration. With REST API documentation and sample code, you can access seamless scalability, HIPAA compliance, and data security to meets the highest standards in online faxing.

Enterprise Fax Gateway

Access our comprehensive REST API documentation and scale your messaging, fast!

Fax-api-online-fax-gateway.webp Explore API Documentation

Fax with Confidence

Notifyre’s HIPAA compliant fax service is built for healthcare with access controls, audit trails and encryption.

HIPAA-compliant-fax-service.webp Explore HIPAA Compliant Fax
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