Fax API

Modern, secure faxing at scale

Experience secure and reliable faxing with our powerful, user-friendly API.

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Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world.

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Keep your business running and drive operational efficiency

Our cloud-based fax service lets you transfer documents securely and reliably via our powerful API. Integrate it into your workflow so your customers can confidently share medical records, legal documents, real estate contracts, or receive food orders.

  • Flexible and scalable: Easily adapt to changing business needs with our API, leveraging cloud software to drive more value.

  • Reliable performance: Enjoy excellent deliverability and support, backed by our consistent track record and 99.999% network uptime.

  • Always secure: Meet security and privacy compliance needs with certifications like HIPAA, SOC 2, and GDPR.

  • Smart routing and intelligent retries: Intelligent routing and automatic retries for failed transmissions ensure your fax gets through every time. 

  • Cost efficiency: Eliminate hardware costs with our cloud-based solution, and benefit from our transparent pay-as-you-go pricing model.

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Reliability is key — and we get it

In today’s information-driven world, fax reliability is crucial. Our fax API ensures every the reliable delivery of your faxes — regardless of your industry, business type, size, or volume. 

Quickly set up fax services on phone numbers and send calls to us over our Super Network for fax processing. Your fax messages will travel over our redundant network infrastructure, giving you trustworthy and total coverage in the U.S. 

With an impressive 99.999% uptime, our network ensures your faxes are delivered reliably and securely. 

A Fax API designed for your industry

Whether you’re a startup looking to expand or an established company, our API lets you build a scalable faxing solution that grows with your business. You get the most out of cloud faxing without worrying about workflow disruption. We offer a seamless fax communication platform that integrates perfectly with your existing systems.

Healthcare

Ensure compliance with HIPAA and securely transmit patient information. Protect patient data while streamlining your document workflows.

Legal

Maintain confidentiality and meet legal standards with high-security faxing. Benefit from audit trails and reliable document transmission.

Finance

Securely handle sensitive financial information with scalable, reliable faxing. Optimize efficiency with support for multiple file formats and detailed reporting.

Insurance

Securely process claims and other sensitive documents. Ensure compliance with industry regulations and improve operational efficiency.

Real Estate

Transmit contracts and critical documents securely and efficiently, ensuring compliance with industry standards.
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Healthcare providers trust Sinch Fax API

The Sinch Fax API is designed to meet the rigorous demands of the healthcare industry. With our solution, healthcare providers can:

Transmit patient information securely, meeting all necessary regulatory requirements.

Simplify the sharing of medical records, test results, and other critical documents.

Utilize advanced encryption and secure transmission methods to safeguard sensitive patient data.

Benefit from features like audit trails, automatic retries, and real-time status updates, reducing administrative burdens and improving workflow efficiency.

Learn more about how Fax API can transform your healthcare operations

Transparent and flexible Pricing

Flat rate of $0.045 per page, with transparent pricing and no hidden charges.
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Scale up your faxing with ease

Our infrastructure is designed for high volumes and automatically scales to handle nearly infinite call paths. With a vast inventory of millions of local or toll-free numbers, you can easily find what you need—or even bring your own! From steady transmissions to sudden bursts, we help you manage your faxing needs efficiently and securely, scaling as your day-to-day demands increase.

Key benefits: 

  • High volume handling: Automatically scales to accommodate fluctuating fax volumes.

  • Flexible number options: Choose from millions of local or toll-free numbers, or bring your own.

  • Efficient management: Ensure smooth and secure fax operations, even during peak times.

  • Intelligent retries: Automatically retries failed faxes due to busy lines or other issues. 

Self-serve, scalable faxing designed for performance — and backed by experts

Simple dashboard

Easily track the send and receive times plus the status of your faxes.

Simple administration

Create and manage users, groups, roles, and permissions from our customer portal. Plus, make number porting requests in real time!

Quick activation

Set up your account in minutes and start sending faxes in no time!

Multiple file formats

Our solution supports DOC, DOCX, PDF, TIF, JPG, TXT, and PNG, as well as URL or HTML files for fetching or rendering from the API.

Easy and developer-friendly set up and integration

Extensive documentation and support for multiple programming languages to ease integration.

What are you waiting for?

Let’s help you get started!