Sfax (Secure Fax) offers encrypted, HIPAA‑compliant faxing for businesses. Below is a curated list of 20 comparable fax‑service platforms that provide secure, cloud‑based, and often API‑driven fax solutions.
Get targeted exposure with custom position pinning and highlighted placement.
Industry‑leading online fax service with mobile apps, digital signatures, and HIPAA‑compliant plans.
Integrated cloud fax within RingCentral’s unified communications suite; supports inbound/outbound fax via web, email, and mobile.
Secure, GDPR‑compliant fax platform offering API, team management, and unlimited fax numbers in over 70 countries.
User‑friendly online fax with Google Workspace integration, e‑signatures, and encrypted transmission.
Enterprise‑grade fax service with HIPAA‑compliant storage, bulk faxing, and robust API for workflow automation.
Cloud fax solution offering unlimited inbound/outbound fax, secure data centers, and mobile apps for iOS/Android.
Secure fax gateway and managed service focused on regulated industries; includes audit trails and encryption at rest.
Simple online fax with unlimited sending, digital signatures, and compliance options for healthcare and legal.
Mobile‑first fax app offering temporary fax numbers, cloud storage, and push notifications for received faxes.
Affordable cloud fax service with desktop and mobile apps, unlimited inbound fax, and optional HIPAA compliance.
API‑centric fax service with global reach, secure TLS transmission, and detailed delivery reports.
Enterprise fax server and cloud service delivering secure, high‑volume faxing with workflow integration.
Low‑cost online fax with unlimited inbound/outbound pages, mobile apps, and encrypted storage.
Free web‑based fax for sending up to 5 pages per fax (max 3 faxes per day); paid upgrades remove ads and raise limits.
Ad‑free free fax service (up to 3 pages per fax) with optional paid plans for higher volume and PDF support.
Online fax platform offering unlimited fax numbers, secure storage, and integration with Microsoft 365.
Business fax service with unlimited inbound/outbound pages, team accounts, and encrypted data handling.
Enterprise fax gateway delivering secure, high‑throughput faxing via API and on‑premise connectors.
Cloud fax service focused on document management, with e‑signatures, secure transmission, and integration with Dropbox/Google Drive.