Now with AI Assistant Integration

Send faxes online.
From any device.

Upload a PDF, snap a photo, or connect via API. FaxHub delivers your documents to any US fax machine — fast, secure, and without the hardware.

50K+ Faxes Sent
99.7% Delivery Rate
< 30s Avg. Delivery
256-bit Encryption
PDF DOC B&W + Align SENT Upload PDF, photo, doc Process Auto-optimize Deliver To any fax number

Three steps. No fax machine.

Send a fax in under a minute from your browser or phone.

1

Upload your document

Drag & drop a file or take a photo with your phone. Our system auto-corrects perspective, converts to black & white, and optimizes for fax.

PDF DOCX XLSX PNG JPG TIFF
2

Enter the fax number

Type the recipient's US fax number or pick from your address book. Add a cover page if needed — we have templates ready.

3

Hit Send & get a receipt

Your fax is delivered in seconds. Track status in real time, get a delivery confirmation, and download the transmission receipt.

Everything you need to fax — nothing you don't

Mobile-First Experience

Native apps for iOS & Android. Snap a document with your camera — perspective correction and B&W conversion happen automatically.

Bank-Grade Security

256-bit AES encryption in transit and at rest. HIPAA-ready on every plan — no premium tier required. Your documents are safe.

Cover Page Templates

Professional cover pages with your name, company, and message. Choose from built-in templates or create your own with HTML.

Schedule & Retry

Schedule faxes for later. If a line is busy, FaxHub retries automatically up to 5 times. Track every attempt in your dashboard.

Webhooks & Notifications

Get real-time status updates via webhooks, email, or push notifications. Know the moment your fax is delivered — or if it fails.

Address Book

Save your frequent recipients. Organize with tags. See fax history per contact. No more re-typing numbers every time.

Full REST API

Integrate fax sending into any application. OpenAPI 3.0 spec, webhooks, sandbox environment for testing. Ship in hours, not weeks.

// Send a fax with one API call const response = await fetch('https://api.faxhub.us/v2/faxes', { method: 'POST', headers: { 'X-API-Key': 'fxhb_k1_...', 'Content-Type': 'application/json' }, body: JSON.stringify({ to_number: '+12025551234', file_ids: ['file-uuid-here'], cover_page: true }) });

Simple plans. No surprises.

Every plan includes API access, encryption, and cover page templates.

Starter

For occasional faxing

$4.99 /month
  • 50 pages / month
  • $0.10 per extra page
  • Cover page templates
  • Email notifications
  • API access
Choose Starter

Enterprise

High volume & compliance

$49.99 /month
  • 2,000 pages / month
  • $0.04 per extra page
  • HIPAA BAA included
  • Dedicated support
  • SLA 99.9% uptime
  • Custom integrations
Contact Sales

Build faxing into anything

REST API with OpenAPI 3.0 spec. Sandbox for testing. Webhooks for real-time status. Plus an AI skill file so assistants like Claude and ChatGPT can send faxes for your users.

REST API

35 endpoints. Auth, file upload, fax management, billing, webhooks. Full OpenAPI 3.0 spec for code generation.

Sandbox Environment

Test everything without sending real faxes or spending credits. Same API, simulated delivery.

AI Assistant Skill

Download our SKILL file and let AI assistants (Claude, ChatGPT) send faxes on behalf of users. Published on skills.sh.

Webhooks

Subscribe to fax.sent, fax.delivered, fax.failed events. HMAC-SHA256 signed payloads. Test endpoint included.

Common questions

Sign up at faxhub.us, upload your document (PDF, Word, image, or take a photo), enter the recipient's US fax number, and click Send. Your fax is delivered in minutes with a confirmation receipt you can download.
Yes. FaxHub has native apps for both iPhone and Android. You can photograph a document with your phone camera — the app automatically straightens perspective, converts to black & white, and optimizes for fax quality. You can also upload existing files from your phone.
FaxHub accepts PDF, DOCX, DOC, XLSX, XLS, PNG, JPG, JPEG, TIFF, TIF, BMP, and GIF. All files are automatically converted to fax-ready format — monochrome, optimized resolution, proper sizing.
Yes. FaxHub provides a full REST API with 35 endpoints covering authentication, file upload, fax management, billing, contacts, and webhooks. The API has a complete OpenAPI 3.0 specification, and we provide a sandbox environment for testing without sending real faxes.
Yes. All plans include 256-bit AES encryption in transit and at rest, audit logging, and access controls. Enterprise plan customers can request a Business Associate Agreement (BAA) for full HIPAA compliance.
FaxHub automatically retries up to 3 times (configurable up to 5) with smart spacing between attempts. You'll get notified of each attempt via your preferred notification method (email, push, or webhook).
Yes. We publish an AI skill file that Claude, ChatGPT, and other AI assistants can use to send faxes on behalf of users. The skill is available on our website and on skills.sh. Just connect your FaxHub API key and your AI assistant can handle the rest.
Plans start at $4.99/month for 50 pages. The Business plan at $14.99/month includes 300 pages, and Enterprise at $49.99/month offers 2,000 pages. All plans include API access, cover page templates, and encryption.

Ready to send your first fax?

Start with 10 free pages. No credit card required. Set up in 30 seconds.