Vendor Fax Guide
How to Fax Vendor or Supplier Forms Online
Companies often request vendor or supplier documents by fax. This guide explains how to send them online quickly from any device.
Vendors, contractors, suppliers, and service partners routinely exchange documents by fax — especially W-9 forms, onboarding packets, account updates, and compliance certifications.
If you don’t have access to a fax machine, you can submit your documents online directly from this page. Simply upload your PDF and send it securely.
This guide explains:
- How to prepare vendor or supplier paperwork
- How to confirm the correct fax line
- How to submit your documents using the on-page form
Ready to fax vendor documents?
Upload your forms and send them instantly.
01
Prepare Your Vendor or Supplier Forms
Make sure your documents are clear and complete. W-9 forms, onboarding packets, and compliance pages should be signed and scanned into a single PDF if possible.
02
Verify the Recipient's Fax Number
Vendor management teams often maintain separate fax lines for onboarding, purchasing, and compliance. Confirm the correct department before sending.
03
Fax Your Vendor Documents Online
Upload your PDF, enter the correct fax number, and send your documents instantly using the form below. You'll receive updates via email.
Go to Fax Submission Form
Related Resources
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Important: TidyFax is a general-purpose online fax service. This form is not intended for transmitting HIPAA-regulated medical information. Please avoid sending PHI or confidential patient data.