Send free or paid faxes to US/Canada from Claude, ChatGPT, and other AI agents.
| Tool name | Description | Destructive? |
|---|---|---|
| send_free_fax | Send a free fax to a US/Canada number. Max 3 pages, 2/day per email/IP, email-confirmation required before the fax actua | ✓ no |
| send_fax | Send a fax via a prepaid account. Up to 300 pages, no confirmation step. | ✓ no |
| check_fax_status | Look up the delivery status of a fax by its job_id (the 10-letter PublicId returned by send_*). | ✓ no |
| list_sent_faxes | List paid faxes the authenticated account has sent, paginated, most recent first. | ✓ no |
| get_account_balance | Get the current page balance and dollar balance for the authenticated account. | ✓ no |
| purchase_credits | Start a prepaid credit purchase. Returns a PayPal payment URL. Authenticated -> credits added to existing account; unaut | ✓ no |
| list_supported_formats⚠ | Static list of accepted file types (PDF, DOC, DOCX, JPG, JPEG, TXT). | ⚠ yes |