GotFreeFax

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Send free or paid faxes to US/Canada from Claude, ChatGPT, and other AI agents.

Communication

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https://www.gotfreefax.com/mcp

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Optional Bearer token: 'Bearer ' + base64(account_number + ':' + pin). Required for paid tools.

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check_fax_status

Check the delivery status of a previously sent fax using its job_id. No authentication required — the job_id is the unforgeable token.

job_idstring, required

The job ID returned by send_fax

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Tools (7)

check_fax_status

Check the delivery status of a previously sent fax using its job_id. No authentication required — the job_id is the unforgeable token.

Argument	Type	Description
job_id*	string	The job ID returned by send_fax

Input schema (JSON)

{
  "type": "object",
  "required": [
    "job_id"
  ],
  "properties": {
    "job_id": {
      "type": "string",
      "description": "The job ID returned by send_fax"
    }
  }
}

get_account_balance

Get the current page balance and dollar amount balance for the authenticated account.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {}
}

list_sent_faxes

List faxes previously sent by the authenticated account (most recent first). Includes faxes sent via MCP, REST API, and the prepaid web form. Free anonymous sends are not included.

Argument	Type	Description
limit	integer	Max records to return (1-100, default 20)
offset	integer	Skip first N records for pagination (default 0)

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {
    "limit": {
      "type": "integer",
      "description": "Max records to return (1-100, default 20)"
    },
    "offset": {
      "type": "integer",
      "description": "Skip first N records for pagination (default 0)"
    }
  }
}

list_supported_formats

List all supported file formats that can be faxed.

No arguments.

Input schema (JSON)

{
  "type": "object",
  "required": [],
  "properties": {}
}

purchase_credits

Start a prepaid credit purchase. If the request is authenticated, credits will be loaded into the authenticated account after PayPal payment. If the request is not authenticated, provide email and name to create a new prepaid account (or load credits into an existing one with the same email). Returns a PayPal payment URL the user must visit to complete the purchase.

Argument	Type	Description
name	string	Required when the request is not authenticated. Account holder name.
email	string	Required when the request is not authenticated. Used to create or load an existing prepaid account.
service_type*	string	Purchase option. One of: prepaid10 (100 pages, $9.95), prepaid20 (250 pages, $19.95), prepaid50 (800 pages, $49.95), intprepaid50 ($49.95 international balance), intprepaid100 ($99.95 international balance), intprepaid200 ($199.95 international balance).

Input schema (JSON)

{
  "type": "object",
  "required": [
    "service_type"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "Required when the request is not authenticated. Account holder name."
    },
    "email": {
      "type": "string",
      "description": "Required when the request is not authenticated. Used to create or load an existing prepaid account."
    },
    "service_type": {
      "type": "string",
      "description": "Purchase option. One of: prepaid10 (100 pages, $9.95), prepaid20 (250 pages, $19.95), prepaid50 (800 pages, $49.95), intprepaid50 ($49.95 international balance), intprepaid100 ($99.95 international balance), intprepaid200 ($199.95 international balance)."
    }
  }
}

send_fax

Send a fax to a US or Canada phone number. Accepts PDF, DOC, DOCX, JPG, JPEG, TXT files (max 10) as base64-encoded content.

Argument	Type	Description
files*	array	Array of files to fax
fax_number*	string	Destination fax number (10 digits, US or Canada)
notify_url	string	Optional URL to receive fax completion notification

Input schema (JSON)

{
  "type": "object",
  "required": [
    "fax_number",
    "files"
  ],
  "properties": {
    "files": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "filename",
          "content"
        ],
        "properties": {
          "content": {
            "type": "string",
            "description": "Base64-encoded file content"
          },
          "filename": {
            "type": "string",
            "description": "File name with extension (e.g. document.pdf)"
          }
        }
      },
      "description": "Array of files to fax"
    },
    "fax_number": {
      "type": "string",
      "description": "Destination fax number (10 digits, US or Canada)"
    },
    "notify_url": {
      "type": "string",
      "description": "Optional URL to receive fax completion notification"
    }
  }
}

send_free_fax

Send a free fax to a US or Canada number (no account required). Limited to 3 pages total and 2 sends per email/IP per day. Returns a job_id immediately, but the fax does NOT send until the sender clicks a confirmation link emailed to sender_email. The daily-limit check happens at click time, not at submission — a submitted fax may still be rejected if the limit is hit by then; the agent can detect this by calling check_fax_status after the user reports clicking the link. If the document exceeds the free page limit, the response will suggest using purchase_credits to buy a prepaid account.

Argument	Type	Description
text	string	Fax body text. Either text or files must be provided.
files	array	Up to 3 files. Each must be base64-encoded. Free faxes are limited to 3 pages total across text + files.
subject	string	Subject line (optional).
fax_number*	string	Destination fax number (10 digits, US or Canada).
sender_fax	string	Sender's fax number (optional).
cover_sheet	boolean	Include cover sheet (default true).
sender_name*	string	Sender's name (required).
sender_email