SendFaxFast

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com.sendfaxfast/faxv1.1.0 Domain verified

Send real faxes from AI chat. PDF, JPG or PNG. Pay per fax via Stripe link. US, CA, AU, NZ + 39

Communication

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Call this server's tools from your browser. Nothing to install.

https://sendfaxfast.com/api/mcp.php

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

create_upload_link

Creates a secure one-time upload link (valid 30 minutes) for the fax document (PDF, JPG or PNG, max. 10 MB) – upload from phone or computer by drag & drop, file picker or camera. For files on the user's device, or chat attachments that are not available as send_fax's "file" parameter. The user opens upload_url and uploads the file; send_fax then accepts the returned upload_id. Creating a link sends nothing and costs nothing.

This tool takes no arguments.

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

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Tools (6)

create_upload_link

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

get_account_info

Get subscription plan details, remaining fax quota, and billing period. Requires your subscription API key (sff_...).

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "properties": {},
  "additionalProperties": false
}

get_fax_price

Calculate the pay-per-fax price for sending a fax to a specific number. No API key required. Supported: USA, Canada, Australia, New Zealand and 39 more countries (same list as sendfaxfast.com); premium-rate numbers are not supported.

read-only

Argument	Type	Description
pages	integer	Number of pages in the document (default: 1)
fax_number*	string	Recipient fax number in E.164 format (e.g. +12125550100 for USA, +61212345678 for Australia, +911123456789 for India)

Input schema (JSON)

{
  "type": "object",
  "required": [
    "fax_number"
  ],
  "properties": {
    "pages": {
      "type": "integer",
      "default": 1,
      "maximum": 100,
      "minimum": 1,
      "description": "Number of pages in the document (default: 1)"
    },
    "fax_number": {
      "type": "string",
      "description": "Recipient fax number in E.164 format (e.g. +12125550100 for USA, +61212345678 for Australia, +911123456789 for India)"
    }
  }
}

get_fax_status

Check the delivery status of a fax. Use token for pay-per-fax orders, fax_id for subscription orders (fax_id requires your API key; only your own faxes are visible).

read-only

Argument	Type	Description
token	string	Token returned by send_fax for pay-per-fax orders
fax_id	integer	Fax ID returned by send_fax for subscription orders (requires API key)

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "token": {
      "type": "string",
      "description": "Token returned by send_fax for pay-per-fax orders"
    },
    "fax_id": {
      "type": "integer",
      "description": "Fax ID returned by send_fax for subscription orders (requires API key)"
    }
  }
}

list_fax_history

List recent faxes sent from this subscription account. Requires your subscription API key (sff_...).

read-only

Argument	Type	Description
limit	integer	Number of results to return (1–50, default: 10)
offset	integer	Pagination offset (default: 0)

Input schema (JSON)

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "default": 10,
      "maximum": 50,
      "minimum": 1,
      "description": "Number of results to return (1–50, default: 10)"
    },
    "offset": {
      "type": "integer",
      "default": 0,
      "minimum": 0,
      "description": "Pagination offset (default: 0)"
    }
  }
}

send_fax

Send a PDF document to a fax number. WITHOUT API key: returns a Stripe checkout link (pay-per-fax from $2.89) – the fax is sent after the user pays. WITH a Mini/Flex subscription key (sff_...): sends immediately from the subscription quota. The document must be a direct, publicly accessible HTTPS link to a PDF (max. 10 MB). Supported: USA, Canada, Australia, New Zealand and 39 more countries (same list as sendfaxfast.com); premium-rate numbers are not supported. Each call transmits (or, for pay-per-fax, prepares the checkout for) a real fax to the given number. DOCUMENT (exactly one): "upload_id" from create_upload_link (for files on the user's device), "file" (a file attached in ChatGPT, filled in automatically), "document_url" (direct public HTTPS link to a PDF) or "document_base64" (tiny files only, max. 700 KB). For an attachment that is not available as "file", create_upload_link provides an upload link. The result states whether the fax was sent, scheduled or is awaiting payment.

destructive

Argument	Type	Description
file	object	ChatGPT: the fax document the user attached in the chat (PDF, JPG or PNG). Filled in automatically by ChatGPT.
email	string	Customer email for payment receipt and delivery confirmation (optional for pay-per-fax)
upload_id	string	upload_id returned by create_upload_link (after the user uploaded the file). One-time use.
fax_number*	string	Recipient fax number in E.164 format (e.g. +12125550100)
document_url