API Documentation | Fax Cost API Reference

This defines the Fax API:

Request

A Fax API request looks like:

https://fax.to/api/v2/fax/{document_id}/costs?api_key=xxxxx&fax_number+123456789

This request contains:

The following table shows the parameters you use in the request:

Parameter	Description	Required
fax_number	Fax Number. For example, `fax_number=+123456789`.	Yes.
document_id	If you want to use existing document you need to specify the document_id. For example, `document_id=10`.	Yes.

The following table shows the information for authentication:

Parameter	Description	Required
api_key	Your Key. For example, `api_key=f@x2r0ckkz`.	Yes.

You find your Key in Dashboard.

To ensure privacy, you must use HTTPS for all Faxto API requests.

You submit all requests with a POST or GET call using UTF-8 encoding and URL encoded values.

We support JSON ONLY responses


{
  "status": "success",
  "cost": 0.10
}

Key	Value	Response Type
status	The status of the API request	JSON
cost	The cost of fax for the fax number specified	JSON