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Provide document_url (a publicly downloadable PDF), cover_text (plain text that will be rendered onto fax pages), or pages (an estimated page count). Pricing is pay-per-fax ($1.00 first page + $0.25/page, returned in USD cents); no account or API key needed.","inputSchema":{"$schema":"http://json-schema.org/draft-07/schema#","properties":{"cover_text":{"description":"Plain text to fax instead of a document (rendered as PDF pages, ~3000 chars/page).","maxLength":50000,"type":"string"},"document_url":{"description":"Public http(s) URL of the PDF to fax. The server downloads it and counts real pages.","format":"uri","type":"string"},"pages":{"description":"Estimated page count, if you only need a rough quote.","maximum":500,"minimum":1,"type":"integer"}},"type":"object"},"name":"get_fax_quote"},{"description":"Check the delivery status of a fax sent with send_fax. 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