The following document types are accepted by the /extract endpoint as either a file buffer or url:
["pdf",// Portable Document Format"doc",// Microsoft Word 97-2003"docx",// Microsoft Word 2007-2019"odt",// OpenDocument Text"ott",// OpenDocument Text Template"rtf",// Rich Text Format"txt",// Plain Text"html",// HTML Document"htm",// HTML Document (alternative extension)"xml",// XML Document"wps",// Microsoft Works Word Processor"wpd",// WordPerfect Document"xls",// Microsoft Excel 97-2003"xlsx",// Microsoft Excel 2007-2019"ods",// OpenDocument Spreadsheet"ots",// OpenDocument Spreadsheet Template"csv",// Comma-Separated Values"tsv",// Tab-Separated Values"ppt",// Microsoft PowerPoint 97-2003"pptx",// Microsoft PowerPoint 2007-2019"odp",// OpenDocument Presentation"otp",// OpenDocument Presentation Template];