GroupDocs.Rewriter Cloud provides an API to rewrite (or paraphrase) Microsoft Word and Adobe PDF documents as well as plain text and it supports the English language. Moreover, you can convert a paraphrased document to any of the supported formats. To paraphrase a document, API allows passing document format, output format, language, name of file to paraphrase, folder of file to paraphrase, name of paraphrased file, folder for paraphrased file, storage name. To rewrite plain text, language and text to rewrite should be provided.