Turnitin
communityAcademic integrity platform used by 35+ million students and 16,000+ institutions in 150+ countries for plagiarism detection, AI writing detection, and formative feedback. Checks submissions against 1+ billion web pages, journals, and student papers.
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POST
/api/v1/submissionsSubmit a paper for similarity checking
Parameters
filepaper content (filerequiredtitlepaper title (stringrequiredsubmitter_idstudent ID (stringrequiredReturns
submission{id, status, title, created_at, owner, submitter}GET
/api/v1/submissions/{id}/similarityGet similarity report for a submission
Parameters
idsubmission ID (stringrequiredReturns
similarity{overall_match_percentage, internet_match, publications_match, student_match, top_matches[{source, match_percentage, url}]}GET
/api/v1/submissions/{id}Get submission details and status
Parameters
idstringrequiredReturns
submission{id, title, status, created_at, word_count, page_count, owner, similarity_status}