Plagiarism Checker API: Check Text for Plagiarism
Muhammet Akkurt
Plagiarism Checker
Check any text for plagiarism through an API: send text or a document and get an overall plagiarism score plus every matching phrase with the source URL, page title and similarity score, as JSON you can use in your own app, LMS or content workflow.
Input
Output fields
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The Plagiarism Checker Actor is ready to run with the inputs already set for "Plagiarism Checker API: Check Text for Plagiarism". Sign up or log in and you'll land in Apify Console with a copy of this exact task.
Start the "Plagiarism Checker API: Check Text for Plagiarism" task
The Plagiarism Checker Actor will start running based on the input automatically. You can also change all the input fields, like text to check, to match your specific use case.
Receive the "Plagiarism Checker API: Check Text for Plagiarism" output
Monitor the progress in real time. You will be notified as soon as your dataset is complete and ready for review. Each result includes data such as document score (%), original phrase, source title, and more.
Integrate into your workflow
The final output is delivered in JSON, CSV, or Excel format, ready to be plugged into your workflow. You can also run the "Plagiarism Checker API: Check Text for Plagiarism" task via API.

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Yes. This task works as a plagiarism checker API: send text through the Apify API and get a plagiarism score with every matching phrase and source as JSON.
Use the apify-client library to run this task with your text as textContent, then read the dataset: one result with the document score and all matches.
An overall document score, then each checked phrase with its matching sources: URL, page title, similarity score and the matched sentence from that page.
There is no need to split text yourself: anything longer than 12,000 characters is processed automatically in chunks within the same run.
Yes. Run the task once per document from your own script or a workflow tool such as Make, Zapier or n8n, and collect every score in one place.