REST API

Content Plagiarism Checker API

Detect plagiarism instantly. Submit text and get similarity scores with matched sources from the web and academic databases.

Get API Access — $15/moLearn More
Web Sources
Billions of pages
Academic DBs
Journals & papers
Response
< 2 seconds

Simple Pricing

Pro
$15
/month
  • ✓ 1,000 checks/month
  • ✓ Web + academic database search
  • ✓ Similarity score & matched sources
  • ✓ JSON REST API
  • ✓ API key authentication
  • ✓ Email support
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FAQ

How does the API work?
POST your text to /api/check. The API compares it against web sources and academic databases using similarity algorithms and returns a score plus matched sources.
What databases are checked?
We search billions of web pages and academic journals including preprints and published papers to give comprehensive coverage.
Is there a free trial?
New accounts get 10 free checks to evaluate the API before subscribing.