Back to Periscope
Start here
  • What is Periscope
  • Verify a document
How Periscope checks a document
  • The checks it runs
  • Reading your result
  • Why a document might not verify
  • What Periscope doesn't check yet
Good to know
  • Supported document types
  • Files and limits
  • Your data and privacy
  • Why the first check can be slow

Help

What Periscope is, how to verify a document, and how to read a result. Pick a topic to start.

Start here

  • What is PeriscopeA verification layer for the documents your tools already accept.
  • Verify a documentHow to run a check, step by step.

How Periscope checks a document

  • The checks it runsThe three levels every document goes through.
  • Reading your resultThe verdict, the scores, and the field marks.
  • Why a document might not verifyCommon reasons, and what to try.
  • What Periscope doesn't check yetThe current scope, stated plainly.

Good to know

  • Supported document typesThe document categories Periscope can verify.
  • Files and limitsAccepted formats and practical limits.
  • Your data and privacyHow your documents and history are handled.
  • Why the first check can be slowThe model wakes from idle on the first check.
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