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Retrieve the follow-up conversation, how many questions were used and whether another can be asked

Delete the follow-up conversation stored for a verification

Ask a grounded follow-up question about a completed Verify (Deep) result

Fast 3-model panel verdict (~15s), one entry per claim found in the text

Pull verifiable claims out of text, or out of a public web page given its URL. Free, capped at 1000 calls per account per day, shared across your API keys (resets 00:00 UTC).

Multi-model pipeline with sourced citations (~90s). Reserve for high-stakes claims.

Check whether each cited source says what the text says it does: the links and DOIs in a text, or statement-source pairs you list. 1 credit per citation checked.

Retrieve a citation check by its ID

Retrieve a review by its ID

Review a whole draft: find its claims, quick-check them, deep-check the doubtful ones and optionally check its citations

Permanently delete a stored verification

Retrieve a stored verification report by its ID

Retrieve the verifications stored in your Lenz account

Poll a submitted verification task by its task ID

Retrieve public verifications semantically related to a given one

Resolve a needs-input interrupt by picking which offered claims to verify

Submit up to 20 claims for deep verification at once, without waiting