Companies / Lenz / Subprocessors
Lenz provides verification infrastructure that checks factual claims in AI-written text against independent public sources and flags uncertain claims. It serves teams and businesses that need to fact-check AI-drafted text before customers or clients read it.
Summarized from its homepage on 12 Nov 2026.
Subprocessors of Lenz
Lenz declares 23 subprocessors, including AI providers Anthropic, Google Gemini, OpenAI, Perplexity, xAI.
| Subprocessor | Purpose |
|---|---|
| Claim analysis | |
| CourtListener (Free Law Project) | Checking that a case cited in a checked draft exists, and reading its opinion |
| Crossref | Looking up the registry record of a DOI cited in a checked draft |
| Notifications to the Lenz team | |
| Web search and reading web pages | |
| Web search and reading web pages | |
| Claim analysis | |
| Hosting, database, file storage, task queues, caching, logs | |
| Customer support and account management | |
| International DOI Foundation (doi.org) | Checking that a DOI cited in a checked draft is registered |
13 more subprocessors
See the full list with purpose, location and first seen date.
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Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.
See Lenz's full stack
Every vendor with its source and date, and an alert when Lenz adds or drops one. The same lookup works for any company.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call