Integrations
Add fact-checking to any workflow.
Lenz connects to the workflow tools your team already uses. Wire a verification step into any automated process — no API code required. The result comes back structured: a verdict, a score, and citations your workflow can act on automatically.
n8n
Open-source workflow automation with 400+ nodes. The Lenz node adds a fact-check step to any n8n workflow — no custom HTTP configuration, just your API key.
What you can do
- → Pull every factual claim out of an AI-generated document before it publishes.
- → Gate a publish or send step on the verdict — pass clean content, flag the rest.
- → Route False or Mostly False verdicts to a Slack alert or human review queue.
- → Run a nightly batch check on recently published AI content and log results to a sheet.
What the node returns
Every Lenz node call returns structured output your workflow can branch on:
- verdict True · Mostly True · Mixed · Mostly False · False
- lenz_score Integer 1–10. Branch on a threshold.
- citations The sources behind the verdict, graded for authority.
- reasoning The full trace — what each model found and why.
Free tier included. The same API key works across every integration — one signup, no separate credentials.
Using an AI assistant?
- Lenz is also a remote MCP server. Connect it to Claude Desktop, Claude Code, Cursor, or ChatGPT and fact-check a claim directly inside the chat — no workflow builder needed.
- MCP server setup guide →
Building a direct integration?
- Lenz is a REST API with typed Python and TypeScript SDKs. Four primitives — extract, assess, verify, ask — cover everything from bulk triage to high-fidelity verification with a full audit trail.
- Developer docs →
Resources
Add fact-checking to any workflow.
Self-serve from day one. Free tier, no card required.