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Description
Lenz is a robust API designed for audit-level fact-checking of AI-generated content, aimed at teams that require verification of factual assertions prior to presentation to clients or customers. This tool analyzes various forms of text, such as drafts, memos, or model answers, identifying factual claims that can be substantiated by credible public sources and providing a detailed outcome for each assertion. Its operational framework is built upon four key API functions: extracting claims that can be verified, performing a rapid multi-model assessment of these claims in bulk, elevating ambiguous statements to a comprehensive verification process, and facilitating follow-up inquiries that are based on the verification findings. The complete verification process is structured into five distinct stages: defining the issue, conducting research, engaging in debate, undergoing a panel review, and reaching a conclusion. Lenz meticulously searches through public information, evaluating evidence based on factors like authority, relevance, and timeliness, while also employing models from various vendors to present arguments for both sides of a claim. Ultimately, it delivers a verdict, a confidence score, references to cited sources, and a trace of the reasoning that allows users to conduct their own audits, ensuring transparency and reliability. With Lenz, teams can enhance their decision-making processes by ensuring all claims are thoroughly vetted before they reach their audience.
Description
ProofWrite helps SEO and content teams produce stronger long-form content for guest posting, link building, digital PR, and client publishing workflows.
The platform is built for teams that need more than a basic AI text generator. ProofWrite supports a research-led writing process where articles are developed from source material, factual claims are checked, citations are added, and the final draft is reviewed for editorial quality.
For link builders and guest post providers, ProofWrite can create content around a target keyword, client URL, or anchor text while keeping the link placement natural and relevant to the article. For agencies, it helps standardize content production across multiple clients and campaigns without relying on thin, generic AI copy.
ProofWrite is especially useful for SEO agencies, outreach teams, content marketers, and operators who need credible, publishable content at scale.
API Access
Has API
API Access
Has API
Integrations
ChatGPT
Claude
Claude Code
Cursor
Model Context Protocol (MCP)
WhatsApp
WordPress
Zapier
n8n
Integrations
ChatGPT
Claude
Claude Code
Cursor
Model Context Protocol (MCP)
WhatsApp
WordPress
Zapier
n8n
Pricing Details
$7.99 per month
Free Trial
Free Version
Pricing Details
$49/month
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
Lenz
Founded
2026
Country
Bulgaria
Website
lenz.io
Vendor Details
Company Name
Finnzon
Founded
2017
Country
Finland
Website
proofwrite.io