Verify Any Claim. See the Evidence.
LaPruv shows you what the evidence says — not what to believe. 29 reasoning traps detected. 9-state verdict system. Full transparent evidence trail.
Try: "Drinking 8 glasses of water prevents kidney stones by 40%"
Trusted by journalists, researchers, and fact-checkers worldwide.
Watch a claim get verified
See exactly how LaPruv processes a claim through 8 pipeline stages.
Claim being verified
“Drinking 8 glasses of water daily prevents kidney stones by 40%”
PII Scan
Claim Analysis
Normalization
Evidence Retrieval
Governance
Trap Detection
Verdict Engine
Decision Card
Process
How it works
Submit your claim
Enter any factual claim in plain language. LaPruv classifies it into one of 6 types: factual, statistical, causal, temporal, comparative, or scientific.
Evidence retrieved
The system queries curated sources across 5 reliability tiers. Each source is scored for authority, methodology, independence, and freshness.
Reasoning traps checked
29 reasoning traps are evaluated against the evidence. From correlation-causation errors to citation cascades to survivorship bias. Nothing slips through.
Transparent verdict
You receive a 9-state verdict with a confidence score, full evidence trail, source credibility scores, and an immutable audit record.
Comparison
What makes LaPruv different
Other tools give you answers. LaPruv shows you the evidence and lets you decide.
| Feature | LaPruv | ChatGPT | Snopes | |
|---|---|---|---|---|
| Shows evidence sources | ||||
| Detects reasoning traps | ||||
| Source credibility scoring | ||||
| Immutable audit trail | ||||
| Confidence score with formula | ||||
| Handles conflicting evidence | ||||
| Never tells you what to believe |
Who uses LaPruv
3× faster
Investigative Journalists
Verify sources before publication. Catch citation cascades that make weak claims look like consensus.
29 traps auto-detected
Research Teams
Evaluate clinical claims and catch reasoning traps in meta-analyses.
34-field audit trail
Legal & Compliance
Every verification produces an immutable replay bundle that stands up in court.
10K+ claims/month
Enterprise Trust & Safety
Process thousands of claims at scale with API-first architecture and batch verification.
9 verdict types
Educators & Students
Teach critical thinking through structured reasoning frameworks.
Free tier available
Curious Minds
Stop forwarding misinformation. Verify any claim in seconds.
Verdict System
9 precise verdict states
Not just true or false. LaPruv captures the full spectrum of what evidence can tell us.
Supported
Evidence clearly supports the claim
Partially Supported
Core claim verified, specifics not fully verifiable
Refuted
Evidence directly contradicts the claim
Mixed Evidence
Credible sources disagree, no clear resolution
Conflicting Evidence
Independent high-quality sources directly contradict
Insufficient Evidence
Not enough reliable evidence available
Not Verifiable
Input is opinion, question, or non-falsifiable
Escalated to Review
Automated resolution unsafe, routed to human reviewer
System Error
Infrastructure error prevented verification
Evidence Quality
5-tier source hierarchy
Every source is graded. Higher-tier sources carry more weight in the confidence formula.
Peer-reviewed studies, government records, census data
Government reports, university studies, institutional white papers
Established news organizations, fact-checkers, expert commentary
Blog posts, op-eds, general news without named sourcing
Anonymous content, social media, forums — excluded from scoring
“Drinking 8 glasses of water prevents kidney stones by 40%”
“The Great Wall of China is visible from space”
“Coffee consumption reduces risk of Type 2 diabetes”
“5G towers cause respiratory illness”
“Reading physical books improves memory more than e-books”
“Global average temperatures rose 1.1°C since pre-industrial era”
“Vitamin C cures the common cold”
“Mozart's music makes babies smarter”
“Drinking 8 glasses of water prevents kidney stones by 40%”
“The Great Wall of China is visible from space”
“Coffee consumption reduces risk of Type 2 diabetes”
“5G towers cause respiratory illness”
“Reading physical books improves memory more than e-books”
“Global average temperatures rose 1.1°C since pre-industrial era”
“Vitamin C cures the common cold”
“Mozart's music makes babies smarter”
Security
Built for trust
PII Protection
Personal data is scrubbed before processing. Raw PII never touches persistent storage.
GDPR & CCPA Compliant
Right to erasure supported. Privacy redaction built into the governance layer.
Immutable Audit Trail
Every verification produces a 34-field Replay Bundle. Results cannot be altered after the fact.
Encrypted at Rest
All data encrypted with AES-256. Evidence stored in content-addressable storage.
TLS 1.3 Everywhere
All traffic encrypted in transit. HTTPS enforced. No exceptions.
AWS Infrastructure
Hosted on AWS with VPC isolation, WAF protection, and multi-AZ redundancy.
Pricing
Simple, transparent pricing
Start free. Upgrade when you need more.
Free
10 verifications / month
- Basic verification
- Standard source tiers
- Decision Card results
- Email support
Pro
100 verifications / month
- Full verification pipeline
- All 5 source tiers
- Verification history
- Evidence deep-dive
- Export results
- Priority support
Team
500 verifications / month
- Everything in Pro
- Team accounts (5 seats)
- API access
- Batch verification
- Custom policy profiles
- Dedicated support
Need more? Enterprise plans available with custom limits, SLA, and dedicated support.