Make $10K/month with zero effort.
Don't fall for it.
Pressure-test your business idea in 10 minutes against the same questions investors and experienced founders would ask — before you bet a year of your life on the wrong thing.
See the methodology- €20 per validation
- Full report in ~15 minutes
- Refundable within 14 days if unused
An online course can't tell you if your idea actually works.
Creators don't show their 47 failures — only the rare wins.
Most ideas die quietly because no one pressure-tested them first.
The problem isn't ideas. It's believing them too quickly.
Three patterns that show up over and over before founders ever write a line of code.
ValentProof is a tool, not a course.
Honest about what this is — and isn't. So you know exactly what you're paying for before you click.
A course
A one-time structured report
A subscription
Pay once, use whenever
A directory of business ideas
Pressure-tests your idea
Another guru's framework
A scoring rubric, applied the same way every time
3D printed design lamps
SampleThe idea may be worth exploring, but the current version is too broad; narrow the customer, style, and economics before scaling.
Sample warnings
See a real validation report — before you pay.
Same questions, same scoring rubric, same sections you'll get for your idea. Read it end-to-end so you know exactly what you're buying.
Includes 4 scores, named warnings, key assumptions, validation tests, and next steps.
Martin Tarhanič
Founder · ValentProof
Built by a founder, not a content business.
Hi — I'm Martin. I built ValentProof because I've watched too many smart people waste a year on something nobody wanted.
It's the tool I wish I'd had ten years ago: a structured second opinion, not a course, not a guru, not a pep talk.
Read why I built thisIs ValentProof for you?
Quick check — here's who we built it for, what you walk away with, and why it's worth ten minutes of your time.
Who it's for
Founders & small teams
Pre-launch founders, indie hackers, and small teams stress-testing a business idea before committing serious time or money.
What you get
A 4-dimensional report
Detailed scores, named warnings, key assumptions, validation tests, and concrete next steps — for every idea.
Why it matters
Save months of wasted effort
Spot fatal flaws before they cost you. Turn vague ideas into testable bets. Decide with evidence instead of optimism.
What's next
Validate in 10 minutes
Type your idea, answer 15 quick questions, get your report — then run the cheapest test against your riskiest assumption.