The Problem
I've been freelancing for a while.
I used to spot a bad website, redesign it in Figma or even code a full improvement, and send it to the client hoping they'd be interested in working with me.
90% of the time: no reply. No feedback. Silence.
I didn’t want to stop making proactive offers — but I had to stop guessing if someone actually saw my proposal or cared.
The Idea
I wanted a simple way to know:
- Did the client open my offer?
- Were they interested?
- Would they give feedback or approve the proposal?
That’s how ValidationFlow was born.
It lets you create a unique link to validate any idea, freelance offer, or SaaS concept — and track what happens next.
You’ll see if the person opened it, gave a thumbs up/down, or left a comment. It’s like a super lightweight landing page builder... without the building part.
The Stack
I built it with:
- Next.js (App Router + TypeScript)
- Tailwind CSS
- Django (API + Data Layer)
- PostgreSQL
- Docker for deployment
- Hostinger for hosting
- Google Search Console + Bing Webmaster Tools for SEO
I used next-sitemap for automatic sitemap generation and added metadata on all pages for search engines.
The Results
I decided to eat my own dog food.
I had 10 SaaS ideas lying around.
I created a validation link for each one.
In 7 days:
- 2 ideas were validated (people wanted them)
- I collected 173 emails from people who asked to be notified when it’s ready
Not opinions. Not guesses. Real interest.
Want to try it?
You can create a free validation link in less than a minute.
Final Thoughts
If you're a freelancer, indie hacker, or someone who’s tired of launching things to crickets…
Give validation-first building a try. It saved me time, gave me clarity, and helped me focus on what matters.
Would love to hear your feedback or improvements 🙌
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