How to Validate Your SaaS Idea Before Writing a Single Line of Code

By SaaS Strategy Team August 28, 2025 3 min read Updated 9 hours ago

Every successful SaaS started with an idea, but not every idea can be a successful SaaS. The crucial difference is validation—the process of proving that people will actually pay for your solution. Here’s how to do it before you invest heavily in development.

Step 1: Define the Problem and Customer

Get incredibly specific. Who are you building this for? What painful problem do they have?

  • Bad: "I'm building a project management tool for everyone."
  • Good: "I'm building a project management tool for freelance graphic designers who struggle to get client feedback on time."

If you can't name the customer and their specific pain point, you don't have a validated idea yet.

Step 2: Create a Simple Landing Page

This is your validation hub. You don't need a full website. Just a single page with:

  • A Killer Headline: Clearly state the benefit. (e.g., "Stop Chasing Clients for Feedback. Get Design Approvals in Half the Time.")
  • 3-5 Bullet Points: Explain the key features or benefits.
  • A Clear Call-to-Action (CTA): This is the most important part. Ask for a small commitment, like signing up for a private beta or an early-adopter discount.
  • A Simple Email Form: To capture interest.

Use a simple builder like Carrd or Webflow. This shouldn't take more than a day.

Step 3: Talk to Potential Customers

This is the step most founders skip. Find 10-15 people who match your ideal customer profile. You can find them in online communities, on LinkedIn, or through your personal network.

  • Don't pitch them. Ask them about their workflow and the problem you think you're solving.
  • Listen 80% of the time. Do they actually see it as a problem? How are they solving it now? What are the magic words they use to describe their pain?
  • At the end, show them your landing page and ask, "Is this something you would consider paying for?"

Step 4: Drive a Small Amount of Traffic

Now it's time to test your landing page. You don't need a huge budget. Try one of these methods:

  • Post in relevant communities: Share your landing page where your target users hang out. Be transparent that you're testing an idea.
  • Run a small ad campaign: Spend $50-$100 on targeted ads (like on Reddit or LinkedIn) to see if you can get clicks and signups.

Step 5: Analyze the Results

Look at the numbers. Out of 100 visitors to your landing page, how many signed up? A conversion rate of 5-10% is a strong signal that you're onto something. If your rate is below 1-2%, your value proposition might not be strong enough. Combine this data with the feedback from your user interviews to decide if you should proceed, pivot, or scrap the idea.

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About the author

SaaS Strategy Team writes about calm, steady growth for indie products. BuildVoyage highlights real products, their stacks, and milestones to help makers learn from each other.