How do you validate a startup idea before building it?

To validate a startup idea before building it, founders and creators recommend a progression from identifying a "pain point" to securing actual financial commitment. The consensus is to avoid building a full product until you have verified that customers are willing to pay for a solution.

1. Problem and Audience Validation

Before creating a landing page, you must validate the problem itself.
* Fall in Love with the Problem: Uri Levine (co-founder of Waze) emphasizes that you should "fall in love with the problem, not the solution." He suggests validating the problem by speaking with people to understand their perception of it before even thinking about a solution Lenny's Podcast — A founder’s guide to crisis management @ 1:04:18.
* Community-First Approach: Greg Isenberg recommends starting by building a social account or audience to understand the messaging and community needs first. This allows you to iterate on the value proposition using organic traffic before writing any code Greg Isenberg — How agencies are printing $1M/Month... @ 27:31.

2. Low-Fidelity Testing (The "Fake" Landing Page)

Multiple creators advocate for using a landing page to test demand.
* The SEO/Keyword Test: One founder shared on Starter Story how he used SEO tools to find keywords with search volume but low difficulty, then built a landing page around that specific keyword to get indexed by Google within 24 hours Starter Story — We built $10K/mo saas @ 03:04.
* Fake Demos: You can create a "completely fake demo" using tools like AI voice generators or simple videos to show how the product would work, then place a "Book Demo" or "Sign Up" button to gauge interest Starter Story — We built $10K/mo saas @ 00:00.
* Waitlists and Funnels: Brett Malinowski suggests creating a landing page with a waitlist and driving traffic through $50 Facebook ads or organic social content to see if people will give you their email addresses Brett Malinowski — Start A SaaS in 5 Simple Steps @ 03:02.

3. High-Fidelity Validation (Prototypes & Pre-Sales)

The "gold standard" of validation is a financial transaction.
* The Deposit Framework: Starter Story highlights a "deposit framework" where you ask potential customers for a 100% refundable deposit (e.g., $500) to get access to the product once it launches. This proves the customer has a real "willingness to pay" Starter Story — We built $10K/mo saas @ 03:04.
* The Kickstarter Model: Brett Malinowski advises mocking up a clickable wireframe in Figma, recording a Loom video walking through it as if it were real, and offering a "lifetime access" discount for those who pay before the app is released Brett Malinowski — Digital Dropshipping @ 06:08.
* Influencer Validation: Greg Isenberg notes that you can pay influencers to promote a waitlist for a product idea; if you can't get people to join the waitlist even with influencer traffic, the idea is likely not worth building Greg Isenberg — I can't believe he shared these $1M+/year startup ideas @ 09:36.

4. Strategic Early Adopters

For B2B or larger-scale startups, validation can come from strategic partnerships.
* Investor-Customers: Brett Malinowski highlights the strategy used by Beehiiv, which brought on "strategic investors" who were also their target customers (newsletter creators). These investors provided immediate feedback and became the first 100 users, validating the product as it was being built Brett Malinowski — How To Make $500,000 A Month In SAAS @ 36:34.

— Sources: 6 videos across 4 creators