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Global version of this answer US founders · primary market

What's a startup idea validation checklist? in the United States

Updated · by Vouch · USD pilot pricing

Short answer for US founders

A minimum validation checklist: (1) segment written in one sentence, (2) top 5 risky assumptions listed, (3) 10 behavior-anchored interviews completed, (4) evidence map showing which assumptions survived, (5) 2+ paid pilots signed, (6) written kill criteria you'll respect. Missing any of these means you have hope, not validation.

US buyers move fastest on paid pilots and expect a clear price on the first call, so validation here lives or dies on whether someone signs a deposit — not on how many people liked the idea.

Step-by-step

  1. 1
    Define the target segment (1 sentence)

    Not 'small businesses'. 'Solo interior designers in NYC billing $150K–$400K/yr who quote clients in Google Docs.' If a stranger can't recognise a match, the segment is too broad.

  2. 2
    List 5 risky assumptions

    Rank by cost-of-being-wrong, not novelty. The scariest assumption goes first.

  3. 3
    Book and run 10 discovery interviews

    Aim for 30 minutes. Ask about last-week behavior. Never demo.

  4. 4
    Score the evidence

    For each risky assumption, mark it confirmed, contradicted, or unknown after each call. Look for patterns, not single quotes.

  5. 5
    Close 2 paid pilots

    Money is the only signal that survives a founder's optimism. Two paid pilots at real prices = green light. One or zero = keep iterating on segment or offer.

  6. 6
    Write your kill criteria

    'If X isn't true by Y date, I stop.' Written, dated, shared with someone who'll hold you to it.

Where US founders find their first 10 interviews

  • Warm LinkedIn intros from your second-degree network — still the highest-converting channel for US B2B discovery calls.
  • Industry Slack and Discord communities (Pavilion, RevGenius, Operators Guild) where buyers self-identify by role.
  • Y Combinator, a16z and Techstars alumni networks for intros into portfolio companies.
  • Cold email to a named title at a named company — legal under CAN-SPAM with a working opt-out.
Local funding context: Y Combinator, Techstars and a16z all screen for evidence of demand before a first cheque, so a scored assumption list plus paid pilots is exactly the artefact that clears a US seed screen.

Typical paid-pilot deposit in this market: $500.

Frequently asked

How do I know if my idea is validated?

You have validation when (a) multiple people in the same segment described the same problem in the same words unprompted, and (b) at least two paid for a manual version. Anything less is interesting, not validated.

Can I validate a B2C idea with the same checklist?

Yes, but the paid pilot changes shape: pre-order deposits, paid waitlists, or a $9 concierge version work. The principle — real money before real code — is identical.

How much should a US paid pilot cost?

Price it so saying yes requires a real decision: $500–$5,000 for SMB, $10k+ for mid-market. A US buyer who won't approve a $500 deposit almost never approves a $50k annual contract later.

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