# HypeCheck ## About HypeCheck is an open-source AI startup idea validator by NullHype AI. Builders describe a rough startup idea in plain language and receive a structured validation report with a Hype Score, competitor landscape, market sizing, execution risks, monetization viability, demand signals, and a build-or-don't-build verdict. HypeCheck is built for indie hackers, developers, product builders, and small teams who want to stress-test an idea before spending weeks building the wrong thing. ## Website - Homepage: https://hypecheck.nullhype.tech - Start a report: https://hypecheck.nullhype.tech/check - Privacy policy: https://hypecheck.nullhype.tech/privacy - Terms of service: https://hypecheck.nullhype.tech/terms - GitHub: https://github.com/nullhypeai/hypecheck - Product Hunt: https://www.producthunt.com/posts/hypecheck - X: https://x.com/nullhypeai ## Services and Pricing - Free tier: 3 reports per account - Single report credit: $5 one-time purchase - 10 report credit pack: $8.99 one-time purchase - No subscriptions - No recurring charges - Purchased credits do not expire ## What a Report Includes - Hype Score from 0 to 100 - Build-or-don't-build verdict - Market opportunity and market sizing - Competitive landscape - Execution risk analysis - Monetization viability - Demand signals - Recommended next step - Public shareable report URL ## Technology HypeCheck is an open-source SaaS built with Next.js, Supabase, Claude Sonnet 4.6 by default, Dodo Payments, and Vercel. The Claude model can be overridden with `ANTHROPIC_MODEL`. It includes authentication, report generation, one-time credit payments, report history, legal pages, and public report sharing. ## Markdown Mirrors Clean AI-readable markdown mirrors are available here: - https://hypecheck.nullhype.tech/index.md - https://hypecheck.nullhype.tech/product.md ## Frequently Asked Questions ### What is HypeCheck? HypeCheck is an AI startup idea validator that turns a rough idea into a structured report covering market opportunity, competitors, risks, monetization, demand, and a build-or-don't-build verdict. ### Who is HypeCheck for? HypeCheck is for indie hackers, developers, product managers, founders, and builders who want a fast reality check before committing time to a startup idea. ### How much does HypeCheck cost? Each account gets 3 free reports. After that, a single report credit costs $5, and a 10 report credit pack costs $8.99. Payments are one-time purchases. ### Does HypeCheck require a subscription? No. HypeCheck uses one-time report credits. There are no subscriptions or recurring charges. ### Is HypeCheck open source? Yes. The public repository is available at https://github.com/nullhypeai/hypecheck. ### Does HypeCheck replace customer discovery? No. HypeCheck is designed to catch weak assumptions early. It does not replace customer interviews, landing page tests, or real market validation. ### Can reports be shared? Yes. Each report can have a public shareable URL that builders can send to co-founders, friends, investors, or followers. ## Contact - Maker/brand: NullHype AI - X: https://x.com/nullhypeai - GitHub: https://github.com/nullhypeai/hypecheck