The full vault
YC Founder Intelligence: every YC database in one place
46 source-linked databases and reports on how YC founders picked ideas, got accepted or rejected, won their first customers, raised money, pivoted and survived. Open any one for a free preview.
Deep Reports
- Learn Where Indian VCs Invest—and Find Your Best Match15 major Indian VCs decoded. 300+ verified portfolio companies. One report.Indian VC Decoder — Fundraising Intelligence Report
- Learn How YC Unicorns Survived the Years to $1B20 YC Unicorns. The Series A to $1B Years.YC Unicorns — The Untold Middle
- Spot the Warning Signs That Kill Former UnicornsYC Companies That Hit $500M+ Then Collapsed.YC Dead Unicorns Autopsy Report
- Understand When an Acqui-hire Is a Good Outcome50 YC Companies Acquired For Their Team.YC Acqui-hire Intelligence Files
- See the Milestones That Took YC Startups to IPOEvery YC IPO. Batch Day to Bell.YC IPO Complete Files
- Learn How YC Founders Closed Their Funding Rounds50 YC Companies. Real Numbers. Real Stories.YC Fundraising Intelligence Report
- See When YC Actually Improves Startup Outcomes50 Matched Pairs. The Honest Comparison.YC vs Non-YC Outcomes Report
- Find Which YC Batches Produced the Most UnicornsWhich Batches Produced The Most Unicorns. Why.YC Batch vs Batch Analysis 2010–2024
- See How Solo YC Founders Replace a CofounderEvery Solo Founder In YC History.The YC Solo Founder Complete Report
- Learn What Second-Time Founders Do Differently40 Founders On Their Second Company.The YC Second-Time Founder Report
Playbooks
- Launch on Product Hunt and Turn Attention Into CustomersThe Product Hunt playbook for early-stage startups, calibrated to the 2026 algorithm.Launch Like a YC Founder — Product Hunt Playbook
- Find the Startup Ideas YC Wants Funded in 202615 YC RFS categories. 15 complete founder playbooks.RFS Playbook 2026
- Get Your First 1,000 B2B SaaS Customers50 YC B2B Companies. Week By Week.First 1000 Customers — B2B SaaS Edition
- Get Your First 1,000 Consumer App Users50 YC Consumer Companies. The Tipping Point.First 1000 Customers — Consumer Edition
- Recognize Product-Market Fit in Fintech30 YC Fintech Founders. The PMF Metric.The PMF Playbook — Fintech Edition
- Reach $1M ARR Without Paid Ads40 YC B2B Companies. $1M ARR. Zero Ad Spend.The $0 Marketing Playbook — B2B Edition
- Grow a Consumer Startup Without Paid Ads40 YC Consumer Companies That Went Viral Free.The $0 Marketing Playbook — Consumer Edition
- Learn When an AI Pivot Works—and When It Fails50 Companies That Pivoted Into or Away From AI.The Great Pivot — AI Edition
Core Databases
- Learn Why Rejected Startups Failed—or Broke ThroughYC alumni who got rejected, pivoted, or nearly died — and built generational outcomes.Rejection Database
- Learn How Solo Founders Got Into YC and Succeeded20+ verified YC solo founders. Every case study. One bundle.YC Solo Founder Database
- See When and Why Successful YC Startups Pivoted500+ YC Companies. One Pivot. One Spreadsheet.YC Master Pivot Database
- Learn Why 300+ YC Startups Shut Down300+ YC Companies That Died. Here's Exactly Why.YC Graveyard
- Find the Channels That Won Their First 1,000 CustomersHow 300+ YC Companies Got Their First 1000 Customers.YC First 1000 Customers Database
- Compare YC Application Ideas With What Companies BecameWhat They Applied With vs What They Became.YC Idea Evolution Database
- See What YC Founders Did Before Starting UpWhat 500 YC Founders Did 12 Months Before Founding.YC Founder Origin Database
Batch Packs
- Discover the Strongest Ideas and Teams in YC W25Every W25 Company. Every Founder. One Pack.YC W25 Batch Intelligence Pack
- See Which YC S24 Startups Gained TractionThe S24 Batch. Fully Decoded.YC S24 Batch Intelligence Pack
- Learn What Happened to YC W24 StartupsW24 With Full Hindsight.YC W24 Batch Intelligence Pack
Vertical Packs
- Learn What Works in YC Fintech StartupsEvery YC Fintech Company. One Pack.YC Fintech Founder Pack
- See Which YC AI Startups Won After ChatGPTEvery YC AI Company. Pre and Post ChatGPT.YC AI Founder Pack
- Learn How YC SaaS Startups Reach Product-Market Fit300 YC B2B SaaS Companies. The GTM Playbook.YC SaaS Founder Pack
- Learn How YC Consumer Apps Grow and Retain Users150 YC Consumer Apps. Viral, Retention, Monetization.YC Consumer App Founder Pack
- Learn How Indian Founders Navigate YC and FundraisingEvery Indian Founder In YC History.YC India Founder Pack
- Learn How YC Health Startups Win Hospitals and Approval100 YC Health Companies. FDA, Hospitals, GTM.YC Healthtech Founder Pack
- See What Makes YC Edtech Startups SurviveYC Edtech: Before, During, and After COVID.YC Edtech Founder Pack
Founder Files
- Prevent Founder Burnout Before It Breaks the Company40 Founder Mental Health Stories.The Burnout Files
- Handle a Cofounder Split Without Losing the Company30 Documented YC Co-founder Splits.The Co-founder Breakup Files
- Learn How YC Founders Survived Their Lowest Point35 YC Founders On Their Lowest Moment.The Almost Quit Files
- Protect Your Relationship While Building a Startup25 YC Founders On Relationships Under Pressure.The Founder Marriage Files
Annual Reports
- See Which YC 2024 Bets Worked—and Which FailedThe Annual Report YC Never Publishes.State of YC 2024 — Complete Report
- Learn From YC’s 2023 Winners and Misses2023 With The Hindsight 2024 Provides.State of YC 2023 — Complete Report
- Learn What Worked for Indian YC Founders in 2024Built Specifically For Indian Founders.YC India Annual Report 2024
Master Playbooks
- Grow From Zero to Your First $1M in RevenueFirst 1000 + PMF + First $1M ARR. One Doc.The Complete YC Growth Playbook
- Raise From Seed to Series A With Proven YC LessonsSeed to Series A. Real Founder Stories.The Complete YC Fundraising Playbook
- Survive Burnout, Cofounder Conflict, and Runway CrisesBurnout + Co-founder + Runway + Almost Quit.The YC Founder Survival Kit
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Questions
What is YC Founder Intelligence?
A source-linked library of 46 databases and reports on how Y Combinator companies chose ideas, applied, found customers, raised money, pivoted and survived.
Can I see the databases before paying?
Yes. Every database has a free preview page with sample records and sources, and there is a free vault sample with no sign-in.
Is this affiliated with Y Combinator?
No. YC Insight is an independent resource built from public sources, each linked in the records.
An independent resource · Not affiliated with Y Combinator