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I've done my best to summarize the advice I find impactful for applying to YC in the handbook, but there are many equally valuable resources out there. This is a compilation of some of them.

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✍️ Written Application

Sample Applications

• OpenPhone (S18)

• Paystack (W16)

• GitLab (W15)

• Standard Treasury (S13)

• Apptimize (S13)

• Mixpanel (S09)

• Dropbox (S07)

Other Advice

• How to Apply to Y Combinator (official)

• When is the right time to apply to Y Combinator?, Jared Friedman (YC Partner)

• Am I too early or too late to apply to YC?, Sam Altman (former YC President)

• Some thoughts on YC Applications, Dalton Caldwell (YC Partner)

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📹 Team Video

Sample Videos

• Higia (S18)

• Flinto (W18)

• WayUp (W15)

• Teespring (W13)

• Zenefits (W13)

• Pager Duty(S10)

• Optimizely (W10)

Other Advice

• Quora post, Paul Buchheit (YC Partner)

📚 Partner Interviews

Practice Resources

• iPG Simulator (alternative link)

• YC Battlecard

Other Advice

• Michael Seibel’s Top 10 pieces of advice for preparing a YC interview

• What's the best way to prepare for a YCombinator interview?, Paul Buchheit (YC Partner)

📓 General Advice

• Lessons from Thousands of Startups, with Michael Seibel (YC CEO)

• How to Apply and Succeed at Y Combinator, Dalton Caldwell (YC Partner)

• Does YC Fund Solo Founders? Jared Friedman (YC Partner)

• YC Application Advice From African Startups

• Advice for international founders