About this episode
<p><a href="https://twitter.com/harryzhang">Harry Zhang</a> is the cofounder of <a href="https://lob.com">Lob</a>. Lob makes it possible for enterprises to programmatically send physical mail. They were in the Summer 2013 batch of YC.<br><br><a href="https://twitter.com/ilikevests">Kevin Hale</a> is a Partner at YC.<br><br>Harry is on Twitter <a href="https://twitter.com/harryzhang">@harryzhang</a> and Kevin is <a href="https://twitter.com/ilikevests">@ilikevests</a>.<br><br>The YC podcast is hosted by <a href="https://twitter.com/craigcannon">Craig Cannon</a>.<br><br>***<br><br><b>Topics</b><br><br>00:00 - Intro<br><br>00:31 - Harry's intro<br><br>00:41 - What did Lob have when they applied to YC?<br><br>2:01 - Documentation as an API company<br><br>3:16 - Where did the insight to create Lob come from?<br><br>4:26 - Lob's first version and first customer<br><br>7:26 - Closing their first big customer then signing others<br><br>12:31 - Did Harry always know Lob would be an API company?<br><br>14:01 - How long did it take to work up to enterprise customers?<br><br>15:31 - Pricing<br><br>19:46 - Creating a product roadmap<br><br>21:26 - Tradeoffs when building product<br><br>22:21 - Competing for top engineers as an API company<br><br>24:31 - Options vs RSUs<br><br>28:01 - Sales mistakes<br><br>32:21 - Building out features for enterprise clients<br><br>34:16 - Why did Lob choose to not vertically integrate?<br><br>39:31 - How has Harry had to change as a founder over the life of Lob?<br></p>
Listen to this episode in English to learn English
Podcast episodes are one of the highest-density ways to absorb English at native pace. #123 - Harry Zhang and Kevin Hale from Y Combinator Startup Podcast gives you natural dialogue, unscripted speech, and vocabulary that actually appears in real conversations.
In the Hinto app, every word in the transcript is tappable. Tap an unknown word, see the translation in your language instantly, and keep listening without breaking flow.
Episodes to Learn English
- Blake Scholl: Breaking the Supersonic Ban Jul 29, 2026
- Sam Altman: "Never a Better Time to Do a Startup" Jul 28, 2026
- Boris Cherny: Building Claude Code Jul 28, 2026
- Jensen Huang: The Mindset That Built NVIDIA Jul 27, 2026
- World Models, Explained Jul 17, 2026
- How To Better Understand Your Users Jul 9, 2026
- Why Domain Experts Are Winning In The Age Of AI Jun 19, 2026
- How To Pick A Startup Idea Jun 17, 2026
- "The CEO Must Be the Chief AI Officer" Jun 10, 2026
- How to Build an AI-Native Services Company Jun 3, 2026
- How To Build Superintelligence Inside Your Company May 27, 2026
- How The Best Companies Defend Against Mediocrity And Rot May 25, 2026
- Paul Graham: Should you move to Silicon Valley? May 13, 2026
- Tokenmaxxing: How Top Builders Use AI To Do The Work Of 400 Engineers May 8, 2026
- Beyond Bigger Models: Recursion As The Next Scaling Law In AI May 1, 2026
- How to Build the Future: Demis Hassabis Apr 29, 2026
- The $9B Startup That Wants to Create a Billion New Developers Apr 25, 2026
- The Playbook For Building An AI Native Company Apr 24, 2026
- Stripe Head of Design Katie Dill Breaks Down Their New Website Apr 22, 2026
- The GPT Moment for Robotics Is Here Apr 16, 2026
- This Startup Wants To Catch Cancer Before It Spreads Apr 6, 2026
- This Startup Secretly Detects Fraud For Fortune 500s Mar 31, 2026
- How François Chollet Is Building A New Path To AGI Mar 27, 2026
- Inside The Startup Reinventing America’s Trillion Dollar Chemical Industry Mar 20, 2026
- Building A Global AI Startup From India Mar 16, 2026
- The Future Of Brain-Computer Interfaces with Science's Max Hodak Mar 9, 2026
- How To Avoid AI Design Slop Mar 6, 2026
- The Fastest Path To Super Intelligence Feb 27, 2026
- The AI Agent Economy Is Here Feb 21, 2026
- Inside Claude Code With Its Creator Boris Cherny Feb 17, 2026