Toni Lopez (@tonilopezmr) / X

Toni Lopez

6,213 posts

Toni Lopez

@tonilopezmr

Karumi (YC F25) tonilopezmr.com

San Francisco, CA

Joined December 2011

Pinned
Toni Lopez
@tonilopezmr
Oct 6, 2025
I got accepted into Y Combinator One month ago, I quit my job and lost my U.S. visa to build a big company. I was unemployed and without a home. So I started knocking on doors. Then something unexpected happened. While I was telling friends in San Francisco that I wanted to
277K
Toni Lopez
@tonilopezmr
Oct 21, 2025
After the dinner with @sama and @garrytan, back to work 🫡
1.3M
Toni Lopez
@tonilopezmr
Nov 8, 2025
Friday night after YC dinner with @garrytan talking about fundraising. no time to lose
00:00
794K
Toni Lopez
@tonilopezmr
Oct 15, 2025
🤫 we’re hiring one person, the only requirement is to work hard and be smart. AI experience is a must. apply now, before our launch, you'll have less competition, still on time of living YC experience 🤫 only apply if it’s 3 AM, you’re building your AI product, and you still
21K
Toni Lopez
@tonilopezmr
Nov 11, 2025
You have to apply to YC. We applied without thinking we were going to get in, and here we are. Just do it.
Y Combinator
@ycombinator
Nov 10, 2025
Karumi (@karumihq) is an AI demo agent that makes product demos scalable — it talks, clicks, and personalizes every walkthrough, 24/7.
00:00
45K
Toni Lopez
@tonilopezmr
Oct 7, 2025
I can't believe it 🥲, next steps: 1. Show @paulg what we’re building 2. Make him want to be part of it 3. Receive my O1 Visa Let’s make something legendary.
Toni Lopez
@tonilopezmr
Oct 6, 2025
I got accepted into Y Combinator One month ago, I quit my job and lost my U.S. visa to build a big company. I was unemployed and without a home. So I started knocking on doors. Then something unexpected happened. While I was telling friends in San Francisco that I wanted to
29K
Toni Lopez
@tonilopezmr
Oct 23, 2025
Yesterday, I failed miserably. Today I wanted to do the launch of my startup and we couldn’t, after many hours of work, there are no excuses. Back to works 🫡
00:00
6.4K
Toni Lopez
@tonilopezmr
Nov 16, 2025
Only in SF can you convince someone to come on a Saturday evening to grind this is the place
7.6K
Toni Lopez
@tonilopezmr
Nov 10, 2025
After all the "performative" work. This is what we've been building. Hit "Demo Now" on our page - watch AI handle a product demo start to finish.
Y Combinator
@ycombinator
Nov 10, 2025
Karumi (@karumihq) is an AI demo agent that makes product demos scalable — it talks, clicks, and personalizes every walkthrough, 24/7.
00:00
11K
Toni Lopez
@tonilopezmr
Oct 21, 2025
🙋 Are you going to kill my startup?
8.2K
Toni Lopez
@tonilopezmr
Nov 6, 2025
This is the reality of getting into YC. We started from nothing. 14 hours a day, 6 days a week. Revenue growing every week. Real customers paying for real value. You have no idea what’s coming.
Toni Lopez
@tonilopezmr
Oct 21, 2025
After the dinner with @sama and @garrytan, back to work 🫡
24K
Toni Lopez
@tonilopezmr
Oct 23, 2023
I need to hire a designer and I don't know where to start to look 👀
4.1K
Toni Lopez
@tonilopezmr
Jan 22, 2018
First day at @goKarumi, it's a pleasure to be part of this awesome team! 💪💪
Toni Lopez
@tonilopezmr
Nov 12, 2025
1,793 AI-powered demos in 24 hours with @karumihq platform. That's 23,309 hours of demo time since our Y Combinator launch yesterday, without human interaction. My calendar is now fully booked with high-intent prospects who already understand the product and want to talk
23K