Oct 21, 2025 · 37m · a16z
How Kong Was Born: APIs, Hustle, and the Future of AI Infrastructure
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gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
In this episode of The a16z Podcast, Kong CEO and co-founder Augusto Marietti speaks with Martin Casado about the decade-long journey of building Kong, from extreme early Silicon Valley survival and pivoting away from a failed marketplace model to establishing a leading API and AI infrastructure platform.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. How this is scored →
The host as informed peer 3.4 Guest teaching 4.3 Guest disagreement 1.2 The host pushing back 1.6
speaking balance: gold is the host, purple is the guest (3 minute bins)
Sharpest disagreement ▶ 6:41 Defending SF Survival Budget
Augusto pushes back against the host's disbelief regarding surviving in San Francisco on $1,000 per month, insisting it was possible through extreme frugality.
Hardest push from the host ▶ 6:41 Host Questions $1,000/Month ClaimMartin directly rejects Augusto's framing that three people could live in San Francisco on $1,000 a month, insisting it was flatly impossible even in 2010.
Biggest teaching moment ▶ 17:23 Marketplace Dynamics MasterclassAugusto reframes Martin's question about monetization by detailing the structural mechanics of marketplaces, contrasting Airbnb's distributed low-power supply with API power-law concentration.
The host holds their own ▶ 25:33 Control and Data Plane Architecture InsightMartin demonstrates deep domain expertise by pointing out that Kong pioneered the architectural separation of control plane and data plane at the API management layer.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | The host as informed peer | Guest teaching | Guest disagreement | The host pushing back | Why |
|---|---|---|---|---|---|---|
| Opening Highlights: The Seven-Year Struggle | 2 | 3 | 1 | 1 | Martin introduces Augusto and sets up the narrative of Kong's fast growth following seven years of struggle. Augusto explains the symbolic Founders Award given to recall their 2,555 days of hardship. | |
| Stealing the Email List and Securing YouTube Angels | 2 | 4 | 1 | 1 | Augusto recounts stealing a conference email list to pitch angel investors and negotiating their first check in Travis Kalanick's kitchen while locked in a bathroom to force counteroffers. | |
| Surviving in San Francisco on $1,000 a Month | 2 | 3 | 2 | 3 | Martin expresses disbelief at Augusto's claim that three co-founders lived on $1,000 per month total in San Francisco. Augusto defends the math by explaining their diet of tuna pasta, rice, and beans while sharing a single mattress. | |
| Pivoting to an API Marketplace and Raising $1.5M Seed | 3 | 5 | 1 | 1 | Augusto shares how a pivot in Hawaii led to their API marketplace and raising a $1.5M seed round from NEA, Index, Jeff Bezos, and Eric Schmidt. | |
| O-1 Visas, Sam Altman's Letter, and CRV Series A | 3 | 4 | 1 | 1 | Augusto explains obtaining O-1 visas with help from Sam Altman and securing a $6.5M Series A from CRV after investor Dev Khare inspected their extreme living conditions in the Acre House. | |
| The Failure of the Consumer API Marketplace Model | 4 | 6 | 2 | 2 | Martin asks whether monetization or graduation killed the API marketplace. Augusto educates on why developer API marketplaces fail compared to Airbnb due to power law distributions, lack of supply exclusivity, and quality control issues. | |
| a16z Series B Investment and the Model Car Story | 5 | 3 | 1 | 2 | Martin recounts leading the Series B investment at a16z after detecting organic developer love for Kong despite the company being weeks away from running out of cash. | |
| Enterprise API Infrastructure and the AI Convergence | 5 | 5 | 1 | 1 | Martin highlights Kong's pioneer work in separating the control plane and data plane at the API level. Augusto explains how autonomous AI agents shift internet consumption from graphical user interfaces to programmatic interfaces. | |
| The AI Gateway Layer and LLM Connectivity | 5 | 6 | 1 | 2 | Martin provides insights on developer workflows using Cursor, while Augusto draws a historical parallel showing how LLM connectivity will consolidate into gateway abstractions just as microservices did. |
Statements from this episode (22)
Kong co-founders arrived in the US with $600 and 90-day visas
“We had no money. We just take 600 bucks last left to go to a United flight and we had 90 days to just make it or break it.”
Kong grants 2,555 shares to top employee to mark early struggles
“Every year we do the Founders Award. The Founders Award is 2555 stock to the best employee of the company. Why that? It's 255 days of struggle. It's just symbolic. But to remember seven years of struggle every year is a retro.”
Augusto Marietti raised Kong's angel round two weeks before his visa expired
“Yeah, we raised two weeks before departure.”
Marietti: I took Stanford's signup list and pitched all 400 contacts overnight
“We steal the things with all the email and the registration. And we walk home with that. And that night till five AM, I writes all the 400 emails about, Hey, you need to know about Michelle.”
Kong raised its initial $51,000 from YouTube founding team members
“So we rounded up 17, 1717, and we got 51,000 check.”
Augusto Marietti wrote a top Quora post on surviving SF on $14,000
“You had the You had the Quora, like the top Quora post for living on like, 14,000 a year in San Francisco.”
Kong's three co-founders survived in San Francisco on $1,000 a month combined
“We did a thousand and, about a thousand and a hundred monthly promissory note that the company would give us, and we would have to live in three with a thousand dollars a month.”
Jeff Bezos and Eric Schmidt invested in Mashape's 2011 seed round
“And then we got a long tail, which was, like, Jeff Bezos and Eric Schmidt into the funds.”
Sam Altman wrote an O-1 visa recommendation letter for Augusto Marietti
“Actually, Sam Altman was one of the guys that wrote me a letter of recommendation when he was CEO of Loopt.”
Mashape raised its Series A with only $50,000 in gross volume
“For a marketplace, you need a million in gross volume. We were like at 50 K.”
Marketplaces require a long tail of low-power suppliers to succeed
“To a marketplace to work, you need to have a long tail of low power people. If you have concentrated in a few high power, marketplace doesn't work.”
Augusto Marietti realized API marketplace economics would not work even at scale
“I could never make the economics works, even if this thing would have scaled.”
Kong took a $2 million insider bridge loan during its 2015 pivot
“We open sourced in April 15. We had to take a bridge of two million to go another year because... We had to take an extension because we were out of gas”
Kong had under $1M ARR when a16z invested in its Series B
“When you invested, we were ARR less than a million. Less than a million of Yardar.”
Kong grew ARR from $2 million to $10 million post-Series B
“So that year we went from two million of ARR. To 10. That was right. And the plan I think was six or seven.”
Kong invented control and data plane separation in API management
“We kind of invented the control plane, data plane separation at the API management, API control plane level. Nobody was doing it before.”
AI agents will consume the internet via APIs, rendering UIs secondary
“Agents are going to consume internet in a very different way than how human did. There's not any more websites, scroll, click, up and down applications. They're going to be there, but not as relevant as before. Agents are going to programmatically exchange lab…”
Companies cannot build AI without an API-first architecture
“I think you cannot do AI if you're not API first. It's just, you don't have the mouth and the ears to a model.”
Augusto Marietti predicts API and AI traffic will converge within three years
“The way we know about API infrastructure, it will evolve, it won't change, but API traffic and AI traffic, they are converging. So the classic API calls, yes, but also when you move tokens is an API call. And Intelligent, let's say Intelligent will be sold thr…”
Enterprises will abstract LLM management into a unified AI gateway layer
“The same thing I think is going to happen in LLMs. At first, you have one enterprise use one big LLMs. Now they're going to use five, 1000, small LLM, medium, large, whatever. Once you get to, you don't do tokens re-limiting, token authentication in each LLM u…”
Augusto Marietti never considered quitting Kong because returning to Italy meant failure
“Never. The reason is, I could Never visualize myself going back to the airport in Italy and my dad picking him up and say, how's it going? And it's just like would fail with my tails and my legs. Like I could never, I would have died here without food. Like I …”
Founders should pick durable 10-year trends because building takes longer than expected
“It always take longer than what we think. It is good to take a trend the last 10 years, 20 years, because you have time to grow into and do a lot of mistakes and building, and just you have to generally believe it in this trend versus folding glitters, because…”