How Kong Was Born: APIs, Hustle, and the Future of AI Infrastructure
•October 21, 2025
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Why It Matters
The story highlights how early founder resilience, opportunistic networking, and tiny seed funding can catalyze infrastructure companies that become core to modern API and AI stacks, illustrating the human and financial grit behind big enterprise tech successes.
Summary
Kong founder Augusto 'Auggie' Marietti recounts the company's scrappy origins as Mashape, describing seven years of struggle before rapid growth. He and co-founders moved from Milan to San Francisco on minimal funds and a 90-day tourist visa, raised a pivotal $51,000 angel round after cold-emailing hundreds of contacts, and negotiated the deal at Travis Kalanick’s house. The early team survived on $1,000 a month, sleeping in shared spaces, coding from Starbucks, and subsisting on cheap meals while building product and community. Those survival tactics and founder hustle laid the groundwork for Kong’s later scale and ambitions, including eventual IPO-level aspirations.
Original Description
Augusto Marietti, CEO and cofounder of Kong, has one of the most remarkable founder stories in Silicon Valley history.
In this conversation with Martin Casado, Aghi shares how he went from a garage in Milan to building one of the world’s leading API infrastructure companies, surviving years of rejection, living in the U.S. on $1,000 a month, and raising his first $50K while sleeping on Travis Kalanick’s couch.
They talk about the near-death moments that defined Kong’s journey, the seven-year grind before breakout success, and how APIs became the “assembly line of software.” Aghi also explains how Kong evolved into the backbone of modern API and AI connectivity, and why the coming wave of AI agents will make APIs more essential than ever.
Timestamps:
00:00 Intro
01:27 The 90-Day Fundraising Mission
02:57 Cold Emailing 400 Investors Overnight
04:49 Negotiating at Travis Kalanick’s House
06:46 Living on $1,000 a Month in San Francisco
09:18 Pivoting to the API Marketplace
11:00 The Seed Round with NEA, Index, and Bezos
14:19 Getting U.S. Visas and Help from Sam Altman
17:14 Series A, CRV, and Proving the Model
19:22 The Pivot That Created Kong
20:59 Launching Open Source and Surviving on a Bridge Round
21:55 Raising the Series B with a16z
23:40 Hitting Growth Milestones and the Car Bet
25:57 Kong’s Breakout and API Leadership
28:52 AI, APIs, and the Future of Connectivity
34:27 Lessons for Founders
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Resources:
Follow Aghi on X: x.com/sonicaghi
Follow Martin on X: x.com/martin_casado
Listen to the a16z Podcast on Spotify: https://open.spotify.com/show/5bC65RDvs3oxnLyqqvkUYX
Listen to the a16z Podcast on Apple Podcasts: https://podcasts.apple.com/us/podcast/a16z-podcast/id842818711
Follow our host: https://x.com/eriktorenberg
Please note that the content here is for informational purposes only; should NOT be taken as legal, business, tax, or investment advice or be used to evaluate any investment or security; and is not directed at any investors or potential investors in any a16z fund. a16z and its affiliates may maintain investments in the companies discussed. For more details please see a16z.com/disclosures.
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