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Raindrop

YC W24

San Francisco, US · Founded 2023 · 9 employees · Hiring · 7 known investors

Find your way into Raindrop

494 people in our graph share verified history with the Raindrop team — schools, employers, funds. One of them is your warm intro.

Sumant Mandalunlockedknows Alexis Gauba · together at The Hive (overlapped)
×2knows the team · via Stanford Institute for Economic Policy Research
knows the team · via Apple
knows the team · via SpaceX
×2knows the team · via UC Berkeley College of Engineering
×4knows the team · via The Harker School

Raindrop provides observability and monitoring for AI agents, capturing traces of production runs including messages, tool calls, retries, and errors. The platform helps engineering teams detect silent failures, auto-fix issues, and integrate monitoring directly into Slack workflows.

Also known as dawn · Dawn · Invisible Tools · Sidekick · Sidekick [NOTE · this is a duplicate app per request of Diana Hu. old id: zkoticha]

AI & Machine LearningDeveloper ToolsEnterprise SoftwareSaaSArtificial IntelligenceB2BMonitoringAIUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (W24)

Raindrop was founded in 2023 by Zubin Koticha, Alexis Gauba, and Ben Hylak.

ZKZubin Koticha
Zubin Kotichain𝕏CEO, CofounderZubin Koticha is cofounder and former CEO of Opyn, a DeFi options platform acquired by Coinbase. He is a UC Berkeley graduate currently building Raindrop, an error monitoring platform for AI products.
AGAlexis Gauba
Alexis Gaubain𝕏Co-FounderAlexis Gauba co-founded Opyn, a DeFi options platform that was acquired by Coinbase, and studied electrical engineering and computer science at UC Berkeley before leaving to pursue other ventures. He is now building Raindrop, an observability platform for AI agents.
BHBen Hylak
Ben Hylakin𝕏Co-Founder & CTOBen Hylak spent four years on Apple's Human Interface team, where he worked on visionOS development. He previously explored robotics and avionics before founding Raindrop.

Investors · 7

Moth FundSan Franciscovia Molly Mielke · inferred
Scribble VenturesPortola Valley · $750K – $1.5M
Y CombinatorSan Francisco · $500K
Flare Capital PartnersreportedBoston · $1M – $10M
Lightspeed Venture Partnersreported · 2 sourcesMenlo Park · $1.7M – $87M

Also in the syndicate · 2

Figma VenturesVercel Ventures

Funding

SEC filings, press & company announcements

$15M disclosed across 1 of 2 rounds · 2025

Source: company announcements and press reports — follow each round's link for the claim.

Competitors · 3

by search overlap
Amogy12 shared keywordsAmogy develops patented ammonia cracking technology that converts ammonia into electric power for hydrogen fuel cells and engines, targeting decarbonization of heavy industries including transportation and maritime. The company offers modular ammonia-to-power systems and high-efficiency catalysts as alternatives to diesel and hydrogen fuel solutions.
OpenAI12 shared keywordsOpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.
Mwm11 shared keywordsMWM is a technology company that manages the complete mobile app lifecycle from AI-powered creation through growth operations and global distribution. The company serves app creators, founders, and studios through its integrated platform combining MWM AI, MWM Console, and MWM Publishing, all backed by proprietary data intelligence.

Companies competing with Raindrop for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Raindrop Raises $15M Seed Led by Lightspeed to Monitor AI Agentssvpost.com · Dec 2025Raindrop Secures $15M to Monitor AI Agent Failurestechnews180.com · Dec 2025Raindrop Raises $15M Funding for AI Agent Monitoring - Ventureburnventureburn.com · Dec 2025Raindrop Raises $15 Million to Detect Critical AI Agent Failuresprnewswire.com · Dec 2025Raindrop Raises $15M in Seed Fundingfinsmes.com · Dec 2025Want to Know Why Your AI Agent Failed? There’s AI for That.wsj.com · Dec 2025Raindrop Deep Searchycombinator.com · Jun 2025Raindrop - Sentry for AI Productsycombinator.com · Apr 2025

Frequently asked questions

What does Raindrop do?
Raindrop provides observability and monitoring for AI agents, capturing traces of production runs including messages, tool calls, retries, and errors. The platform helps engineering teams detect silent failures, auto-fix issues, and integrate monitoring directly into Slack workflows.
Who founded Raindrop?
Raindrop was founded by Zubin Koticha, Alexis Gauba, Ben Hylak in 2023.
Who are Raindrop's investors?
Raindrop's investors include Moth Fund, Scribble Ventures, Y Combinator, Flare Capital Partners, Lightspeed Venture Partners.
How much funding has Raindrop raised?
Raindrop has disclosed $15M raised across 1 of its 2 known rounds.
Where is Raindrop headquartered?
Raindrop is headquartered in San Francisco, US.