Fundraising Fox

Raindrop

YC W24

San Francisco, US · Founded 2023 · 9 employees · Hiring · 4 known investors

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 · 4

Moth FundSan Franciscovia Molly Mielke · inferred
Scribble VenturesPortola Valley · $750K – $1.5M
Y CombinatorSan Francisco · $500K
Lightspeed Venture PartnersreportedMenlo Park · $1.7M – $87M

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 mobile app platform that lets teams build native iOS and Android apps using AI agents, operate live apps through an analytics and monetization console, and scale them with funded user acquisition, ASO and distribution. It serves mobile app developers and publishers looking to create, run, and grow their apps.

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

In the news

Raindrop 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 2025Dawn - Analytics for AI productsycombinator.com · Mar 2024

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, 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.