Raindrop
PrivateLast Round
Series A
Sep 17, 2026
Total Funding Raised
$50.5M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Raindrop is an artificial intelligence company that provides a monitoring and observability platform designed to help AI engineers detect, trace, and resolve silent failures in AI agents.
Sector
AI, Data & Cloud Infrastructure
Verticals
ML Platforms, NLP & Conversational AI, Workflow Automation
Business Model
B2B
Customer Profile
Subscription SaaS
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Raindrop Comparables
Compare Raindrop with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| AgentOps | 88% | |
| Maxim AI | 87% | |
| PromptLayer | 86% |
Raindrop Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | Sep 17, 2026 | ||||
| Seed | Dec 1, 2025 | ||||
| Accelerator | Apr 4, 2024 |
Key People
Founding team and executive leadership
Raindrop Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Pioneer Fund | Accelerator |
| Moth Fund | Accelerator |
| Figma Ventures | Series A, Seed |
| Vercel Ventures | Series A |
| Y Combinator | Series A, Seed, Accelerator |
| CRV | Series A |
| Lightspeed Venture Partners | Series A, Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 28, 2026
Open roles increased to 26, 2.1x the trailing average.
- Sep 19, 2026
Grew 33% QoQ from 12 to 16 employees.
Recent news
Latest coverage and updates
- launchesSep 27, 2026
In Sep '26, Raindrop announces a safety-layer platform for AI agents that identifies production-time failures such as missed tool calls, hallucinations and other errors that standard evaluations overlook; the service is already deployed at companies including Vercel, Clay, Framer and Speak.
- receives_financingSep 18, 2026
Raindrop raises a $35M Series A led by CRV, with Lightspeed Venture Partners and Y Combinator participating, to connect post-deployment failures with issues blocked before release in California on Sep 17th '26.
- launchesSep 17, 2026
Raindrop launches Raindrop Simulations in research preview on Sep 17th '26 to run simulations on every PR and show the real-world impact of agent changes.
- launchesAug 13, 2026
On Aug 12th '26, Raindrop launches rd-signal-2, a pipeline that builds task-specific binary classifiers from production agent traces, with Signals 2.0 free to existing customers.
Raindrop Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about Raindrop's valuation, stock price, and market status.
Is Raindrop a public or private company?
Raindrop is a private company.
What is the current stock price of Raindrop?
Raindrop is a private company, so its shares have no public market price. Caplight tracks Raindrop's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Raindrop worth (valuation)?
Valuation information for Raindrop is not publicly available.
Can I buy Raindrop stock?
Raindrop shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Raindrop's last funding round?
Raindrop's most recent funding round was Series A on September 17, 2026.
Who are the main investors in Raindrop?
Key investors in Raindrop include Y Combinator, CRV, Lightspeed Venture Partners.
Will Raindrop IPO soon?
No public IPO plans have been announced for Raindrop.
How can I track Raindrop secondary market activity?
Caplight tracks bids, offers, and trades in Raindrop's shares on secondary markets.