Stack Auth
PrivateLast Round
Seed
Aug 8, 2024
Total Funding Raised
$1M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
Stack Auth operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Seed round in August 2024.
Stack Auth is a software company that provides an open-source authentication, authorization, and user management platform for developers.
Sector
AI, Data & Cloud Infrastructure
Verticals
Identity & Access, Cloud Security, Digital Identity, Digital Payments
Business Model
B2B
Customer Profile
Subscription SaaS, Freemium
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Stack Auth Comparables
Compare Stack Auth with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Better Auth | 87% | |
| SuperTokens | 86% | |
| PropelAuth | 85% |
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Stack Auth Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Aug 8, 2024 | ||||
| Pre Seed | Jul 1, 2024 |
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Stack Auth Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Orange Collective | Pre Seed |
| Ritual Capital | Pre Seed |
| Y Combinator | Pre Seed, Seed |
| Olive Tree Capital | Pre Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 12, 2026
Monthly visitors grew 1608% MoM, reaching 43.4K.
- Oct 7, 2025
Added Pause Cafe as a customer
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Stack Auth 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.
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Frequently Asked Questions
Common questions about Stack Auth's valuation, stock price, and market status.
Is Stack Auth a public or private company?
Stack Auth is a private company.
What is the current stock price of Stack Auth?
Stack Auth is a private company, so its shares have no public market price. Caplight tracks Stack Auth's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Stack Auth worth (valuation)?
Valuation information for Stack Auth is not publicly available.
Can I buy Stack Auth stock?
Stack Auth shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Stack Auth's last funding round?
Stack Auth's most recent funding round was Seed on August 8, 2024.
Who are the main investors in Stack Auth?
Key investors in Stack Auth include Y Combinator.
Will Stack Auth IPO soon?
No public IPO plans have been announced for Stack Auth.
How can I track Stack Auth secondary market activity?
Caplight tracks bids, offers, and trades in Stack Auth's shares on secondary markets.