Captain | Y Combinator
Winter 2026 batch; API-first accurate knowledge search / RAG for AI agents.
Weak funding evidence: mention does not include a parsed raise amount/round and may refer to non-funding context.
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Evidence-bound summary — expand sections for movement, risks, and signals.
Memo snapshot · May 20, 2026, 6:20 PM
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TL;DR
Seed (YC)Captain - Accurate knowledge search that scales Accurate knowledge search that scales
Raised $500K across 1 funding round. Latest: $500K Seed (Sep 2025). Investors: Y Combinator. (High).
Funding
Raised $500K across 1 funding round. Latest: $500K Seed (Sep 2025). Investors: Y Combinator. (High).
Hiring
2 hiring‑related row(s); role‑spam risk if mostly generic boards (High).
Product / news
2 product/news‑styled row(s); headline risk without filings (High).
Verified facts
+2 more in Recent movement below
Winter 2026 batch; API-first accurate knowledge search / RAG for AI agents.
Weak funding evidence: mention does not include a parsed raise amount/round and may refer to non-funding context.
No open roles indexed yet.
The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.
Source types found
Strongest / recent news-style rows
Pricing · Thu, Jul 2, 03:06 PM · confidence 90%high quality
Wed, May 20, 06:20 PM · confidence 88%high quality
Newest first · 11 event(s)
Source: Pricing
Accurate knowledge search that scales
Source: Blog
Accurate knowledge search that scales
Source: GitHub (linked from site)
GitHub presence linked from official site for Captain.
Winter 2026 batch; API-first accurate knowledge search / RAG for AI agents.
Enterprise RAG and file search API for agents.
Source: Homepage
Accurate knowledge search that scales
Source: Customers
Accurate knowledge search that scales
Source: Press
Accurate knowledge search that scales
Source: Jobs page
Accurate knowledge search that scales
Source: Careers page
Accurate knowledge search that scales
Source: Team page
Accurate knowledge search that scales
5 row(s)
The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.
Enterprise RAG and file search API for agents.
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗Accurate knowledge search that scales
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗Accurate knowledge search that scales
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗Accurate knowledge search that scales
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗Accurate knowledge search that scales
Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.
Open source ↗1 row(s)
Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.
Accurate knowledge search that scales
Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗1 row(s)
Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.
Winter 2026 batch; API-first accurate knowledge search / RAG for AI agents.
Why it matters: Funding signal — Seed per this source; verify against the linked original before relying on it.
Open source ↗2 row(s)
Open roles and careers pages. Active hiring implies runway to spend and shows where the company is investing (engineering vs GTM vs ops).
Accurate knowledge search that scales
Why it matters: Hiring signal — open roles imply runway to spend and show where the company is investing.
Open source ↗Accurate knowledge search that scales
Why it matters: Hiring signal — open roles imply runway to spend and show where the company is investing.
Open source ↗1 row(s)
Public engineering activity. Sustained commits, releases, and stars indicate real product development and, for dev tools, developer adoption.
GitHub presence linked from official site for Captain.
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗1 row(s)
Company blog and newsletters. Shipping cadence and technical depth of posts hint at product velocity and team quality.
Accurate knowledge search that scales
Why it matters: Company publishing — post cadence and depth hint at product velocity.
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