Alter | Y Combinator
Summer 2025 batch; zero-trust identity and access control for AI agents (Alter Vault).
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, 6:31 PM
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TL;DR
Seed (YC)Alter Vault | Authorization Layer for AI Agents Secure OAuth credential management and policy enforcement for agents.
Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).
Funding
Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).
Product / news
2 product/news‑styled row(s); headline risk without filings (High).
Verified facts
Summer 2025 batch; zero-trust identity and access control for AI agents (Alter Vault).
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
Wed, May 20, 06:31 PM · confidence 88%high quality
wikipedia · Mon, Jun 29, 01:32 AM · confidence 50%medium quality
Wed, May 20, 06:31 PM · confidence 85%medium quality
Newest first · 26 event(s)
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Source: official_site
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
Secure OAuth credential management and policy enforcement for agents.
Summer 2025 batch; zero-trust identity and access control for AI agents (Alter Vault).
Source: Blog / news
News, guides, and insights from the Alter Vault team.
Source: Customers
Secure OAuth credential management for AI agents. Connect, authorize, and audit every tool your agents use, with enterprise-grade security.
Source: npm_registry
JavaScript SDK for Alter Connect - Secure OAuth integration UI
Source: npm_registry
Official TypeScript SDK for Alter Vault — OAuth token management with policy enforcement
Source: npm_registry
~Alter identity CLI - login once, authenticated everywhere.
Source: npm_registry
String alter
YC launch for identity and access control platform for agents.
17 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.
Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Alter Vault | The Authorization Layer for AI Agents Skip to main content Docs Pricing Blog Early Access Docs Pricing Blog Backed by Combinator The auth layer for AI agents. Let your AI agents securely access any API — Alter Vault handles OAuth tokens, API key…
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 ↗Secure OAuth credential management and policy enforcement 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 ↗Secure OAuth credential management for AI agents. Connect, authorize, and audit every tool your agents use, with enterprise-grade security.
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 ↗2 row(s)
Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.
Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.
Open source ↗YC launch for identity and access control platform for agents.
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.
Summer 2025 batch; zero-trust identity and access control for AI agents (Alter Vault).
Why it matters: Funding signal — Pre-Seed per this source; verify against the linked original before relying on it.
Open source ↗5 row(s)
Public engineering activity. Sustained commits, releases, and stars indicate real product development and, for dev tools, developer adoption.
JavaScript SDK for Alter Connect - Secure OAuth integration UI
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗Official TypeScript SDK for Alter Vault — OAuth token management with policy enforcement
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗alters a string by replacing multiple range fragments in one fast pass
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗~Alter identity CLI - login once, authenticated everywhere.
Why it matters: Engineering signal — public repo activity evidences active development and possible developer adoption.
Open source ↗String alter
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.
News, guides, and insights from the Alter Vault team.
Why it matters: Company publishing — post cadence and depth hint at product velocity.
Open source ↗Sign in as an active team member to view private notes, watchlist controls, transcript evidence, and interaction history.