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Alter

vendor · alterauth.com

Alter is a zero-trust identity and access control platform purpose-built for AI agents. It wraps every tool call in strong authentication, fine-grained authorization, and real-time guardrails, so agents can move fast without breaking things. Each request is verified at the parameter level, authorized against granular policies, executed with least-privilege access, and fully audited in real time. Unsafe actions, whether it’s a rogue DROP TABLE or a payment above policy limits, are blocked before they touch production. Behind the scenes, Alter manages credentials, issuing ephemeral, scope-narrowed access for every interaction, then rotating or expiring it in seconds. The result: no long-lived secrets, no blind spots, and no surprises in audit. With Alter, teams can move fast on AI agent initiatives while staying fully compliant with SOC 2, HIPAA, GDPR, and internal security standards. A CI

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Alter is a maker — it sells what it builds, with nothing priced here yet.

Nothing it sells has been priced into the catalogue yet — the company is here as a name the market uses, and the page will fill as its prices are read.

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https://alterauth.com

Backed by 2

Davidovs Venture Collective, Y Combinator