platoseedplatoseed
Secure access control and authorization platform for agent workflows
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 CISO-ready dashboard delivers real-time visibility, detailed audit logs, and compliance-ready controls, removing silos, eliminating excessive permissions, and providing complete oversight of every agent workflow.
Alter Vault is an authorization layer for AI agents that securely manages OAuth credentials, API keys, policies, and audit logs. It enables agents to connect to and access APIs with policy-enforced, auditable requests across multiple provider integrations.
Alter authenticates, authorizes, and logs every request from AI agents. A single SDK call replaces weeks of auth infrastructure, supporting OAuth tokens, API keys, and fine-grained policies with full audit trails. It works with major agent frameworks and 100+ providers, providing an embeddable OAuth widget, dual SDKs (Python and TypeScript), a developer dashboard, and a user-facing portal to manage connections. When an AI agent makes an API call, Alter Vault resolves identity, policy scope, and access, injects tokens as needed, and records a complete chain of custody for each request.
Who it’s for: AI/ML teams, developer platforms integrating AI agents, security-conscious enterprises deploying agent workflows
Backed by Y Combinator; shows early access and pricing pages; active documentation and pricing sections indicate traction and product maturity
Co-Founder & CEO of Alter (YC S25), a zero-trust identity and access control platform for AI agents. Former Platform Lead at Goldman Sachs, where I scaled GSAM’s post-trade infrastructure from single to multi-cluster and helped launch the GM Card. Before that, software engineer at Addepar and Clear Street.
Co-founder and CTO of Alter (YC S25), a zero-trust identity and access control platform for AI agents. Previously technical co-founder of Compute.ai, where we built a compute engine 5x faster than EMR Spark and sold into highly regulated enterprises like LSEG. Compute.ai was acquired by Terizza in 2025.
Build secure, compliant agents without the fear of breaking production
Alter provides a central control layer to run AI agents with identity verification, fine-grained RBAC/ABAC, and short-lived tokens, enabling real-time approval of agent requests, audit trails, and automated compliance across production deployments for enterprises and regulated industries.
Zero-trust authentication, authorization, and auditing for AI agents
The Authorization Layer for AI Agents
