# Agent Identity (ZeroID)

- [Introduction](https://docs.highflame.ai/agent-identity-zeroid/introduction.md)
- [Quick Start](https://docs.highflame.ai/agent-identity-zeroid/quick-start.md)
- [Concepts](https://docs.highflame.ai/agent-identity-zeroid/concepts.md)
- [Identity Model](https://docs.highflame.ai/agent-identity-zeroid/concepts/identity-model.md)
- [Token Flows](https://docs.highflame.ai/agent-identity-zeroid/concepts/token-flows.md)
- [Guides](https://docs.highflame.ai/agent-identity-zeroid/guides.md)
- [Agent Delegation](https://docs.highflame.ai/agent-identity-zeroid/guides/agent-delegation.md): Orchestrator-to-sub-agent delegation with ZeroID. RFC 8693 token exchange — sub-agents get their own token with act.sub pointing back to the orchestrator. delegation\_depth tracks hop count.
- [Downstream Authorization](https://docs.highflame.ai/agent-identity-zeroid/guides/downstream-authorization.md): Pattern for verifying ZeroID JWTs in downstream services — verify() for local fast checks, session() for revocation-aware checks, then extract claims before calling Shield.
- [Agent Authorization Integration](https://docs.highflame.ai/agent-identity-zeroid/guides/shield-integration.md): Two-layer security model — ZeroID verifies agent identity, Highflame Agent Authorization enforces runtime actions. Pattern for passing ZeroID JWT claims as Cedar context. Cedar policy examples.
- [Signals and Revocation](https://docs.highflame.ai/agent-identity-zeroid/guides/signals-and-revocation.md): CAE signals for real-time token revocation — 7 signal types (session\_revoked, identity\_compromised, tool\_abuse\_detected, etc.), client.signals.ingest(), and how signals interact with tokens.session().
- [Credential Policies](https://docs.highflame.ai/agent-identity-zeroid/guides/credential-policies.md): Credential policies — control allowed grant types, max TTL, allowed scopes, delegation depth, and required trust level at issuance time before runtime enforcement.
- [Troubleshooting](https://docs.highflame.ai/agent-identity-zeroid/guides/troubleshooting.md): Troubleshooting guide for ZeroID — token verification failures, delegation errors, and self-hosted deployment issues.


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