---
title: Reference Documentation
updated: 2026-06-13
---

These docs describe current, verified behavior of Tempest.

They explain the implementation at a high level and introduce the AT Protocol/PDS
concepts needed to understand that implementation.

- [Architecture](./architecture.md)
- [SQLite Storage](./storage-sqlite.md)
- [XRPC HTTP Surface](./xrpc.md)
- [Repository Core](./repo-core.md)
- [Record APIs](./record-apis.md)
- [Blobs](./blobs.md)
- [Account Management Control Panel](./account-management.md)
- [Account Migration](./account-migration.md)
- [Migration and Account Lifecycle](./migration-lifecycle.md)
- [Security, OAuth, and Delegated Access](./security-oauth.md)
- [OAuth private_key_jwt Concepts](./oauth-private-key-jwt.md)
- [Admin and Operator Operations](./admin-operations.md)
- [Deployment Guide](./deployment.md)
- [Deployment and Observability](./deployment-observability.md)
- [Initial Release Readiness](./release.md)
- [PDS Compatibility Matrix](./pds-compatibility.md)
- [Lexicon Schemas](./lexicon-schemas.md)
- [Interop and Integration Testing](./interop-testing.md)
- [Identity and Handles](./identity-handles.md)
- [Public Stats Dashboard](./public-stats-dashboard.md)
- [Documentation Viewer](./doc-viewer.md)
- [Budget](./budget.md)

Additional reference notes:

- [Identity Troubleshooting](identity-troubleshooting.md)
- [Sync and Firehose](./sync-firehose.md)