# Antigen Developer Docs

> Build and operate security assessment Runs with Antigen APIs, the TypeScript SDK, and the CLI.

## Docs

- [Authentication](https://docs.antigen.sh/authentication.md): Choose a credential, configure it for the SDK, CLI, or HTTP API, and resolve authorization errors.
- [CLI reference](https://docs.antigen.sh/cli.md): Create, observe, recover, and control authorized Antigen Runs from the command line.
- [Concepts](https://docs.antigen.sh/concepts.md): Understand controlled assessments, evidence-backed findings, and durable Run workflows.
- [Examples](https://docs.antigen.sh/examples.md): Complete authorized Run workflows for creation, evidence, recovery, and lifecycle control.
- [Get started](https://docs.antigen.sh/getting-started.md): Start an authorized Antigen assessment with the SDK, CLI, or HTTP API.
- [Guides](https://docs.antigen.sh/guides.md): Plan authorized assessments, preserve Run evidence, and turn findings into next actions.
- [HTTP API reference](https://docs.antigen.sh/http-api.md): Create, observe, recover, and control authorized Antigen Runs over HTTP.
- [Reliability and security](https://docs.antigen.sh/reliability-security.md): Operate durable Runs safely across retries, disconnects, and organization boundaries.
- [Resources and troubleshooting](https://docs.antigen.sh/resources.md): Recover from common Run integration problems and find related Antigen resources.
- [TypeScript SDK reference](https://docs.antigen.sh/sdk/typescript.md): Build, observe, recover, and control authorized Antigen Runs from TypeScript.