# Enzoguard > Enzoguard is a machine-authentication service for issuing, managing, and verifying API keys over HTTP. ## Documentation - [Getting started](https://enzoguard.com/docs/getting-started.md): Create and verify your first Enzoguard API key in less than 10 minutes. - [Core concepts](https://enzoguard.com/docs/concepts.md): Understand Enzoguard realms, apps, system keys, and customer API keys. - [Plan limits](https://enzoguard.com/docs/limits.md): Request rate and resource limits for each Enzoguard plan. - [HTTP API reference](https://enzoguard.com/docs/api-reference.md): Enzoguard HTTP endpoints and its canonical OpenAPI contract. - [Documentation for AI agents](https://enzoguard.com/docs/ai-access.md): Discover and consume Enzoguard documentation as Markdown. - [Support](https://enzoguard.com/docs/support.md): Contact Enzoguard support and check Enzoguard service availability. ## Blog ## Machine-readable resources - [Complete documentation](https://enzoguard.com/llms-full.txt) - [OpenAPI contract](https://enzoguard.com/openapi.yaml) - [Sitemap](https://enzoguard.com/sitemap.xml)