# Ardie Documentation

## Docs

- [Authentication](https://docs.ardie.ai/api-reference/authentication.md): How to authenticate your API requests
- [List Knowledge Bases](https://docs.ardie.ai/api-reference/endpoints/list-knowledge-bases.md): Browse and search available knowledge bases
- [Query a Knowledge Base](https://docs.ardie.ai/api-reference/endpoints/query.md): Send questions and receive answers with citations
- [Error Handling](https://docs.ardie.ai/api-reference/error-handling.md): Handle API errors gracefully in your application
- [API Introduction](https://docs.ardie.ai/api-reference/introduction.md): Learn how to integrate with the Ardie API
- [Rate Limits](https://docs.ardie.ai/api-reference/rate-limits.md): Understanding rate limits and usage caps
- [API Keys](https://docs.ardie.ai/concepts/api-keys.md): How Ardie's scoped API keys work
- [Knowledge Bases](https://docs.ardie.ai/concepts/knowledge-bases.md): Understanding knowledge bases on the Ardie marketplace
- [Pricing & Plans](https://docs.ardie.ai/concepts/pricing-plans.md): Understanding Ardie's prepaid usage model
- [What is RAG?](https://docs.ardie.ai/concepts/what-is-rag.md): Retrieval-Augmented Generation allows AI to retrieve information from a knowledge base and generate responses grounded in real documents, improving accuracy, transparency, and control.
- [Introduction](https://docs.ardie.ai/index.md): Ardie - Knowledge Infrastructure for AI Systems
- [Browsing Knowledge Bases](https://docs.ardie.ai/marketplace/browsing.md): How to find and filter knowledge bases in the marketplace
- [Purchasing Access](https://docs.ardie.ai/marketplace/purchasing.md): How to purchase access to a knowledge base
- [Quickstart](https://docs.ardie.ai/quickstart.md): Get up and running with Ardie in 5 minutes
- [Resources](https://docs.ardie.ai/resources.md): RAG models, pipelines, tools, and educational content to help you build better retrieval-augmented generation systems

## OpenAPI Specs

- [openapi](https://docs.ardie.ai/api-reference/openapi.json)

## Optional

- [Marketplace](https://ardie.ai/knowledge-bases)