# Indx Documentation — llms.txt

> This is the documentation site for Indx, a high-performance search engine using pattern recognition.
> Full documentation: https://docs.indx.co
> Complete text version: https://docs.indx.co/llms-full.txt
> AI agent skill: https://skills.sh/indxsearch/skill-indx-search/indx-search

## Documentation Structure

- Guides: Getting started, core concepts, cloud API setup, licensing
- How To: Practical examples with C# and HTTP API code
- C# API Reference: Auto-generated from IndxSearchLib NuGet package
- HTTP API Reference: Auto-generated from OpenAPI spec

## C# NuGet Integration

Package: IndxSearchLib (NuGet)
Target: .NET 9.0
Install: dotnet add package IndxSearchLib

Key classes: SearchEngine, Query, Result, Filter, Boost, CoverageSetup, ProcessMonitor, Field, SystemStatus

Lifecycle: Init(stream) → Configure fields → Load(stream) → Index() → Search(query)

## HTTP API Integration

Server: IndxCloudApi (GitHub: indxSearch/IndxCloudApi)
OpenAPI spec: https://cloud.indx.co/swagger/v1/swagger.json
Auth: JWT Bearer token

Workflow: Login → CreateOrOpen → AnalyzeString → Set*Fields → LoadString → IndexDataSet → Search

## Key Documentation Pages

- Getting Started: https://docs.indx.co/guides/getting-started
- Core Concepts: https://docs.indx.co/guides/concepts
- C# API Overview: https://docs.indx.co/csharp/overview
- HTTP API Overview: https://docs.indx.co/http/overview
- SearchEngine class: https://docs.indx.co/csharp/SearchEngine
- Query class: https://docs.indx.co/csharp/Query
- Filters: https://docs.indx.co/csharp/Filters
- How To guides: https://docs.indx.co/howto/field-configuration

## Resources

- NuGet: https://www.nuget.org/packages/IndxSearchLib/
- GitHub: https://github.com/indxSearch/IndxCloudApi
- AI Skill: https://skills.sh/indxsearch/skill-indx-search/indx-search
- Website: https://indx.co