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IndxSearchLib 4.1.2

IndxSearchLib

v4.1.2

Indx is a high-performance, embeddable search engine for developers working with structured data. Built from the ground up for speed, typo tolerance, and ease of use.

Whether you're building a modern SaaS platform, a high-throughput microservice, or a lightning-fast local app, Indx is designed to drop in and just work.

Indx differs from other search libraries by using a pattern recognition system rather than a lexical model. It identifies fragments of repeating structure — where the shape and length of the pattern influence recognition — enabling powerful text matching across variations.

V4 At a Glance

• Pattern recognition search that handles large typos
• Instant search as you type
• Schemaless JSON indexing with support for nesting
• Filters, Facets, Weights, Sorting, Boosting
• Lightweight software with minimal resource usage

V4.1 New features

• Filter caching
• Filter preloading
• Word indexing for deep queries
• Hibernation
• Exclusive filtering
• Process monitor with performance control
• Compatibility with HTTP API

Get Started

Documentation: Indx v4.1 Documentation.

Running Indx in the Cloud? Download the ASP.NET template for deploying your own search server.

Quick Start

using Indx.Api;
var engine = new SearchEngine();

// ANALYZE AND INDEX JSON
FileStream fstream = File.Open("movies.json", FileMode.Open, FileAccess.Read);
engine.Init(fstream);

engine.GetField("title")!.Searchable = true;
engine.GetField("description")!.Searchable = true;

engine.Load(fstream);
engine.Index();

// SEARCH
var result = engine.Search(new Query("matrix", 10));

Download example apps to see how to use IndxSearchLib here:

• Simple console app

License & Support

IndxSearchLib is free for production use, including commercial applications.

Free Tier

• Free for any use case (personal, commercial, production)
• Unlimited documents with free registration (100k limit without registration)
• No support guarantees or SLA
• Community resources and documentation only

Free License Registration

To unlock unlimited documents, register for a free license. Registration is free and gives you a license file that removes the document limit.

Place the license file in your project and load it like this:

var engine = new SearchEngine("indx.license");

Paid Support Packages

For teams requiring guaranteed support and SLA commitments, we offer:

• Professional Support: Email-based technical support with priority response times
• Enterprise Support: SLA, direct engineering access, rapid response, and dedicated contact

Contact us at post@indx.co for pricing. See for full terms.