# Welcome to TEOS API

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We've delivered some [non-versioned updates ](https://teos-docs.coreledger.net/changelog/non-versioned-changes)to currently available versions, check what's new and try it out
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The TEOS API is our core platform component, giving users simple and quick access to all of the TEOS platform’s rich functionality and enabling customers to build custom applications on top of CoreLedger's blockchain infrastructure. Real-time events, intuitive functions, and optional TEOS authentication services make getting started with blockchain technology faster and easier than ever.

If you are just starting with the TEOS API, we recommend that you dive into the topics listed below. If you're already familiar with TEOS API, use the Search function or just surf the navigation on the left to find what you're interested in.

Interested in TEOS API capabilities?[ Book a free discovery call](https://coreledger.net/book-a-call/) with our Customer Relations Manager.

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>Overview</strong></mark></td><td>Learn how the TEOS API fits into the TEOS platform, how versions work, and how authentication works.</td><td><a href="resources/using-the-teos-api">using-the-teos-api</a></td></tr><tr><td><mark style="color:blue;"><strong>Get started</strong></mark></td><td>Learn how to use the TEOS API with detailed guides and practical examples.</td><td><a href="get-started">get-started</a></td></tr><tr><td><mark style="color:blue;"><strong>Using TEOS API</strong></mark></td><td>Learn which common rules are important for users.</td><td><a href="overview">overview</a></td></tr><tr><td><mark style="color:blue;"><strong>API Reference</strong></mark></td><td>Learn how to read our reference documents so you can easily find what you are looking for.</td><td><a href="reference">reference</a></td></tr></tbody></table>

Don't forget to check out our website if you want to know more about [**CoreLedger**](https://coreledger.net/) and what we offer!