> For the complete documentation index, see [llms.txt](https://docs.facephi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.facephi.com/docs.facephi-en/sdks/sdk-web/introduccion/requisitos-minimos.md).

# Minimum requirements

For all frameworks and libraries to be available, a version of the SDK has been developed in Web Components with the following features:

* The widgets were added **Selphi** and **SelphID**.
* Support for **automatic tracking**.
* Support for **tokenization** and generation of **extraData**.
* Support for **dynamic licenses** managed by Facephi.
* Capabilities for **video recording**.
* Support for **dynamic forms**.

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## Prerequisites

To install the SDK Web, make sure you meet the following requirements:

#### Node.js and package manager

Make sure you have installed **Node.js** and **NPM** (or the package manager of your choice) on your system.

* Official Node.js site (<https://nodejs.org/es/>)
* NPM documentation (<https://www.npmjs.com/>)

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## Credentials

You will need a **authentication Token**, provided by the Facephi team, to access the SDK.

More information about this file in the [installation section](/docs.facephi-en/sdks/sdk-web/introduccion/instalacion.md).

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## Recommendations

* Check the minimum technical requirements before installation.
* Always use the latest available SDK Version.
* For production environments, use mandatory HTTPS.
* Use the environment `Sandbox` for testing and prior validations.
* Do not expose your `apiKey` in public environments or open repositories.
* Review the Best practices before moving to production.