> For the complete documentation index, see [llms.txt](https://docs.verified.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.verified.network/how-to-use-it.md).

# How to use it

## Verified SDK

The best way to interact with our API is to use the Verified SDK that enables third party applications to use both gas less and regular transactions that use gas to execute transactions on the ethereum protocol supported chains such as the Ethereum mainnet and L2 networks such as Polygon, Gnosis, Binance chain and Avalanche.

{% tabs %}
{% tab title="Node" %}

```
# Install via NPM
npm install --save @verified-network/verified-sdk
```

{% endtab %}
{% endtabs %}

## Verified REST API

Your REST API requests are authenticated using API keys. Any request that doesn't include an API key will return an error.

You can generate an API key by requesting Verified Network admin here.

## Make your first request

To make your first request, you can use our [Postman collection](https://documenter.getpostman.com/view/1898892/2s9YJaX43s).


---

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