# Introduction

**Sub-account can only be enabled and created when logging in via third-party authorization (Apple/Google). It cannot be enabled when using 'Connect Wallet' login.**

### Setting up

The first step to use `1Dex developer kits` is setting up your environments.

<table data-view="cards"><thead><tr><th></th><th data-type="content-ref"></th><th></th></tr></thead><tbody><tr><td></td><td><a href="/pages/ctWiItHE5aBIu0fjvsEX">/pages/ctWiItHE5aBIu0fjvsEX</a></td><td>Apply for an API key for the primary account, to be used with both REST API and WebSocket stream.</td></tr><tr><td></td><td><a href="/pages/opmqOnI3wqXgxou0vGMy">/pages/opmqOnI3wqXgxou0vGMy</a></td><td>Enable subaccount function to isolate trading strategies through multiple subaccounts.</td></tr></tbody></table>

### Dev kits components

The development kits consist of the following components. Click the links below to access detailed documentation for each reference:

* [Restful API Reference](/developer/restful-api-reference/overview.md)
* [Websocket Streams](/developer/websocket-streams/overview.md)
* [Javascript SDK](/developer/sdks/javascript-sdk.md)


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