# Tuya IoT Platform Configuration Guide

This topic describes how to create a project on the [Tuya IoT Platform](https://iot.tuya.com/) and link devices to this project with an account of the Tuya Smart app or Smart Life app.

## Prerequisites

You have [registered](https://developer.tuya.com/en/docs/iot/tuya-smart-app-smart-life-app-advantages?id=K989rqa49rluq#title-3-Account) with the **Tuya Smart** app or **Smart Life** app.

## Create a project

1. Log in to the [Tuya IoT Development Platform](https://iot.tuya.com/).
2. In the left navigation pane, click **Cloud**.
3. On the page that appears, click **Create Cloud Project**.
4. In the **Create Cloud Project** dialog, set the required parameters.

   | Parameters | Description |
   |:----|:----|
   | Project Name | User-defined |
   | Description | User-defined |
   | Industry | Select one as per your needs. |
   | Development Method | Select **Smart Home**. |
   | Data Center | Select the correct data center to serve your project. For more information, see [Mappings Between OEM App Accounts and Data Centers](https://developer.tuya.com/en/docs/iot/oem-app-data-center-distributed?id=Kafi0ku9l07qb). |

   <img src="https://airtake-public-data-1254153901.cos.ap-shanghai.myqcloud.com/content-platform/hestia/1634629165d82cd408355.png"  width="75%">

5. Click **Create** to continue with project configuration.
6. In the **Authorize API Services** dialog, select **Device Status Notification**.

   <img src="https://airtake-public-data-1254153901.cos.ap-shanghai.myqcloud.com/content-platform/hestia/1635307284f7e8a7381eb.png" width="60%">

7. Click **Authorize**.

## Get authorization key

Click the newly created project to enter the **Overview** page and get the **Authorization Key** used to make API requests.

<img src="https://airtake-public-data-1254153901.cos.ap-shanghai.myqcloud.com/content-platform/hestia/16346291664299d920f92.png" width="60%"/>

## Link devices by app account


1. Click the **Devices** tab.
2. Choose **Link Tuya App Account** > **Add App Account**. A QR code will appear.

   ![Image](https://airtake-public-data-1254153901.cos.ap-shanghai.myqcloud.com/content-platform/hestia/16346291664e386e176aa.png)

   <img src="https://airtake-public-data-1254153901.cos.ap-shanghai.myqcloud.com/content-platform/hestia/1634629166ff59d491c09.png" height="300pt"/>

3. Scan the QR code with the **Tuya Smart** app or **Smart Life** app.

   > **important**：
   The data center selected for your cloud project must be capable of serving the region of your app account. Here is how to find the region: open the mobile app you use and tap **Me** > **Setting** > **Account and Security** > **Region**. For more information, see [Mappings Between OEM App Accounts and Data Centers](https://developer.tuya.com/en/docs/iot/oem-app-data-center-distributed?id=Kafi0ku9l07qb).

   ![Mappings](https://airtake-public-data-1254153901.cos.ap-shanghai.myqcloud.com/content-platform/hestia/1634629166d85e498a612.png)

4. Tap **Confirm** on the app.

5. Click **All Devices**. You will find all your smart devices that have been added to this mobile app are listed here.

## Mappings between regions and data centers

Make sure the **data center** you select for your cloud project can serve the **region** of your app account.

- Region: the region you have selected when you register with the Tuya Smart app or Smart Life app. Here is how to find the region: open the mobile app you use and tap **Me** > **Setting** > **Account and Security** > **Region**.

   <img src="https://airtake-public-data-1254153901.cos.ap-shanghai.myqcloud.com/content-platform/hestia/16346317858db898f9179.png"  height="500pt"/>


- Data center: The server that your cloud project is hosted on. You must select the correct data center that can serve your **region**. Otherwise, your devices cannot be connected to the [Tuya IoT Development Platform](https://iot.tuya.com/).

   <img src="https://airtake-public-data-1254153901.cos.ap-shanghai.myqcloud.com/content-platform/hestia/1634629166444cfcf18ed.png"  width="75%">

   For more information, see [Mappings Between OEM App Accounts and Data Centers](https://developer.tuya.com/en/docs/iot/oem-app-data-center-distributed?id=Kafi0ku9l07qb).