> ## Documentation Index
> Fetch the complete documentation index at: https://docs.upstackdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# TikTok Initiate Checkouts: Attributed Checkout Starts

> Track checkout initiations attributed to TikTok ads. Measure how many users start the checkout process after engaging with your TikTok campaigns.

<Tip>
  TikTok Initiate Checkouts counts the number of checkout initiations attributed to your TikTok ad campaigns.
</Tip>

## Formula

<Info>
  **TikTok Initiate Checkouts** = **COUNT** ( TikTok-Attributed Initiate Checkout Events )
</Info>

### Formula Components

| Metric                                         | Definition                                                                                 |
| ---------------------------------------------- | ------------------------------------------------------------------------------------------ |
| **TikTok-Attributed Initiate Checkout Events** | Checkout starts from users who clicked or viewed a TikTok ad within the attribution window |

| Metadata        |                               |
| --------------- | ----------------------------- |
| **Type**        | Number                        |
| **Data Source** | [TikTok Ads](/sources/tiktok) |
| **Aggregation** | Count                         |

***

## Example

Your TikTok campaigns drove **892 checkout initiations** during a product launch week.

| Campaign          | Initiate Checkouts | Conversion Rate to Purchase |
| ----------------- | ------------------ | --------------------------- |
| Summer Collection | 534                | 68%                         |
| Flash Sale        | 285                | 72%                         |
| New Arrivals      | 73                 | 61%                         |

***

## How It Works

When a user views or clicks a TikTok ad and later initiates checkout on your store, Upstack attributes that checkout start to TikTok. Attribution uses TikTok's click ID (ttclid) and view-through tracking within the configured attribution window.

***

## When to Use

| Scenario                  | Action                                                                 |
| ------------------------- | ---------------------------------------------------------------------- |
| Measuring checkout intent | Compare initiate checkouts to completed purchases to identify drop-off |
| Evaluating ad creative    | Analyze which TikTok ads drive the most checkout starts                |
| Funnel optimization       | Calculate the initiate checkout to purchase conversion rate            |
| Campaign comparison       | Compare checkout intent across different TikTok campaign types         |

***

## Related Metrics

| Metric                                                                                                      | Relationship                                       |
| ----------------------------------------------------------------------------------------------------------- | -------------------------------------------------- |
| [TikTok Conversions](/reference/metrics/advertising/tiktok/tiktok-conversions/tiktok-conversions)           | Completed purchases vs. checkout starts            |
| [TikTok Add to Carts](/reference/metrics/advertising/tiktok/tiktok-conversions/tiktok-add-to-carts)         | Earlier funnel stage before checkout               |
| [TikTok Conversion Value](/reference/metrics/advertising/tiktok/tiktok-conversions/tiktok-conversion-value) | Revenue from completed TikTok-attributed purchases |

[See all TikTok Conversions metrics →](/reference/metrics/advertising/tiktok/tiktok-conversions)