> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help-shopify.17track.net/sitemap.xml
> Use this file to discover available pages before exploring further.
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# What is Top-up pack? How to use Top-up pack?

### What is a Top-up Pack and How to Use It?

A Top-up Pack is a paid add-on that provides additional tracking quota. When the quota of your current subscription plan is exhausted, you can purchase a Top-up Pack to acquire extra quota and continue tracking new shipments.
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### What is a Top-up Pack?

A Top-up Pack is additional, paid tracking quota that you can purchase after the original quota in your current subscription billing cycle has been used up.

|| 📌 Note:
|| This feature is available only for users on paid plans (Basic, Pro, or Premium). It cannot be used with custom plans, during trial periods, or on free plans.
|| The validity period of the Top-up Pack quota is aligned with your current plan's billing cycle. Any unused Top-up Pack quota will expire automatically when your plan renews for a new cycle or if you switch to a new plan.


### When Do You Need a Top-up Pack?

When your plan's quota is fully consumed, newly synchronized shipments will fail to track due to "Insufficient Quota." At this point, you can purchase a Top-up Pack to obtain quota and track these affected shipments.

At the top of the **Shipments page**, the system will display the number of shipments not tracked due to insufficient quota. You can choose to **upgrade your plan** or **purchase a Top-up Pack** to resolve this.

| 💡 Tip: To avoid suddenly running out of quota, you can set up a low quota alert in advance. [*How to Set Up an Insufficient Quota Reminder? (Click to view the setup guide)*](https://help-shopify.17track.net/en/article/how-to-set-up-an-insufficient-quota-reminder-rlu66f/?bust=1776250380990)

### How to Purchase a Top-up Pack?

You can purchase a Top-up Pack through either of the following methods:
1. **Quota Reminder Banner**: When your remaining plan quota is **≤ 10%**, a banner prompting the purchase of a Top-up Pack will appear on the **Shipments page**. You can choose to "Upgrade Plan" or click **"Go and buy"** to purchase a Top-up Pack.
2. **Purchase via Billing Page**: You can also go to the **Billing page** at any time and find the **"Purchase a Top-up Pack"** option to proceed.


![](https://storage.crisp.chat/users/helpdesk/website/-/1/c/c/3/1cc3f89e3566e700/image_1ubxy69.png)

![](https://storage.crisp.chat/users/helpdesk/website/-/1/c/c/3/1cc3f89e3566e700/image_6hr0cp.png)

### How is the Top-up Pack Charged?

The unit price for the Top-up Pack is the same as the unit price of your currently subscribed plan.
**For example:**
* If your current annual plan is priced at $86 for 2400 quotas, the Top-up Pack unit price is **$86 ÷ 2400 ≈ $0.036 per quota**.
* If your current monthly plan is priced at $9 for 200 quotas, the Top-up Pack unit price is **$9 ÷ 200 = $0.045 per quota**.

### Purchase Rules & Limits

1. **Unit Price**: Same as your current plan's unit price.
2. **Minimum Purchase Amount**: The total price of a single purchase must be **≥ $0.5** (this is the minimum amount required by the Shopify payment platform).
3. **Purchase Quota Limit**:
* The maximum quota you can purchase in a Top-up Pack is calculated as: **Total quota of the next higher-tier plan - Total quota of your current plan**.
* **Example**: If your current plan is $9 for 200 quotas, and the next higher-tier plan is $14 for 300 quotas, the Top-up Pack quota you can purchase is `300 - 200 = 100 quotas`.
* If you have made multiple purchases, the remaining available quota decreases accordingly. For instance, in the example above, if you have already purchased a Top-up Pack of 10 quotas, the remaining available quota for purchase would be `100 - 10 = 90 quotas`.


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