# ShipStation
### Connection
When you're setting up your first workflow with ShipStation, you'll need to add your **Key** and **Secret** so that ShipStation is a connected app within MESA.
To locate the **Key** and **Secret**, you can click on **Settings** (gear icon), on the top right hand corner in the ShipStation dashboard.
Then, click on **Account** and then **API Settings**. You will locate your existing API Key there or you can click to generate an API Key.
Copy the value next to **API Key** and paste it into the **Key** field in MESA.
Copy the value next to **API Secret** and paste it into the **Secret** field in MESA.
Lastly, click on **Add Connection** and then you are all set!
### Configuration
#### Select the Store ID field
For some **ShipStation** actions in MESA, including **Create Order**, **Update Order**, **Create Label for Order** and **Create Label for Shipment**, you will need to fill in the **Store ID** field. This ensures that the order / label is assigned to a specific Shopify store configured in your **ShipStation** account.
First, please ensure that you have [connected ShipStation with MESA](#connect). Then, locate the **More options** button and click it. Select the **Store** checkbox and choose a Store from the drop-down menu. Make sure to save your changes!
### I don't see my ShipStation workflow activating when I update something in ShipStation?
MESA workflows that contain ShipStation [Triggers](https://docs.getmesa.com/workflow-builder/triggers) (such as **Shipment Created**) will run on a polling system. Meaning, on every hour or whatever the selected frequency is selected in your MESA workflow, MESA will look for any recent activity in ShipStation. As a result, you may not see immediate activity in your MESA workflow until the frequency hits.
In ShipStation triggers, you can find the polling system (Schedule) under **More options**. You can keep the default frequency or adjust it.
Once the frequency hits, MESA will process every single task that has accrued within the previous timeframe.
{% hint style="info" %}
Please note that available frequencies will differ depending on your MESA billing plan.
{% endhint %}
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