RoasterTools loves ShipStation, and its smallest plan at $9 per month is a steal. Coupled with RoasterTools, you'll be able to automate many of the tedious tasks around shipping.
Here's the link to sign up if you haven't already: www.shipstation.com (this is a referral link)
Once you've signed up, you'll need to create your API keys inside of ShipStation. Click here to read how to generate these special keys inside of ShipStation.
After you've done that, return to RoasterTools and click Your Name > Integrations and select the ShipStation integration. Copy and paste the "API key" and "API secret" from ShipStation into RoasterTools, and click "Connect".
Once the screen refreshes, you'll see a list of stores inside of ShipStation. If you haven't connected any stores, such as your ecommerce platform, don't worry - you can refresh the list at any point.
If you're ecommerce store is available, select it as an "Import store" and click "Update Settings". If your products have been created inside of RoasterTools, you can now follow this help article to update SKUs on your ecommerce platform so that RoasterTools can successfully import orders.
In addition to the import store, you'll also need to create an additional store in ShipStation. You can follow this help article on how to create these RoasterTools specific stores inside of ShipStation.