After submitting your box content, click the "Prep & Ship" button to finalize your shipment by providing all necessary details and selecting a shipping method (LTL or SPD, Amazon Partnered, or your own carrier).
Please avoid converting your shipments to STA (Send to Amazon) on Seller Central. If you do so, you will face the following issues:
You will lose the ability to edit your shipment within Shipyard.
You will need to enter your box content information again on Seller Central, causing delays and potential errors.
When you are posed with the below question on Seller Central, please make sure to choose "Keep as API shipment".
By completing your shipments within Shipyard, you can streamline the process and avoid unnecessary complications. Thank you for your cooperation and continued support.
Best regards,