When booking orders with Whistl, each service and carrier has specific limits on the maximum package dimensions that can be accepted. These limits vary depending on the carrier and service being used.
Attached is a list of PDF files for each carrier available through Whistl. These documents contain the maximum package dimensions permitted for each carrier/service.
Adding Package Dimensions to the Whistl Integration
The maximum dimensions for each package size need to be added to the Whistl integration so that the correct limits are applied when booking orders.
To add or update the package dimensions:
- Go to Carriers.
- Select Whistl.
- Open Advanced Settings.
- Scroll down to the Package Sizes section.
- Review each available package size.
- Enter the maximum length, width, and height permitted for the relevant carrier/service, using the limits provided in the corresponding PDF.
- Repeat this for each package size and carrier/service where applicable.
- Save the changes once all dimensions have been entered.
The dimensions must be entered accurately, as exceeding the maximum dimensions allowed by a carrier may result in the order failing to book
If you encounter any issues, please feel free to contact our support team. You can call us on 0117 403 4313 (UK) / +1 (629) 666-6726 (US) or reach us online here.