Integration of OpenCart with Omniva International Shipping
Omniva International Shipping extension for your OpenCart online store. Allows you to set up shipping to all available countries, international shipments. This extension automatically calculates shipping costs depending on the weight and delivery location.
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Omniva is the national postal operator of Estonia, operating in the Baltic States: Estonia, Latvia and Lithuania. Omniva is engaged in international shipping and cooperates with other logistics operators to ensure delivery to other countries.
We have developed a simple Omniva International shipping module for OpenCart, into which you can import a table of international shipping rates received from Omniva. Based on these rates and the weight of the order, the cost and delivery time are determined. You can also change the shipping cost in an Excel file and import this data into the module.
Omniva International is an extension that will allow your online store to reach a new level of service and expand the geography of sales.
The Omniva International extension is not intended for local or courier delivery, does not allow you to select post terminals and does not generate shipping labels.
Price lists with international shipping rates can be downloaded in PDF format on the official Omniva website. We have converted these files into Excel spreadsheet format so that their data can be imported into the extension, and we provide you with examples of Excel files with international shipping rates for business clients as of 2024 for each of the countries: Estonia, Latvia, Lithuania. We recommend that you compare the rates in the files we provide with the current rates on the Omniva website. If the rates have changed, you need to download a new price list from the Omniva website and convert the PDF to an Excel spreadsheet, using the sample we provided. You can only import new rates into the extension using an Excel file.
Extension installation instructions:
Upload the module in the admin panel in the "Extensions" : "Install".
Go to the "Extensions" : "Extensions" : "Shipping" and enable the module.
Edit module. Download an excel file with international shipping prices from your country and import it into the module. Enable the status and adjust all its options to your needs and save the settings.
Check extension operation.
Changelog Omniva International
v1.0.1 (29 September 2025) - Fixed an issue with layout crash when viewing orders
The issue occurs because the payment_method field in the oc_order table has a length limit of 128 characters. If you add an image to the shipping method name, the tag code is appended to the name, and as a result, the shipping method may not fit within the limit. All unnecessary attributes from the image have already been removed, but we still recommend increasing the length of the oc_order.payment_method field from 128 to 255 characters if the issue continues to occur.
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