EcommerceBytes-NewsFlash, Number 2642 - September 30, 2011     3 of 3

Amazon Asks FBA Sellers and Developers to Migrate to MWS

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Ecommerce firms jumped on the Web Services bandwagon a few years ago, creating streamlined ways for developers to integrate with their platforms, and now there's a push to consolidate their various web services. Amazon is no exception as it moves developers into its MWS Marketplace Web Service, which it launched last year. MWS gives sellers the ability to exchange listing and sales data with Amazon, and allows them to create applications for uploading inventory to Amazon, change quantities and prices, download orders, and upload shipping confirmations.

Amazon recently told developers and sellers who use Amazon FWS (Fulfillment Web Service) to integrate directly with the FBA system that they would have to change to using Amazon MWS next year. Effective June 2012, Amazon Services will no longer support Amazon FWS, and all functions and services currently supported by Amazon FWS are currently available through Amazon MWS. (See more information on this page.)

Amazon had launched FWS in 2008 with APIs that gave merchants the ability to create and send shipments to an Amazon fulfillment center and to ship products from Amazon fulfillment centers to their customers.

The Amazon MWS team developed an FWS to MWS Fulfillment Migration Guide to help sellers with the transition.


About the author:

Ina Steiner is co-founder and Editor of EcommerceBytes and has been reporting on ecommerce since 1999. She's a widely cited authority on marketplace selling and is author of "Turn eBay Data Into Dollars" (McGraw-Hill 2006). Her blog was featured in the book, "Blogging Heroes" (Wiley 2008). Follow her on Twitter at @ecommercebytes and send news tips to ina@ecommercebytes.com.


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