what does fba stand for in amazon stands for Fulfillment by Amazon, a service where Amazon stores inventory, picks, packs, and ships orders on behalf of sellers. This model simplifies e-commerce logistics and offers advantages like Prime shipping, enhanced customer trust, and reduced operational overhead. FBA sellers must ship their products to Amazon’s warehouses and follow strict packaging and labeling guidelines. In exchange, Amazon handles returns and customer service. This model is ideal for scalable operations and is one of the most popular selling methods on the platform.