Xanax (Alprazolam) is a benzodiazepine medication used to treat anxiety and panic disorders. It works by slowing down the central nervous system, which can produce a calming effect. Xanax is a prescription drug, but it can be purchased online from a variety of sources.One of the most convenient ways to buy Xanax online is through a fast checkout service. These services allow you to quickly and easily place an order for Xanax without having to go through a lengthy checkout process. Fast checkout services typically require you to provide your name, address, and payment information. Once you have provided this information, you can simply click a button to place your order.