Stamps.com Inc. provides an online platform that enables users to buy, calculate, and print postage and shipping labels for various carriers. The company offers services such as discounted postage rates, on-demand printing of shipping labels and stamps, scheduling of free package pickups, and management of mailing and shipping operations through a unified interface. Users can track packages, assign cost codes for postage spending, and access customizable stamps, shipping labels, and envelopes. Additional resources include advertising templates and customer support via phone, email, or chat. The platform does not require additional hardware or leases and is accessible from any device, supporting integration with carriers, ecommerce platforms, and technology providers. The company serves business owners, accounting firms, real estate firms, educational institutions, financial institutions, clients with multiple locations, and those requiring compliance for time-sensitive legal documents. The company was founded in 1998 and is based in El Segundo, California.