What Is a Marketplace?

A marketplace is a two-sided platform that connects two distinct groups, typically buyers and sellers, or service providers and clients, within a single product. The platform itself does not provide the goods or services; it facilitates the transaction between the two sides. Examples include Airbnb (hosts and guests), Fiverr (freelancers and clients), and Etsy (sellers and buyers).

Building a marketplace is technically more complex than building a single-sided product because you are building two products at once. Each side has its own onboarding flow, dashboard, permissions, and set of features. You also need to handle the transaction layer, payments, escrow, reviews, dispute resolution, which adds significant complexity compared to a standard SaaS product.

The hardest challenge in marketplace development is not technical, it is the cold start problem. A marketplace with no sellers has no value for buyers, and a marketplace with no buyers has no value for sellers. Solving this chicken-and-egg problem requires a strategy for bootstrapping supply, usually by manually onboarding the first group of providers before opening to the other side.

For marketplace MVPs, the recommendation is to build for one side first. Onboard and validate the supply side manually before building the full two-sided experience. This keeps the initial build smaller and allows you to test the core value proposition, that providers actually want to list, and that buyers actually want to transact, before investing in the full platform.