# SMB Listings > Search business-for-sale listings from public marketplaces and broker sites through one REST API and MCP server for AI agents. Asking price, revenue, cash flow and multiples, normalized. Pay per request; 250 free credits. SMB Listings aggregates public business-for-sale listings (websites, SaaS, ecommerce, and more) from public marketplaces and broker sites, normalizes asking price, annual revenue and cash flow to USD, and serves them through a REST API and an MCP server. Use it to find businesses to buy, monitor new listings, and compare valuation multiples by industry. ## Docs - [API and MCP documentation](https://smblistings.ai/docs): authentication, credits, endpoints, listing fields, MCP setup - [OpenAPI spec](https://smblistings.ai/openapi.json): machine-readable REST API definition - [Full docs for LLMs](https://smblistings.ai/llms-full.txt): everything in one file, plus current market statistics by industry ## Data - [Businesses for sale by industry](https://smblistings.ai/businesses-for-sale): listing counts, median asking price and median price-to-cash-flow multiple per industry ## Optional - [Sign up](https://smblistings.ai/sign-in?mode=sign-up): 250 free credits, no card