# One Body Chicago > Fitness center offers efficient EMS technology that delivers noticeable results in just 20 minutes. Personal training sessions combine advanced equipment with clear, transparent guidance. Atmosphere feels upbeat and engaging, boosted by humorous staff. Source: https://www.atly.com/location/OneBodyChicago - Address: 229 S Jefferson St, Chicago, Illinois, United States - Phone: +13129534998 - Website: https://www.onebodychicago.com/ ## What people say - "I felt so sore after this weight lifting gym workout." ## Good to know - The gym is located just a block away from Union Station. - Bathrooms and showers are well-maintained and clean. - Personal training sessions are efficient, lasting only 20 minutes. - The EMS technology used in training is effective and noticeable. - Workouts are designed to save time while delivering great results. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.