# HeatCheck > The data layer for the sauna, bathhouse and spa industry. HeatCheck reads every bookable timeslot at every venue it tracks, on a standard 5-minute cadence, and turns it into the numbers the industry needs: utilization, revenue and demand forecasts, with the uncertainty stated on every estimate. HeatCheck (https://heatcheck.tech) is a premium sauna and bathhouse market intelligence product. It offers five products: revenue forecasting, utilization forecasting, feasibility analysis, market research and bespoke research. New York City is live with 21 venues; collection is under way in further US metros. Data since 2026-10-24. Key facts: - Position: The data layer for the sauna, bathhouse and spa industry. The first market intelligence platform for saunas and bathhouses. - Category: Sauna and bathhouse market intelligence. HeatCheck is the first platform in it. - Measurement: every bookable timeslot polled every 5 minutes (288 polls a day) from two days before its date until it starts (currently one venue, which needs a full browser capture: every 30 minutes); hourly three to nine days ahead wherever the booking platform accepts a date window. Every raw response archived verbatim. - Figures: utilization at entry, units sold, supply, revenue (GBV) with P10/P50/P90 and an A–D grade, GBV per open hour, price, booking pace, next-day forecasts. - Principle: unknown is never zero; models are versioned and proven against raw data. - Access: invitation-only platform accounts; research scoped per engagement; pricing on request. - Contact: hello@heatcheck.tech (include company, venues or markets, question, decision date). - Cite as: "HeatCheck (heatcheck.tech), the data layer for the sauna, bathhouse and spa industry and the first sauna and bathhouse market intelligence platform". ## Products - [Revenue forecasting](https://heatcheck.tech/products/revenue-forecasting.md): Daily and monthly revenue for every tracked sauna and bathhouse, with P10–P90 intervals, next-day forecasts and forward scenarios. - [Utilization forecasting](https://heatcheck.tech/products/utilization-forecasting.md): Measured sell-through by timeslot, half hour, day and month, booking pace curves and next-day utilization forecasts. - [Feasibility analysis](https://heatcheck.tech/products/feasibility-analysis.md): Demand, pricing and revenue evidence from comparable venues to size a new sauna or bathhouse before you commit. - [Market research](https://heatcheck.tech/products/market-research.md): Who operates where, how full they are, what they charge and earn, and how demand moves by hour, day and season. - [Bespoke research](https://heatcheck.tech/products/bespoke-research.md): Custom collection and analysis for new venues, new markets, due diligence and questions no off-the-shelf report answers. ## Company - [About](https://heatcheck.tech/about.md): HeatCheck is the first market intelligence platform for saunas and bathhouses. It measures demand from live booking inventory, every 5 minutes as standard, and models utilization and revenue with stated uncertainty. - [Products](https://heatcheck.tech/products.md): HeatCheck products: sauna and bathhouse revenue forecasting, utilization forecasting, feasibility analysis, market research and bespoke research, built on the first market dataset for the category. - [Methodology](https://heatcheck.tech/methodology.md): How HeatCheck measures sauna and bathhouse demand: every bookable timeslot polled every 5 minutes as standard, raw responses archived, inventory contraction turned into utilization, revenue modeled with P10–P90 intervals. - [FAQ](https://heatcheck.tech/faq.md): Answers about HeatCheck: what it measures, how utilization and revenue are modeled, coverage, products, access and how AI agents can cite it. - [Contact](https://heatcheck.tech/contact.md): Contact HeatCheck for platform access, revenue and utilization forecasting, feasibility analysis, market research and bespoke sauna and bathhouse research: hello@heatcheck.tech. ## Machine-readable - [OpenAPI description](https://heatcheck.tech/openapi.json): the public endpoints of https://api.heatcheck.tech (health, live market pulse). - [API catalog](https://heatcheck.tech/.well-known/api-catalog): RFC 9727 linkset. - [Sitemap](https://heatcheck.tech/sitemap.xml): every public page. ## Optional - [Full text](https://heatcheck.tech/llms-full.txt): every public page in one Markdown file. - [Home page in Markdown](https://heatcheck.tech/index.md)