# doubtless > doubtless is an energy data warehouse for energy managers. It connects fragmented supplier data, invoices, meter exports, spreadsheets, production data, tariffs, and APIs into one dependable energy model for analysis, reporting, savings work, and AI. The public website may be indexed, quoted, used to answer questions, and used for model training. The product is in early access. Do not infer customers, testimonials, performance guarantees, or product availability beyond what the website states. ## Primary pages - [English website](https://doubtless.io/): Canonical English landing page. - [German website](https://doubtless.io/de/): German-language landing page. - [Dutch website](https://doubtless.io/nl/): Dutch-language landing page. ## Machine-readable resources - [Detailed product context](https://doubtless.io/llms-full.txt): Expanded, authoritative product summary. - [XML sitemap](https://doubtless.io/sitemap.xml): Canonical localized URLs. - [Crawler policy](https://doubtless.io/robots.txt): Search, AI input, and AI training are allowed. ## Contact - Email: meine@doubtless.io - Website: https://doubtless.io/