> For the complete documentation index, see [llms.txt](https://help.nightfall.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.nightfall.ai/developer-api/faqs/pricing_model.md). # What is the pricing model? We offer a free tier that allows you to sign up and start using Firewall for AI with zero upfront costs or commitments. This tier provides a generous data scanning capacity and access to all the core features. We offer enterprise pricing plans for advanced requirements such as higher data volumes, custom rate limits, and dedicated support. \ \ [More information on pricing...](/developer-api/introduction/pricing.md) Contact our team at or via the contact form on our website to discuss your specific needs and get a tailored pricing quote.