b12.io valid
B12: AI Website and Web App Builder
B12 is an AI builder and vibe-coding platform for websites, online stores,
- Authority
- 54 reach 13 · trust 5 · quality 21 · freshness 15
- Tier
- listed
- llms.txt
- https://www.b12.io/llms.txt
- Sections
- 7
- Links
- 73
- Size
- 11496 bytes
- Popularity rank
- #52608
- Country
- United States
- Categories
- Developer tools · AI and machine learning · Ecommerce
- For agents
- Transactional: buying or booking an agent could carry out
- First seen
- 2026-10-18T15:08:54.699Z
- Last checked
- 2026-10-22T17:10:14.080Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-22T17:10:11.403Z. Cached copy · Source on b12.io
# B12: AI Website and Web App Builder
> B12 is an AI builder and vibe-coding platform for websites, online stores,
> and web apps. Describe what you want in plain language and B12's AI Agent
> builds it, backend included: user logins, databases, payments, and
> bookings, running on Supabase. Then keep improving it in chat or edit it
> yourself. Over 4 million websites have been built on B12. People use it for
> portfolios, personal projects, online stores, client portals, and
> lightweight apps, with built-in tools for SEO, scheduling, email marketing,
> and contracts.
## Key Pages
- [Homepage](https://www.b12.io/): Describe your idea and launch a website, store, or web app in minutes
- [AI Website Builder](https://www.b12.io/ai-website-builder/): Generate a complete, professional website with AI
- [AI Website Prompt Gallery](https://www.b12.io/ai-website-prompt-gallery/): Browse and remix AI-generated websites, stores, and apps
- [Business website templates](https://www.b12.io/ai-website-prompt-gallery/business/): Business website templates for consultants, law firms, agencies and accountants
- [Personal website templates](https://www.b12.io/ai-website-prompt-gallery/personal/): Personal website templates for résumés, blogs, writers, musicians and link-in-bio pages
- [HVAC and home service website templates](https://www.b12.io/ai-website-prompt-gallery/home-services/): HVAC, plumbing, cleaning, landscaping and handyman website templates
- [Event website templates](https://www.b12.io/ai-website-prompt-gallery/events/): Event website templates for conferences, festivals, weddings and community events
- [Nonprofit website templates](https://www.b12.io/ai-website-prompt-gallery/nonprofits/): Nonprofit website templates for charities, animal rescues and churches
- [Construction website templates](https://www.b12.io/ai-website-prompt-gallery/construction/): Construction website templates for contractors, builders, roofers and remodelers
- [Travel website templates](https://www.b12.io/ai-website-prompt-gallery/travel/): Travel website templates for agencies, hotels, B&Bs, vacation rentals and travel blogs
- [Pricing](https://www.b12.io/pricing/): DIY plans (Free, Website, Website + Client Engagement) and Expert plans with B12's team
- [Product Overview](https://www.b12.io/product-overview/): Full feature overview of B12's platform
- [How It Works](https://www.b12.io/how-it-works/): The three-step build process: describe, generate, launch
- [AI App Builder](https://www.b12.io/ai-app-builder/): Build a working web app by chatting with AI, with logins, databases, payments, and bookings built in
- [No-Code App Builder](https://www.b12.io/no-code-app-builder/): Describe the app you want and B12 builds it, no code needed
- [Backends](https://www.b12.io/backends/): Add user accounts, a database, payments, and connections to tools like Stripe to any site, just by asking
## Products
### Websites
AI-generated websites with on-page SEO, blogging, third-party
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Machine-readable: GET /v1/resolve?q=b12.io · GET /v1/domain/b12.io · this page as Accept: application/json or text/markdown · MCP lookup_domain
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