Caddy tech stack
Caddy is a proactive AI assistant you text like a friend. It lives in iMessage or SMS, watches your calendar, email, and chats, and texts you first when something needs attention. No app to download. From ex-Loom founders (YC F25), now in public beta.
caddy.app ↗Checked Oct 2026
Foundation
On its website: HTTP: caddy.app responds with x-powered-by: Next.js; HTTP: www.caddy.app responds with x-powered-by: Next.js source · Oct 2026 ↗
In its subprocessor list: Supabase | Database and authentication infrastructure | Application database storage and authentication data | United States source · Oct 2026 ↗
AI in the product
In its subprocessor list: Anthropic | AI model provider | Prompts and contextual inputs used to generate AI outputs | United States source · Oct 2026 ↗
In its subprocessor list: OpenAI | AI model provider | Prompts and contextual inputs used to generate AI outputs | United States source · Oct 2026 ↗
Shipping
In its subprocessor list: Amazon Web Services (AWS) | Cloud hosting and managed access to AI models | Application infrastructure, storage, and prompts routed to hosted AI models | United States source · Oct 2026 ↗
Growth
In its subprocessor list: Loops | Lifecycle and transactional email delivery | Email address and communication preferences | United States source · Oct 2026 ↗
In its subprocessor list: PostHog | Product analytics and feature flagging | Usage analytics and product interaction data | United States source · Oct 2026 ↗
Built on a similar stack
Products that share the most distinctive building blocks with Caddy.
LiveDocsThe general data agent
4 shared
SupavecThe open source RAG as a Service.
4 shared
PageOn.aiCursor for visual communication, beyond slides
4 shared
FetchSandboxAPI integration testing that remembers what breaks5 shared
AnythingAgent that ships mobile apps & web. Everything built in5 shared
ArrangeYour AI-powered planning copilot3 shared