Does Brew use OpenAI?
Yes
We hold strong evidence for this.
- The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.
How we know
About Brew
Brew provides agentic email marketing software for building and sending on-brand emails and automations. It serves founders and marketing teams.
Summarized from its homepage on 6 Nov 2026.
What else Brew uses
Brew has evidence for 31 vendors. The strongest:
Vercel
Cloudflare
Google Workspace
Braintrust
Clerk
Convex
Datadog
MongoDB
turbopuffer
Upstash
Other companies using OpenAI
Check any company's vendors in seconds
See Brew's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.
- Every company and vendor, with its public source
- 100 API calls a month, plus MCP and the Chrome extension
- Work email only. No card, no sales call