Companies / Listar / Anthropic
Does Listar use Anthropic?
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.
- The company's privacy policy names it as a processor, controller or partner.
How we know
About Listar
Listar provides a ChatGPT plugin and browser extension that find and verify professional emails and mobile numbers for companies and decision-makers. It serves sales teams and businesses looking to build targeted prospect lists from criteria such as industry, size and region.
Summarized from its homepage on 12 Nov 2026.
What else Listar uses
Listar has evidence for 12 vendors. The strongest:
Amazon Web Services
Google
Hetzner
Mailjet SAS
MongoDB
Stripe
Meta
Other companies using Anthropic
Check any company's vendors in seconds
See Listar'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