Does Courier use Vercel?
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.
- Its script, DNS record or job board was loaded on the company's live website.
How we know
About Courier
Courier provides a customer messaging and notification platform for orchestrating messages across channels. It serves developers, product teams, and growth teams.
Summarized from its homepage on 3 Nov 2026.
What else Courier uses
Courier has evidence for 19 vendors. The strongest:
Cloudflare
Amazon Web Services
Anthropic
ClickHouse
Datadog
dbt
HubSpot
OpenAI
Other companies using Vercel
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- 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