Does Buildkite use Plain?
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 Buildkite
Buildkite provides a CI/CD platform with pipelines, test optimization, package registries, and self-hosted or hosted agents. It serves software teams and developers managing builds, tests, and deployments.
Summarized from its homepage on 3 Nov 2026.
What else Buildkite uses
Buildkite has evidence for 20 vendors. The strongest:
Other companies using Plain
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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