Does Arc XP use Splunk?
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 Arc XP
Arc XP is a media platform built inside The Washington Post that includes a CMS, AI tools, and audience and monetization products. It serves news publishers, broadcast station groups, digital-native brands, and B2B trade publishers.
Summarized from its homepage on 7 Nov 2026.
What else Arc XP uses
Arc XP has evidence for 14 vendors. The strongest:
Other companies using Splunk
Check any company's vendors in seconds
See Arc XP'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