Does Herald 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 Herald
Herald provides an AI SRE agent that detects potential issues, investigates them across code, infrastructure, and telemetry, and delivers root causes before alerts fire. It serves engineering teams that need incident investigation without writing runbooks or setting alert thresholds.
Summarized from its homepage on 5 Nov 2026.
What else Herald uses
Herald has evidence for 11 vendors. The strongest:
Google Workspace
Elasticsearch
Google Cloud
PlanetScale
Slack
Cloudflare
Google Tag Manager
Vercel
Amplitude
Other companies using OpenAI
Check any company's vendors in seconds
See Herald'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