Test IO's tech stack
What does Test IO use?
Test IO (test.io) uses at least 13 tools we can see from public records, including Microsoft 365 for email and documents, Zendesk for customer support, Mailchimp for marketing and Atlassian Statuspage for monitoring. Last checked .
- Industry
- IT Services
- Size
- 5,001–10,000 employees
- Based in
- Berlin, Germany
- Founded
- 2011
- Company page
- Tools found
- 13
- Categories
- 8
- Layers
- 4 of 5
- Last checked
- Oct 2026
Test IO's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
1 tool, where the bytes are served from
CDN & Edge
Data & Observability
1 tool, what they measure and store
Monitoring
Go-to-market
3 tools, how they find and keep customers
Support & Docs
Company Ops
8 tools, what the team runs on day to day
Email Delivery
Dev Tools
Security & Compliance
Test IO tech stack FAQ
What tools does Test IO use?
We've found 13 tools at Test IO (test.io). Edge & Hosting: Cloudflare. Data & Observability: Atlassian Statuspage. Go-to-market: Mailchimp and Zendesk. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 3, 2026.
What email provider does Test IO use?
Test IO uses Microsoft 365, Google Workspace and Apple Business for email and documents. We found Microsoft 365 through email records.
What does Test IO use for customer support?
Test IO uses Zendesk for customer support. We found Zendesk through email records.
What marketing software does Test IO use?
Test IO uses Mailchimp for marketing. We found Mailchimp through email records.
Does Test IO use Microsoft 365?
Yes. We found Microsoft 365 at Test IO through email records. Microsoft 365 is used by 692,926 companies we track.
How does runsonwhat know what Test IO uses?
We read public traces only: Test IO's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.