21YunBox's tech stack
What does 21YunBox use?
21YunBox (21cloudbox.com) uses at least 7 tools we can see from public records, including Vercel for hosting and OpenAI for AI. Last checked .
“21YunBox is a platform-agnostic overlay that helps global enterprises make their existing sites, apps and APIs work in Mainland China — including enterprise DXP and CMS platforms such as Adobe Experience Manager (AEM), Sitecore, Optimizely and Contentful. The 21YunBox Optimizer improves China access”
- Industry
- Internet
- Size
- 11–50 employees
- Based in
- China
- Company page
- Tools found
- 7
- Categories
- 5
- Layers
- 3 of 5
- Last checked
- Oct 2026
21YunBox'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
Hosting & Cloud
Application
5 tools, what the product is built with
Go-to-market
1 tool, how they find and keep customers
Marketing
21YunBox tech stack FAQ
What tools does 21YunBox use?
As of October 2026, runsonwhat has found 7 tools at 21YunBox (21cloudbox.com) in public records. Edge & Hosting: Vercel. Application: jQuery, YouTube and OpenAI. Last checked October 23, 2026.
What cloud does 21YunBox run on?
21YunBox uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel and code on 21cloudbox.com. Vercel is used by 48,805 companies runsonwhat tracks.
Does 21YunBox use jQuery?
Yes. runsonwhat found jQuery at 21YunBox through jQuery code on 21cloudbox.com. jQuery is a Frontend tool used by 920,255 companies runsonwhat tracks.
Does 21YunBox use AI tools?
Yes. runsonwhat has found OpenAI at 21YunBox; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so 21YunBox may use more AI tools than these.
How does runsonwhat know what 21YunBox uses?
runsonwhat reads public records only. Of the 7 tools at 21YunBox, 3 were found through code on 21cloudbox.com, 2 through DNS records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 21cloudbox.com about 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.