CASI's tech stack
What does CASI use?
CASI (casi-app.com) uses at least 17 tools we can see from public records, including Mailgun for email delivery, Anthropic for AI, Amazon Web Services for hosting and Google Workspace for email and documents. Last checked .
- Industry
- IT Services
- Size
- 11–50 employees
- Based in
- Pretoria, South Africa
- Founded
- 2016
- Company page
- Tools found
- 17
- Categories
- 12
- Layers
- 5 of 5
- Last checked
- Nov 2026
CASI's stack, layer by layer
Of 17 tools, 10 came from website code, 3 from email records, 2 from DNS verification records and 2 from other records. 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
3 tools, where the bytes are served from
Application
5 tools, what the product is built with
Data & Observability
2 tools, what they measure and store
Go-to-market
3 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
4 tools, what the team runs on day to day
CASI tech stack FAQ
What tools does CASI use?
As of November 2026, runsonwhat has found 17 tools at CASI (casi-app.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: jQuery, Font Awesome and GSAP. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Meta Pixel and Mailchimp. Company Ops: Google Workspace, SendGrid and Atlassian. Last checked November 8, 2026.
What cloud does CASI run on?
CASI uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on casi-app.com. Amazon Web Services is used by 147,489 companies runsonwhat tracks.
What email provider does CASI use?
CASI uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on casi-app.com. Google Workspace is used by 420,129 companies runsonwhat tracks.
What analytics tools does CASI use?
CASI uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on casi-app.com. Google Analytics is used by 903,904 companies runsonwhat tracks.
What marketing software does CASI use?
CASI uses Mailchimp for marketing, according to runsonwhat (November 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 119,032 companies runsonwhat tracks.
Does CASI use jQuery?
Yes. runsonwhat found jQuery at CASI through jQuery code on casi-app.com. jQuery is a Frontend tool used by 927,196 companies runsonwhat tracks.
Does CASI use AI tools?
Yes. runsonwhat has found Anthropic at CASI; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so CASI may use more AI tools than these.
How does runsonwhat know what CASI uses?
runsonwhat reads public records only. Of the 17 tools at CASI, 10 were found through code on casi-app.com, 3 through email records, 3 through DNS records 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 casi-app.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.