Rex AI Ltd's tech stack
What does Rex AI Ltd use?
Rex AI Ltd (rex.inc) uses at least 16 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, Mintlify for customer support and Google Analytics for analytics. Last checked .
“Rex is the AI operations partner for order-to-cash. Its agents run accounts receivable for global enterprises, covering every account and resolving exceptions before cash gets stuck.”
- Industry
- Finance and Accounting
- Size
- 1–10 employees
- Based in
- Mildenhall, United Kingdom
- Founded
- 2024
- Company page
- Tools found
- 16
- Categories
- 11
- Layers
- 5 of 5
- Last checked
- Oct 2026
Rex AI Ltd'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
4 tools, where the bytes are served from
Application
4 tools, what the product is built with
Auth & Identity
Data & Observability
4 tools, what they measure and store
Go-to-market
2 tools, how they find and keep customers
Marketing
Support & Docs
Company Ops
2 tools, what the team runs on day to day
Workspace
Security & Compliance
Companies like Rex AI Ltd also use
Tools common among companies with a similar stack that we haven't found at Rex AI Ltd.
Companies with a stack like Rex AI Ltd's
Ranked by shared tools, with rare tools counting more.
TesterArmyEngineering, Product and Design · 1–10 people11in common
The Context Company Technologies Inc.Engineering, Product and Design · 1–10 people7in common
CohesionFinance and Accounting · 1–10 people3in common
Levocred AIFintech · 1–10 people6in common
RulebaseOperations · 1–10 people5in common
AsteroidB2B · 1–10 people6in common
Finosu, Inc.Credit and Lending · 1–10 people8in common
AlterSecurity · 1–10 people6in common
More Finance and Accounting companies
Other Finance and Accounting companies we've checked.
Rex AI Ltd tech stack FAQ
What tools does Rex AI use?
As of October 2026, runsonwhat has found 16 tools at Rex AI (rex.inc) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and web-vitals. Go-to-market: Mintlify. Company Ops: Google Workspace and Oneleet. Last checked October 16, 2026.
What cloud does Rex AI run on?
Rex AI uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 144,713 companies runsonwhat tracks.
What email provider does Rex AI use?
Rex AI uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through a DNS verification record for Google Workspace and email records. Google Workspace is used by 396,627 companies runsonwhat tracks.
What does Rex AI use for customer support?
Rex AI uses Mintlify for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Mintlify through a subdomain that points at Mintlify. Mintlify is used by 1,078 companies runsonwhat tracks.
What analytics tools does Rex AI use?
Rex AI uses Google Analytics for analytics, alongside Google Tag Manager and PostHog, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on rex.inc. Google Analytics is used by 849,272 companies runsonwhat tracks.
What does Rex AI use for login and identity?
Rex AI uses WorkOS for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found WorkOS through a subdomain that points at WorkOS. WorkOS is used by 556 companies runsonwhat tracks.
Does Rex AI use Cloudflare?
Yes. runsonwhat found Cloudflare at Rex AI through Cloudflare code on rex.inc. Cloudflare is a CDN & Edge tool used by 691,239 companies runsonwhat tracks.
Which companies have a tech stack similar to Rex AI's?
The companies with the stacks most like Rex AI's are TesterArmy, The Context Company Technologies, Cohesion and Levocred AI, according to runsonwhat (October 2026). Each shares 3 to 11 tools with Rex AI, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Rex AI uses?
runsonwhat reads public records only. Of the 16 tools at Rex AI, 8 were found through code on rex.inc, 5 through subdomains that point at the vendor and 3 through DNS records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and rex.inc 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.