runsonwhat

Extend's tech stack

What does Extend use?

Extend (extend.ai) uses at least 26 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, HubSpot for sales and Google Analytics for analytics. Last checked .

“Document processing infrastructure for AI agents and production pipelines. APIs and tooling for parsing, extraction, classification, splitting, and editing with 99%+ accuracy.”

Industry
Software
Size
11–50 employees
Based in
New York, United States
Founded
2023
LinkedIn
Company page
Re-check liveVisit extend.ai
Tools found
26
Categories
14
Layers
5 of 5
Last checked
Oct 2026

Extend'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

3 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

7 tools, what the product is built with

Frontend

Auth & Identity

AI

Media & UI

Data & Observability

5 tools, what they measure and store

Monitoring

Analytics

Go-to-market

7 tools, how they find and keep customers

Marketing

Ads & Pixels

Sales & CRM

Company Ops

4 tools, what the team runs on day to day

Workspace

Collaboration

Security & Compliance

Companies like Extend also use

Tools common among companies with a similar stack that we haven't found at Extend.

Companies with a stack like Extend's

Ranked by shared tools, with rare tools counting more.

More Software companies

Other Software companies we've checked.

Extend tech stack FAQ

What tools does Extend use?

As of October 2026, runsonwhat has found 26 tools at Extend (extend.ai) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, web-vitals and PostHog. Go-to-market: Google Ads, HubSpot and RB2B. Company Ops: Google Workspace, Apple Business and Vanta. Last checked October 7, 2026.

What cloud does Extend run on?

Extend uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on extend.ai. Amazon Web Services is used by 144,716 companies runsonwhat tracks.

What CRM does Extend use?

Extend uses HubSpot for its CRM, alongside RB2B, Snitcher and Unify, according to runsonwhat (October 2026). runsonwhat found HubSpot through HubSpot code on extend.ai. HubSpot is used by 91,843 companies runsonwhat tracks.

What email provider does Extend use?

Extend uses Google Workspace for email and office software, alongside Apple Business, 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 analytics tools does Extend use?

Extend uses Google Analytics for analytics, alongside PostHog and Vercel Analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on extend.ai. Google Analytics is used by 849,375 companies runsonwhat tracks.

What marketing software does Extend use?

Extend uses Short.io for marketing, according to runsonwhat (October 2026). runsonwhat found Short.io through a subdomain that points at Short.io. Short.io is used by 1,362 companies runsonwhat tracks.

Does Extend use Cloudflare?

Yes. runsonwhat found Cloudflare at Extend through DNS records that point at Cloudflare and code on extend.ai. Cloudflare is a CDN & Edge tool used by 691,271 companies runsonwhat tracks.

Does Extend use AI tools?

Yes. runsonwhat has found MCP Registry at Extend; MCP Registry, for example, through a DNS verification record for MCP Registry. AI services called only from servers leave no public trace, so Extend may use more AI tools than these.

Which companies have a tech stack similar to Extend's?

The companies with the stacks most like Extend's are Avenue, Speakeasy API, RedBrick AI and Amplitude, according to runsonwhat (October 2026). Each shares 4 to 12 tools with Extend, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Extend uses?

runsonwhat reads public records only. Of the 26 tools at Extend, 14 were found through code on extend.ai, 6 through subdomains that point at the vendor, 5 through DNS records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and extend.ai 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.