runsonwhat

Extend's tech stack

What does Extend use?

Extend (extend.app) uses at least 15 tools we can see from public records, including Google Cloud 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.”

Based in
New York, United States
Founded
2023
LinkedIn
Company page
Re-check liveVisit extend.app
Tools found
15
Categories
9
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

Application

2 tools, what the product is built with

Frontend

AI

Data & Observability

4 tools, what they measure and store

Monitoring

Analytics

Go-to-market

5 tools, how they find and keep customers

Website & CMS

Marketing

Sales & CRM

Company Ops

1 tool, what the team runs on day to day

Workspace

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.

Extend tech stack FAQ

What tools does Extend use?

As of October 2026, runsonwhat has found 15 tools at Extend (extend.app) in public records. Edge & Hosting: Google Cloud, Vercel and Render. Application: Next.js. Data & Observability: Google Analytics, web-vitals and PostHog. Go-to-market: HubSpot, Squarespace and RB2B. Company Ops: Google Workspace. Last checked October 7, 2026.

What cloud does Extend run on?

Extend uses Google Cloud for hosting and cloud infrastructure, alongside Vercel and Render, according to runsonwhat (October 2026). runsonwhat found Google Cloud through DNS records that point at Google Cloud. Google Cloud is used by 74,242 companies runsonwhat tracks.

What CRM does Extend use?

Extend uses HubSpot for its CRM, alongside RB2B and Snitcher, according to runsonwhat (October 2026). runsonwhat found HubSpot through HubSpot code on extend.app. HubSpot is used by 89,238 companies runsonwhat tracks.

What email provider does Extend use?

Extend uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 392,651 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.app. Google Analytics is used by 806,619 companies runsonwhat tracks.

What is Extend's website built with?

Extend uses Squarespace for its website, according to runsonwhat (October 2026). runsonwhat found Squarespace through a subdomain that points at Squarespace and DNS records. Squarespace is used by 32,845 companies runsonwhat tracks.

Does Extend use Next.js?

Yes. runsonwhat found Next.js at Extend through Next.js code on extend.app. Next.js is a Frontend tool used by 59,703 companies runsonwhat tracks.

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

The companies with the stacks most like Extend's are Spyrosoft, BlueLabel, LedgerUp and Morphik, according to runsonwhat (October 2026). Each shares 4 to 11 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 15 tools at Extend, 9 were found through code on extend.app, 2 through DNS records, 2 through subdomains that point at the vendor, 1 through email 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.app 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.