runsonwhat

Chkk's tech stack

What does Chkk use?

Chkk (chkk.io) uses at least 29 tools we can see from public records, including Google Cloud for hosting, Zoho for sales, Zendesk for customer support and PostHog for analytics. Chkk has used Auth0 since Mar 2021, going by certificate records. Last checked .

Industry
Software
Size
11–50 employees
Based in
Sunnyvale, United States
Founded
2021
LinkedIn
Company page
Re-check liveVisit chkk.io
Tools found
29
Categories
19
Oldest proven tool
Mar 2021
Last checked
Nov 2026

Chkk's stack, layer by layer

Of 29 tools, 10 came from website code, 8 from custom domain, 7 from DNS verification records and 4 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

5 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

6 tools, what the product is built with

Frontend

Auth & Identity

Backend & Database

AI

Payments & Billing

Media & UI

Data & Observability

4 tools, what they measure and store

Monitoring

Analytics

Go-to-market

6 tools, how they find and keep customers

Website & CMS

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

8 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Security & Compliance

What changed at Chkk

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Auth0
  2. Vercel
  3. Netlify
  4. Atlassian Statuspage
  5. Vanta
  6. Zendesk
  7. Zoho

Companies like Chkk also use

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

Companies with a stack like Chkk's

Ranked by shared tools, with rare tools counting more.

More Software companies

Other Software companies we've checked.

Chkk tech stack FAQ

What tools does Chkk use?

As of November 2026, runsonwhat has found 29 tools at Chkk (chkk.io) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: jQuery, Google Fonts and Auth0. Data & Observability: Google Analytics, Google Tag Manager and PostHog. Go-to-market: Google Ads, LinkedIn Insight Tag and Zoho. Company Ops: Microsoft 365, Google Workspace and Amazon SES. Last checked November 8, 2026.

What cloud does Chkk run on?

Chkk uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, Vercel and Netlify, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on chkk.io. Amazon Web Services is used by 147,662 companies runsonwhat tracks.

What CRM does Chkk use?

Chkk uses Zoho for its CRM, alongside RB2B, according to runsonwhat (November 2026). runsonwhat found Zoho through a subdomain that points at Zoho, and Chkk has used it since at least August 2024. Zoho is used by 65,607 companies runsonwhat tracks.

What email provider does Chkk use?

Chkk uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 737,870 companies runsonwhat tracks.

What does Chkk use for customer support?

Chkk uses Zendesk for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk, and Chkk has used it since at least December 2023. Zendesk is used by 43,837 companies runsonwhat tracks.

What payment provider does Chkk use?

Chkk uses Paddle for payments and billing, according to runsonwhat (November 2026). runsonwhat found Paddle through a DNS verification record for Paddle. Paddle is used by 490 companies runsonwhat tracks.

How long has Chkk used Auth0?

Chkk has used Auth0 since at least March 2021, going by the first public certificate of the chkk.io subdomain that points at Auth0. Other long-running tools at Chkk include Vercel (since March 2021), Netlify (since December 2022) and Atlassian Statuspage (since January 2023).

Does Chkk use jQuery?

Yes. runsonwhat found jQuery at Chkk through jQuery code on chkk.io. jQuery is a Frontend tool used by 927,312 companies runsonwhat tracks.

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

The companies with the stacks most like Chkk's are Kodezi, The Guild, Stratusgrid and Clipboard, according to runsonwhat (November 2026). Each shares 7 to 17 tools with Chkk, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Chkk uses?

runsonwhat reads public records only. Of the 29 tools at Chkk, 10 were found through code on chkk.io, 8 through DNS records, 8 through subdomains that point at the vendor, 2 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 chkk.io 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.