runsonwhat

OpenX's tech stack

What does OpenX use?

OpenX (openx.com) uses at least 33 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Google Analytics for analytics. Last checked .

Industry
Online Advertising
Size
201–1,000 employees
Based in
Pasadena, United States
Founded
2008
LinkedIn
Company page
Tools found
33
Categories
15
Oldest proven tool
May 2018
Last checked
Oct 2026

OpenX'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

Data & Observability

3 tools, what they measure and store

Go-to-market

5 tools, how they find and keep customers

What changed at OpenX

Using since

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

  1. Google Cloud
  2. Marketo

OpenX tech stack FAQ

What tools does OpenX use?

As of October 2026, runsonwhat has found 33 tools at OpenX (openx.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: Anthropic, OpenAI and Firebase. Data & Observability: Google Analytics, Google Tag Manager and Pendo. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 3, 2026.

What cloud does OpenX run on?

OpenX uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud and WP Engine, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on openx.com. Amazon Web Services is used by 143,829 companies runsonwhat tracks.

What CRM does OpenX use?

OpenX uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on openx.com. HubSpot is used by 89,463 companies runsonwhat tracks.

What email provider does OpenX use?

OpenX uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 694,519 companies runsonwhat tracks.

What analytics tools does OpenX use?

OpenX uses Google Analytics for analytics, alongside Google Tag Manager and Pendo, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on openx.com. Google Analytics is used by 809,074 companies runsonwhat tracks.

What is OpenX's website built with?

OpenX uses WordPress for its website, alongside Yoast SEO, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on openx.com. WordPress is used by 548,125 companies runsonwhat tracks.

How long has OpenX used Google Cloud?

OpenX has used Google Cloud since at least May 2018, going by the first public certificate of the openx.com subdomain that points at Google Cloud. Other long-running tools at OpenX include Marketo (since August 2022).

Does OpenX use Cloudflare?

Yes. runsonwhat found Cloudflare at OpenX through Cloudflare code on openx.com. Cloudflare is a CDN & Edge tool used by 676,189 companies runsonwhat tracks.

Does OpenX use AI tools?

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

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

The companies with the stacks most like OpenX's are Forter, Experian, Cover Genius and CARET, according to runsonwhat (October 2026). Each shares 14 to 20 tools with OpenX, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what OpenX uses?

runsonwhat reads public records only. Of the 33 tools at OpenX, 18 were found through DNS records, 9 through code on openx.com, 3 through email records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and openx.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.