runsonwhat

Certain, Inc.'s tech stack

What does Certain, Inc. use?

Certain, Inc. (certain.com) uses at least 35 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Calendly for sales and Zendesk for customer support. Last checked .

“AI-powered event intelligence platform that turns attendee engagement into measurable revenue.”

Industry
Internet
Size
51–200 employees
Based in
San Francisco, United States
Founded
1994
LinkedIn
Company page
Re-check liveVisit certain.com
Tools found
35
Categories
18
Layers
5 of 5
Last checked
Oct 2026

Certain, Inc.'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

Hosting & Cloud

CDN & Edge

Application

7 tools, what the product is built with

Frontend

Backend & Database

AI

Media & UI

Data & Observability

5 tools, what they measure and store

Monitoring

Analytics

Go-to-market

8 tools, how they find and keep customers

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

11 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Finance & Legal

Security & Compliance

Companies like Certain, Inc. also use

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

Companies with a stack like Certain, Inc.'s

Ranked by shared tools, with rare tools counting more.

More Internet companies

Other Internet companies we've checked.

Certain, Inc. tech stack FAQ

What tools does Certain use?

As of October 2026, runsonwhat has found 35 tools at Certain (certain.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon CloudFront. Application: Google Fonts, Vimeo and React. Data & Observability: Google Analytics, web-vitals and Atlassian Statuspage. Go-to-market: Zendesk, Calendly and Pardot. Company Ops: Microsoft 365, reCAPTCHA and SendGrid. Last checked October 7, 2026.

What cloud does Certain run on?

Certain uses Amazon Web Services for hosting and cloud infrastructure, alongside WP Engine, 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 143,608 companies runsonwhat tracks.

What sales tools does Certain use?

The sales tools runsonwhat has found at Certain are Calendly, Apollo.io and Demandbase (October 2026); no CRM shows up in Certain's public records. runsonwhat found Calendly through Calendly code on certain.com.

What email provider does Certain use?

Certain uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 693,165 companies runsonwhat tracks.

What does Certain use for customer support?

Certain uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on certain.com. Zendesk is used by 39,868 companies runsonwhat tracks.

What analytics tools does Certain use?

Certain uses Google Analytics for analytics, alongside Tinybird, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on certain.com. Google Analytics is used by 794,485 companies runsonwhat tracks.

Does Certain use Google Fonts?

Yes. runsonwhat found Google Fonts at Certain through Google Fonts code on certain.com. Google Fonts is a Media & UI tool used by 734,418 companies runsonwhat tracks.

Does Certain use AI tools?

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

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

The companies with the stacks most like Certain's are RightData, VAST Data, Bandwidth and OpenSesame, according to runsonwhat (October 2026). Each shares 13 to 19 tools with Certain, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Certain uses?

runsonwhat reads public records only. Of the 35 tools at Certain, 15 were found through code on certain.com, 11 through DNS records, 6 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 certain.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.