What does Esker use?

As of October 2026, runsonwhat has found 38 tools at Esker (esker.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Microsoft Azure. Application: jQuery, Anthropic and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Mailchimp and LinkedIn Insight Tag. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 10, 2026.

Esker uses Amazon Web Services for hosting and cloud infrastructure, alongside Microsoft Azure and Acquia, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on esker.com. Amazon Web Services is used by 144,750 companies runsonwhat tracks.

The sales tools runsonwhat has found at Esker are ZoomInfo, Demandbase, Clickagy and Qualified (October 2026); no CRM shows up in Esker's public records. runsonwhat found ZoomInfo through ZoomInfo code on esker.com.

Esker uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 700,596 companies runsonwhat tracks.

Esker uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on esker.com. Google Analytics is used by 850,248 companies runsonwhat tracks.

Esker uses Mailchimp for marketing, alongside Pardot, Marketo and G2, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp. Mailchimp is used by 113,065 companies runsonwhat tracks.

Esker has used Pardot since at least March 2018, going by the first public certificate of the esker.com subdomain that points at Pardot. Other long-running tools at Esker include Microsoft Azure (since June 2018), Marketo (since July 2020) and Teamtailor (since February 2026).

Yes. runsonwhat found jQuery at Esker through jQuery code on esker.com. jQuery is a Frontend tool used by 895,811 companies runsonwhat tracks.

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

The companies with the stacks most like Esker's are Qualtrics, Kinaxis, Flexential and SailPoint, according to runsonwhat (October 2026). Each shares 16 to 22 tools with Esker, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

runsonwhat reads public records only. Of the 38 tools at Esker, 20 were found through code on esker.com, 10 through DNS records, 4 through subdomains that point at the vendor, 3 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 esker.com about monthly.