Zelis's tech stack
What does Zelis use?
Zelis (payspan.com) uses at least 29 tools we can see from public records, including WP Engine for hosting, Microsoft 365 for email and documents, HubSpot for sales and Google Analytics for analytics. Last checked .
“Zelis is on a mission to modernize the healthcare financial experience for all, working on behalf of insurers nationwide to optimize claims management, to power faster and seamless payments, and to bring clarity to the financial journey.”
- Industry
- IT Services
- Size
- 51–200 employees
- Based in
- Atlanta, United States
- Founded
- 1985
- Company page
- Tools found
- 29
- Categories
- 15
- Oldest proven tool
- Jul 2018
- Last checked
- Oct 2026
Zelis'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
Application
2 tools, what the product is built with
Frontend
Media & UI
Data & Observability
4 tools, what they measure and store
Go-to-market
13 tools, how they find and keep customers
Company Ops
7 tools, what the team runs on day to day
Email Delivery
Workspace
Dev Tools
Security & Compliance
What changed at Zelis
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Companies like Zelis also use
Tools common among companies with a similar stack that we haven't found at Zelis.
ProofpointSecurity & Compliance33%of similar
ChartbeatAnalytics17%of similar
OneTrustSecurity & Compliance27%of similar
TaboolaAds & Pixels20%of similar
Media.netAds & Pixels20%of similar
Amazon AdvertisingAds & Pixels20%of similar
Amazon Publisher ServicesAds & Pixels20%of similar
OpenXAds & Pixels20%of similar
Companies with a stack like Zelis's
Ranked by shared tools, with rare tools counting more.
The Commerce Team Global LtdIT Services · 51–200 people10in common
Eresi Mortgage, LLCFinancial Services · 51–200 people10in common
Equestrian ConnectionHealth, Wellness and Fitness · 51–200 people3in common
Atlantic GroupStaffing and Recruiting · 51–200 people11in common
Cbs Interactive (uk)Online Media · 51–200 people8in common
FOX 2 DetroitBroadcast Media · 51–200 people9in common
General Rubber CorporationMechanical or Industrial Engineering · 51–200 people11in common
829 StudiosMarketing and Advertising · 51–200 people17in common
More IT Services companies
Other IT Services companies we've checked.
Zelis tech stack FAQ
What tools does Zelis use?
As of October 2026, runsonwhat has found 29 tools at Zelis (payspan.com) in public records. Edge & Hosting: Cloudflare, Amazon Route 53 and WP Engine. Application: jQuery and Vimeo. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 23, 2026.
What cloud does Zelis run on?
Zelis uses WP Engine for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found WP Engine through WP Engine code on payspan.com. WP Engine is used by 51,476 companies runsonwhat tracks.
What CRM does Zelis use?
Zelis uses HubSpot for its CRM, alongside Demandbase, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records, and Zelis has used it since at least July 2018. HubSpot is used by 94,744 companies runsonwhat tracks.
What email provider does Zelis use?
Zelis 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 715,050 companies runsonwhat tracks.
What analytics tools does Zelis use?
Zelis 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 payspan.com. Google Analytics is used by 888,559 companies runsonwhat tracks.
What is Zelis's website built with?
Zelis uses WordPress for its website, alongside Yoast SEO and HubSpot CMS, according to runsonwhat (October 2026). runsonwhat found WordPress through WordPress code on payspan.com. WordPress is used by 600,396 companies runsonwhat tracks.
How long has Zelis used HubSpot?
Zelis has used HubSpot since at least July 2018, going by the first public certificate of the payspan.com subdomain that points at HubSpot. Other long-running tools at Zelis include HubSpot CMS (since July 2018).
Does Zelis use jQuery?
Yes. runsonwhat found jQuery at Zelis through jQuery code on payspan.com. jQuery is a Frontend tool used by 920,576 companies runsonwhat tracks.
Which companies have a tech stack similar to Zelis's?
The companies with the stacks most like Zelis' are The Commerce Team Global, Eresi Mortgage, Equestrian Connection and Atlantic Group, according to runsonwhat (October 2026). Each shares 3 to 11 tools with Zelis, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Zelis uses?
runsonwhat reads public records only. Of the 29 tools at Zelis, 17 were found through code on payspan.com, 6 through subdomains that point at the vendor, 5 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and payspan.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.