Fiserv's tech stack
What does Fiserv use?
Fiserv (fiserv.com) uses at least 51 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Stoplight for customer support. Last checked .
“Fiserv is a global fintech and payments company with solutions for banking, global commerce, merchant acquiring, billing and payments, and point-of-sale.”
- Industry
- Financial Services
- Size
- 10,000+ employees
- Based in
- Milwaukee, United States
- Founded
- 1984
- Company page
- Tools found
- 51
- Categories
- 22
- Layers
- 5 of 5
- Changes seen
- 2
Fiserv'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
6 tools, what the product is built with
Data & Observability
5 tools, what they measure and store
Monitoring
Flags & Experiments
Data Pipeline
Go-to-market
13 tools, how they find and keep customers
Website & CMS
Support & Docs
Company Ops
23 tools, what the team runs on day to day
Email Delivery
People & HR
Finance & Legal
What changed at Fiserv
Fiserv tech stack FAQ
What tools does Fiserv use?
As of October 2026, runsonwhat has found 51 tools at Fiserv (fiserv.com) in public records. Edge & Hosting: Amazon Web Services, Fastly and NS1. Application: jQuery, Vimeo and YouTube. Data & Observability: Adobe Experience Platform Tags, Adobe Analytics and Adobe Experience Platform. Go-to-market: Meta Pixel, HubSpot and Klaviyo. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked October 9, 2026.
What cloud does Fiserv run on?
Fiserv uses Amazon Web Services for hosting and cloud infrastructure, alongside IBM Cloud, 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 143,858 companies runsonwhat tracks.
What CRM does Fiserv use?
Fiserv uses HubSpot for its CRM, alongside Calendly, Dealfront and Demandbase, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot. HubSpot is used by 89,571 companies runsonwhat tracks.
What email provider does Fiserv use?
Fiserv uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, 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 694,529 companies runsonwhat tracks.
What does Fiserv use for customer support?
Fiserv uses Stoplight for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Stoplight through a subdomain that points at Stoplight. Stoplight is used by 111 companies runsonwhat tracks.
What analytics tools does Fiserv use?
Fiserv uses Adobe Analytics for analytics, alongside Adobe Experience Platform, according to runsonwhat (October 2026). runsonwhat found Adobe Analytics through Adobe Analytics code on fiserv.com. Adobe Analytics is used by 6,507 companies runsonwhat tracks.
Does Fiserv use jQuery?
Yes. runsonwhat found jQuery at Fiserv through jQuery code on fiserv.com. jQuery is a Frontend tool used by 857,390 companies runsonwhat tracks.
Does Fiserv use AI tools?
Yes. runsonwhat has found Anthropic and OpenAI at Fiserv; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Fiserv may use more AI tools than these.
Has Fiserv changed tools recently?
Yes. On runsonwhat's rechecks, Fiserv started using IBM Cloud and Pexip (latest on October 9, 2026). A change counts only between two checks of fiserv.com done the same way.
Which companies have a tech stack similar to Fiserv's?
The companies with the stacks most like Fiserv's are GE HealthCare, First American, FIS Global and U.S. Bancorp, according to runsonwhat (October 2026). Each shares 20 to 24 tools with Fiserv, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Fiserv uses?
runsonwhat reads public records only. Of the 51 tools at Fiserv, 25 were found through DNS records, 15 through code on fiserv.com, 8 through subdomains that point at the vendor and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and fiserv.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.