runsonwhat

Underdog Sports, Inc.'s tech stack

What does Underdog Sports, Inc. use?

Underdog Sports, Inc. (underdogfantasy.com) uses at least 31 tools we can see from public records, including Google Cloud for hosting, Microsoft 365 for email and documents, Zendesk for customer support and Google Analytics for analytics. Last checked .

“Underdog Sports is an online fantasy sports and predictions platform offering Pick'em, Best Ball drafts, Streaks, and Team Picks across NFL, NBA, MLB, NHL, and more. Available in 46 states, Washington D.C., and Canada, Underdog has paid out over $2 billion to players.”

LinkedIn
Company page
Tools found
31
Categories
18
Layers
5 of 5
Last checked
Oct 2026

Underdog Sports, 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

2 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Application

6 tools, what the product is built with

Backend & Database

Payments & Billing

Data & Observability

4 tools, what they measure and store

Go-to-market

6 tools, how they find and keep customers

Company Ops

13 tools, what the team runs on day to day

Underdog Sports, Inc. tech stack FAQ

What tools does Underdog Sports use?

As of October 2026, runsonwhat has found 31 tools at Underdog Sports (underdogfantasy.com) in public records. Edge & Hosting: Cloudflare and Google Cloud. Application: jQuery, Google Fonts and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and AppsFlyer. Go-to-market: Google Ads, Meta Pixel and Zendesk. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 7, 2026.

What cloud does Underdog Sports run on?

Underdog Sports uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through a subdomain that points at Google Cloud. Google Cloud is used by 74,984 companies runsonwhat tracks.

What email provider does Underdog Sports use?

Underdog Sports 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 700,626 companies runsonwhat tracks.

What does Underdog Sports use for customer support?

Underdog Sports uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 40,844 companies runsonwhat tracks.

What payment provider does Underdog Sports use?

Underdog Sports uses Checkout.com for payments and billing, according to runsonwhat (October 2026). runsonwhat found Checkout.com through a DNS verification record for Checkout.com. Checkout.com is used by 181 companies runsonwhat tracks.

What analytics tools does Underdog Sports use?

Underdog Sports uses Google Analytics for analytics, alongside Google Tag Manager and AppsFlyer, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on underdogfantasy.com. Google Analytics is used by 850,649 companies runsonwhat tracks.

Does Underdog Sports use jQuery?

Yes. runsonwhat found jQuery at Underdog Sports through jQuery code on underdogfantasy.com. jQuery is a Frontend tool used by 895,937 companies runsonwhat tracks.

Does Underdog Sports use AI tools?

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

Which companies have a tech stack similar to Underdog Sports's?

The companies with the stacks most like Underdog Sports' are Unity Education Resources, Hitouch Business Services, GetYourGuide and Moon Active, according to runsonwhat (October 2026). Each shares 7 to 16 tools with Underdog Sports, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Underdog Sports uses?

runsonwhat reads public records only. Of the 31 tools at Underdog Sports, 17 were found through DNS records, 8 through code on underdogfantasy.com, 4 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and underdogfantasy.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.