Square's tech stack
What does Square use?
Square (square.site) uses at least 10 tools we can see from public records, including Contentful for its website, Sentry for monitoring, Cloudflare for content delivery and OneTrust for security. Last checked .
- Industry
- Software
- Size
- 1,001–5,000 employees
- Based in
- San Francisco, United States
- Founded
- 2009
- Company page
- Tools found
- 10
- Categories
- 9
- Layers
- 5 of 5
- Last checked
- Oct 2026
Square'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
CDN & Edge
Application
2 tools, what the product is built with
Frontend
Data & Observability
1 tool, what they measure and store
Monitoring
Go-to-market
4 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Company Ops
1 tool, what the team runs on day to day
Security & Compliance
Companies like Square also use
Tools common among companies with a similar stack that we haven't found at Square.
Companies with a stack like Square's
Ranked by shared tools, with rare tools counting more.
JaidSoftware · 11–50 people3in common
Qruise GmbHSoftware · 11–50 people3in common
Hospital São DomingosHealthcare · 1,001–5,000 people3in common
724 CareStaffing and Recruiting · 201–1,000 people4in common
Logiston GmbHLogistics and Supply Chain · 11–50 people2in common
Minerva MarketingMarketing and Advertising · 11–50 people2in common
Kalra InsuranceInsurance · 11–50 people2in common
Thealternativealtdairyco.com3in common
More Software companies
Other Software companies we've checked.
Square tech stack FAQ
What tools does Square use?
As of October 2026, runsonwhat has found 10 tools at Square (square.site) in public records. Edge & Hosting: Cloudflare and Amazon Route 53. Application: SvelteKit. Data & Observability: Sentry. Go-to-market: Pinterest and Contentful. Company Ops: OneTrust. Last checked October 23, 2026.
What is Square's website built with?
Square uses Contentful for its website, according to runsonwhat (October 2026). runsonwhat found Contentful through Contentful code on square.site. Contentful is used by 4,233 companies runsonwhat tracks.
What monitoring tools does Square use?
Square uses Sentry for monitoring, according to runsonwhat (October 2026). runsonwhat found Sentry through Sentry code on square.site. Sentry is used by 79,163 companies runsonwhat tracks.
Does Square use Cloudflare?
Yes. runsonwhat found Cloudflare at Square through Cloudflare code on square.site. Cloudflare is a CDN & Edge tool used by 709,516 companies runsonwhat tracks.
Which companies have a tech stack similar to Square's?
The companies with the stacks most like Square's are Jaid, Qruise, Hospital São Domingos and 724 Care, according to runsonwhat (October 2026). Each shares 3 to 4 tools with Square, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Square uses?
runsonwhat reads public records only. Of the 10 tools at Square, 7 were found through code on square.site, 2 through DNS records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and square.site 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.