runsonwhat

Square's tech stack

What does Square use?

Square (squareup.com) uses at least 47 tools we can see from public records, including Microsoft 365 for email and documents, Drift for customer support, Stripe for payments and Contentful for its website. Last checked .

Re-check liveVisit squareup.com
Tools found
47
Categories
16
Oldest proven tool
Jul 2017
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

3 tools, where the bytes are served from

CDN & Edge

DNS

Application

5 tools, what the product is built with

Frontend

AI

Payments & Billing

Data & Observability

2 tools, what they measure and store

Monitoring

Go-to-market

9 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Support & Docs

Company Ops

28 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Finance & Legal

Security & Compliance

What changed at Square

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Cloudflare
  2. Fastly

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.

Square tech stack FAQ

What tools does Square use?

We've found 47 tools at Square (squareup.com). Edge & Hosting: Cloudflare, Amazon Route 53 and Fastly. Application: Anthropic, Stripe and SvelteKit. Data & Observability: Sentry and Atlassian Statuspage. Go-to-market: Meta Pixel, Mailchimp and Pinterest. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 1, 2026.

What email provider does Square use?

Square uses Microsoft 365, Google Workspace and Apple Business for email and documents. We found Microsoft 365 through DNS verification records.

What does Square use for customer support?

Square uses Drift and Decagon for customer support. We found Drift through DNS verification records and website code.

What payment provider does Square use?

Square uses Stripe for payments. We found Stripe through DNS verification records.

What CMS does Square use?

Square uses Contentful for its website. We found Contentful through website code.

What marketing software does Square use?

Square uses Mailchimp and Reachdesk for marketing. We found Mailchimp through email records.

Does Square use Microsoft 365?

Yes. We found Microsoft 365 at Square through DNS verification records. Microsoft 365 is used by 245,233 companies we track.

How does runsonwhat know what Square uses?

We read public traces only: Square's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.