runsonwhat

Block's tech stack

What does Block use?

Block (block.xyz) uses at least 33 tools we can see from public records, including Microsoft 365 for email and documents, Qualtrics for analytics, Stripe for payments and Sanity for its website. Last checked .

Industry
Mobile Payment
Based in
United States
Founded
2009
LinkedIn
Company page
Re-check liveVisit block.xyz
Tools found
33
Categories
17
Layers
5 of 5
Last checked
Oct 2026

Block'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

DNS

Application

5 tools, what the product is built with

Frontend

Auth & Identity

AI

Payments & Billing

Data & Observability

2 tools, what they measure and store

Monitoring

Analytics

Go-to-market

3 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Company Ops

21 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

Finance & Legal

Security & Compliance

Companies like Block also use

Tools common among companies with a similar stack that we haven't found at Block.

Companies with a stack like Block's

Ranked by shared tools, with rare tools counting more.

Block tech stack FAQ

What tools does Block use?

We've found 33 tools at Block (block.xyz). Edge & Hosting: Amazon Route 53 and Fastly. Application: Anthropic, OpenAI and Stripe. Data & Observability: Sentry and Qualtrics. Go-to-market: Meta Pixel and Sanity. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 4, 2026.

What email provider does Block use?

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

What payment provider does Block use?

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

What analytics tools does Block use?

Block uses Qualtrics for analytics. We found Qualtrics through email records.

What CMS does Block use?

Block uses Sanity for its website. We found Sanity through website code.

Does Block use Microsoft 365?

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

How does runsonwhat know what Block uses?

We read public traces only: Block'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.