runsonwhat

Pydantic's tech stack

What does Pydantic use?

Pydantic (pydantic.dev) uses at least 11 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, web-vitals for monitoring and Cloudflare for content delivery. Last checked .

“Pydantic is the AI engineering stack for teams building with AI. Observe with Logfire, evaluate with Pydantic Evals, build type-safe agents with Pydantic AI, and track LLM costs with AI Gateway. Built on open standards.”

Industry
Software
Size
1–10 employees
Based in
Wilmington, United States
Founded
2018
LinkedIn
Company page
Re-check liveVisit pydantic.dev
Tools found
11
Categories
8
Layers
5 of 5
Last checked
Oct 2026

Pydantic'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

1 tool, where the bytes are served from

CDN & Edge

Application

2 tools, what the product is built with

Frontend

Data & Observability

3 tools, what they measure and store

Monitoring

Analytics

Go-to-market

2 tools, how they find and keep customers

Marketing

Ads & Pixels

Company Ops

3 tools, what the team runs on day to day

Workspace

Security & Compliance

Companies like Pydantic also use

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

Companies with a stack like Pydantic's

Ranked by shared tools, with rare tools counting more.

More Software companies

Other Software companies we've checked.

Pydantic tech stack FAQ

What tools does Pydantic use?

We've found 11 tools at Pydantic (pydantic.dev). Edge & Hosting: Cloudflare. Application: Tailwind CSS and Astro. Data & Observability: Google Analytics, web-vitals and PostHog. Go-to-market: Google Ads. Company Ops: Microsoft 365, Google Workspace and Oneleet. Last checked October 7, 2026.

What email provider does Pydantic use?

Pydantic uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through DNS verification records.

What analytics tools does Pydantic use?

Pydantic uses Google Analytics and PostHog for analytics. We found Google Analytics through website code.

Does Pydantic use Microsoft 365?

Yes. We found Microsoft 365 at Pydantic through DNS verification records. Microsoft 365 is used by 685,702 companies we track.

How does runsonwhat know what Pydantic uses?

We read public traces only: Pydantic'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.