runsonwhat

Buf Technologies, Inc.'s tech stack

What does Buf Technologies, Inc. use?

Buf Technologies, Inc. (buf.build) uses at least 26 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Pylon for customer support. Last checked .

“Buf builds the modern Protobuf and gRPC toolchain, including the Buf CLI and the Buf Schema Registry, and maintains widely used open source projects such as ConnectRPC, Protovalidate, and Protobuf-ES.”

Industry
Software
Size
11–50 employees
Based in
Toronto, Canada
LinkedIn
Company page
Tools found
26
Categories
17
Layers
5 of 5
Last checked
Oct 2026

Buf Technologies, 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

3 tools, where the bytes are served from

Application

5 tools, what the product is built with

Frontend

Auth & Identity

Payments & Billing

Media & UI

Data & Observability

2 tools, what they measure and store

Go-to-market

5 tools, how they find and keep customers

Company Ops

11 tools, what the team runs on day to day

Buf Technologies, Inc. tech stack FAQ

What tools does Buf Technologies use?

As of October 2026, runsonwhat has found 26 tools at Buf Technologies (buf.build) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: Anthropic, Lottie and Stripe. Data & Observability: Google Analytics and Fathom. Go-to-market: Google Ads, HubSpot and RB2B. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 7, 2026.

What cloud does Buf Technologies run on?

Buf Technologies uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on buf.build. Amazon Web Services is used by 143,392 companies runsonwhat tracks.

What CRM does Buf Technologies use?

Buf Technologies uses HubSpot for its CRM, alongside RB2B, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on buf.build. HubSpot is used by 87,983 companies runsonwhat tracks.

What email provider does Buf Technologies use?

Buf Technologies 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 693,112 companies runsonwhat tracks.

What does Buf Technologies use for customer support?

Buf Technologies uses Pylon for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Pylon through a DNS verification record for Pylon. Pylon is used by 129 companies runsonwhat tracks.

What payment provider does Buf Technologies use?

Buf Technologies uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on buf.build. Stripe is used by 24,375 companies runsonwhat tracks.

Does Buf Technologies use Cloudflare?

Yes. runsonwhat found Cloudflare at Buf Technologies through DNS records that point at Cloudflare and code on buf.build. Cloudflare is a CDN & Edge tool used by 663,520 companies runsonwhat tracks.

Does Buf Technologies use AI tools?

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

Which companies have a tech stack similar to Buf Technologies's?

The companies with the stacks most like Buf Technologies' are vCluster, Factory, ClickHouse and Kiln, according to runsonwhat (October 2026). Each shares 11 to 14 tools with Buf Technologies, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Buf Technologies uses?

runsonwhat reads public records only. Of the 26 tools at Buf Technologies, 12 were found through DNS records, 9 through code on buf.build, 4 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and buf.build 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.