# What does OpenPipe use?

OpenPipe (openpipe.ai) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-11-06).

- Industry: Engineering, Product and Design
- Size: 1–10 employees
- Based in: Seattle, United States

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [Google Threat Intelligence DTM](https://www.runsonwhat.com/reverse/google-dtm) | Security & Compliance | DNS verification records |  |

## FAQ

### What tools does OpenPipe use?

As of November 2026, runsonwhat has found 9 tools at OpenPipe (openpipe.ai) in public records. Edge & Hosting: Cloudflare. Application: React and Tailwind CSS. Go-to-market: HubSpot. Company Ops: Microsoft 365, Google Workspace and Proofpoint. Last checked November 6, 2026.

### What CRM does OpenPipe use?

OpenPipe uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on openpipe.ai. HubSpot is used by 97,448 companies runsonwhat tracks.

### What email provider does OpenPipe use?

OpenPipe uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 732,285 companies runsonwhat tracks.

### Does OpenPipe use Cloudflare?

Yes. runsonwhat found Cloudflare at OpenPipe through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 732,226 companies runsonwhat tracks.

### Which companies have a tech stack similar to OpenPipe's?

The companies with the stacks most like OpenPipe's are Fitnesspark, City of Detroit, ABS Group and BNY, according to runsonwhat (November 2026). Each shares 3 to 6 tools with OpenPipe, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what OpenPipe uses?

runsonwhat reads public records only. Of the 9 tools at OpenPipe, 4 were found through DNS records, 3 through email records and 2 through code on openpipe.ai. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and openpipe.ai about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/openpipe.ai (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.