runsonwhat

Promptfoo's tech stack

What does Promptfoo use?

Promptfoo (promptfoo.dev) uses at least 12 tools we can see from public records, including Google Workspace for email and documents, Discord for customer support, Ahrefs for marketing and UptimeRobot for monitoring. Last checked .

LinkedIn
Company page
Re-check liveVisit promptfoo.dev
Tools found
12
Categories
11
Layers
5 of 5
Last checked
Oct 2026

Promptfoo'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

AI

Search

Data & Observability

1 tool, what they measure and store

Monitoring

Go-to-market

3 tools, how they find and keep customers

Marketing

Support & Docs

Company Ops

5 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

People & HR

Security & Compliance

Companies like Promptfoo also use

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

Companies with a stack like Promptfoo's

Ranked by shared tools, with rare tools counting more.

Promptfoo tech stack FAQ

What tools does Promptfoo use?

We've found 12 tools at Promptfoo (promptfoo.dev). Edge & Hosting: Cloudflare. Application: Algolia. Data & Observability: UptimeRobot. Go-to-market: Ahrefs and Discord. Company Ops: Google Workspace, Mailgun and Notion. Last checked October 7, 2026.

What email provider does Promptfoo use?

Promptfoo uses Google Workspace for email and documents. We found Google Workspace through email records.

What does Promptfoo use for customer support?

Promptfoo uses Discord for customer support. We found Discord through website code.

What marketing software does Promptfoo use?

Promptfoo uses Ahrefs for marketing. We found Ahrefs through DNS verification records.

What does Promptfoo use for hiring and HR?

Promptfoo uses Rippling for hiring and HR. We found Rippling through DNS verification records.

Does Promptfoo use Cloudflare?

Yes. We found Cloudflare at Promptfoo through DNS records and website code. Cloudflare is used by 571,806 companies we track.

How does runsonwhat know what Promptfoo uses?

We read public traces only: Promptfoo'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.