runsonwhat

Haystack's tech stack

What does Haystack use?

Haystack (usehaystack.io) uses at least 24 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, Calendly for sales and Intercom for customer support. Last checked .

“Delivery Analytics for Software Teams”

Industry
Engineering, Product and Design
Size
1–10 employees
Based in
San Francisco, United States
LinkedIn
Company page
Re-check liveVisit usehaystack.io
Tools found
24
Categories
15
Layers
5 of 5
Last checked
Oct 2026

Haystack'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

Hosting & Cloud

CDN & Edge

Application

2 tools, what the product is built with

Frontend

Media & UI

Data & Observability

7 tools, what they measure and store

Monitoring

Analytics

Flags & Experiments

Go-to-market

10 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

3 tools, what the team runs on day to day

Email Delivery

Workspace

Security & Compliance

Companies like Haystack also use

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

Companies with a stack like Haystack's

Ranked by shared tools, with rare tools counting more.

More Engineering, Product and Design companies

Other Engineering, Product and Design companies we've checked.

Haystack tech stack FAQ

What tools does Haystack use?

We've found 24 tools at Haystack (usehaystack.io). Edge & Hosting: Cloudflare and Amazon Web Services. Application: jQuery and Google Fonts. Data & Observability: Google Analytics, Google Tag Manager and Hotjar. Go-to-market: Meta Pixel, Google Ads and LinkedIn Insight Tag. Company Ops: Google Workspace, SendGrid and Detectify. Last checked October 2, 2026.

What cloud does Haystack run on?

Haystack uses Amazon Web Services for hosting. We found Amazon Web Services through custom domain and website code.

What CRM does Haystack use?

Haystack uses Calendly and RB2B for sales and CRM. We found Calendly through website code.

What email provider does Haystack use?

Haystack uses Google Workspace for email and documents. We found Google Workspace through email records and website code.

What does Haystack use for customer support?

Haystack uses Intercom and GitBook for customer support. We found Intercom through email records and website code.

What analytics tools does Haystack use?

Haystack uses Google Analytics, Google Tag Manager and Hotjar for analytics, among 5 tools in this category. We found Google Analytics through website code.

Does Haystack use Cloudflare?

Yes. We found Cloudflare at Haystack through DNS records and website code. Cloudflare is used by 485,933 companies we track.

How does runsonwhat know what Haystack uses?

We read public traces only: Haystack'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.