ernd's tech stack
What does ernd use?
ernd (ernd.io) uses at least 10 tools we can see from public records, including Calendly for sales, Proofpoint for security, Amazon Web Services for hosting and Microsoft 365 for email and documents. Last checked .
“ernd offers the ernd card, a charge card for US companies that pay for AI. ernd pools AI spend across the companies on the card to negotiate perks with AI providers.”
- Industry
- Fintech
- Size
- 1–10 employees
- Based in
- San Francisco, United States
- Company page
- Tools found
- 10
- Categories
- 10
- Layers
- 4 of 5
- Last checked
- Nov 2026
ernd's stack, layer by layer
Of 10 tools, 4 came from website code, 2 from email records, 2 from custom domain and 2 from other records. 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
2 tools, what the product is built with
Frontend
Go-to-market
3 tools, how they find and keep customers
Company Ops
2 tools, what the team runs on day to day
Workspace
Security & Compliance
ernd tech stack FAQ
What tools does ernd use?
As of November 2026, runsonwhat has found 10 tools at ernd (ernd.io) in public records. Edge & Hosting: Cloudflare, GoDaddy and Amazon Web Services. Application: Astro. Go-to-market: LinkedIn Insight Tag and Calendly. Company Ops: Microsoft 365 and Proofpoint. Last checked November 9, 2026.
What cloud does ernd run on?
ernd uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services. Amazon Web Services is used by 147,736 companies runsonwhat tracks.
What sales tools does ernd use?
The sales tools runsonwhat has found at ernd are Calendly (November 2026); no CRM shows up in ernd's public records. runsonwhat found Calendly through Calendly code on ernd.io. Calendly is used by 31,515 companies runsonwhat tracks.
What email provider does ernd use?
ernd uses Microsoft 365 for email and office software, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 739,071 companies runsonwhat tracks.
Does ernd use Cloudflare?
Yes. runsonwhat found Cloudflare at ernd through Cloudflare code on ernd.io. Cloudflare is a CDN & Edge tool used by 737,340 companies runsonwhat tracks.
How does runsonwhat know what ernd uses?
runsonwhat reads public records only. Of the 10 tools at ernd, 4 were found through code on ernd.io, 2 through email records, 2 through subdomains that point at the vendor, 1 through DNS records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ernd.io 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.