# What does Valens.dev use?

Valens.dev (valens.dev) shows public evidence of 8 tools, according to runsonwhat (last checked 2026-10-29).

- Industry: Software
- Size: 11–50 employees
- Based in: Sarajevo, Bosnia & Herzegovina
- Founded: 2019
- LinkedIn: https://www.linkedin.com/company/valens-dev

## Edge & Hosting

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

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | DNS verification records, Email records |  |
| [Customer.io](https://www.runsonwhat.com/reverse/customerio) | Marketing | Custom domain |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |

## FAQ

### What tools does Valens.dev use?

As of October 2026, runsonwhat has found 8 tools at Valens.dev (valens.dev) in public records. Edge & Hosting: Cloudflare and Vercel. Application: Astro. Go-to-market: Brevo and Customer.io. Company Ops: Microsoft 365. Last checked October 29, 2026.

### What cloud does Valens.dev run on?

Valens.dev uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel. Vercel is used by 49,553 companies runsonwhat tracks.

### What email provider does Valens.dev use?

Valens.dev uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 716,437 companies runsonwhat tracks.

### What marketing software does Valens.dev use?

Valens.dev uses Brevo for marketing, alongside Customer.io, according to runsonwhat (October 2026). runsonwhat found Brevo through a DNS verification record for Brevo and email records. Brevo is used by 80,981 companies runsonwhat tracks.

### Does Valens.dev use Cloudflare?

Yes. runsonwhat found Cloudflare at Valens.dev through DNS records that point at Cloudflare and code on valens.dev. Cloudflare is a CDN & Edge tool used by 710,903 companies runsonwhat tracks.

### Which companies have a tech stack similar to Valens.dev's?

The companies with the stacks most like Valens.dev's are Email on Acid, Threefold Group, Mos - Scholarships & Financial Aid and Howz, according to runsonwhat (October 2026). Each shares 3 to 5 tools with Valens.dev, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Valens.dev uses?

runsonwhat reads public records only. Of the 8 tools at Valens.dev, 4 were found through DNS records, 2 through subdomains that point at the vendor, 1 through website configuration files and 1 through code on valens.dev. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and valens.dev about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/valens.dev (updated October 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.