# What does Relay use?

Relay (pickrelay.com) shows public evidence of 13 tools, according to runsonwhat (last checked 2026-10-31).

## Edge & Hosting

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

## Application

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

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code |  |
| [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code |  |
| [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code |  |
| [Vercel Analytics](https://www.runsonwhat.com/reverse/vercel-analytics) | Analytics | Website code |  |
| [Plausible](https://www.runsonwhat.com/reverse/plausible) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Brevo](https://www.runsonwhat.com/reverse/brevo) | Marketing | DNS verification records |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records, DNS verification records |  |
| [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code |  |

## FAQ

### What tools does Relay use?

As of November 2026, runsonwhat has found 13 tools at Relay (pickrelay.com) in public records. Edge & Hosting: Vercel and Namecheap. Application: Next.js. Data & Observability: Sentry, web-vitals and PostHog. Go-to-market: Brevo. Company Ops: Google Workspace, Mailchimp Transactional and CookieYes. Last checked October 31, 2026.

### What cloud does Relay run on?

Relay uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and DNS records. Vercel is used by 51,898 companies runsonwhat tracks.

### What email provider does Relay use?

Relay uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 414,584 companies runsonwhat tracks.

### What analytics tools does Relay use?

Relay uses PostHog for analytics, alongside Vercel Analytics and Plausible, according to runsonwhat (November 2026). runsonwhat found PostHog through PostHog code on pickrelay.com. PostHog is used by 10,808 companies runsonwhat tracks.

### What marketing software does Relay use?

Relay uses Brevo for marketing, according to runsonwhat (November 2026). runsonwhat found Brevo through a DNS verification record for Brevo. Brevo is used by 82,084 companies runsonwhat tracks.

### What monitoring tools does Relay use?

Relay uses Sentry for monitoring, alongside web-vitals, according to runsonwhat (November 2026). runsonwhat found Sentry through Sentry code on pickrelay.com. Sentry is used by 80,080 companies runsonwhat tracks.

### Does Relay use Next.js?

Yes. runsonwhat found Next.js at Relay through Next.js code on pickrelay.com. Next.js is a Frontend tool used by 69,398 companies runsonwhat tracks.

### How does runsonwhat know what Relay uses?

runsonwhat reads public records only. Of the 13 tools at Relay, 7 were found through code on pickrelay.com, 3 through DNS records, 2 through email records and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and pickrelay.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/pickrelay.com (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.