# What does Sequin use?

Sequin (sequinai.com) shows public evidence of 9 tools, according to runsonwhat (last checked 2026-10-09).

- Industry: B2B
- Size: 1–10 employees
- Based in: San Francisco, United States
- LinkedIn: https://www.linkedin.com/company/sequinclub

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Website code |  |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code |  |
| [YouTube](https://www.runsonwhat.com/reverse/youtube) | Media & UI | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Calendly](https://www.runsonwhat.com/reverse/calendly) | Sales & CRM | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records |  |
| [Replit](https://www.runsonwhat.com/reverse/replit) | Dev Tools | DNS verification records |  |

## FAQ

### What tools does Sequin use?

As of October 2026, runsonwhat has found 9 tools at Sequin (sequinai.com) in public records. Edge & Hosting: Amazon Route 53 and Google Cloud. Application: Google Fonts and YouTube. Go-to-market: Calendly. Company Ops: Google Workspace, Slack and Replit. Last checked October 9, 2026.

### What cloud does Sequin run on?

Sequin uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Google Cloud through Google Cloud code on sequinai.com. Google Cloud is used by 75,103 companies runsonwhat tracks.

### What sales tools does Sequin use?

The sales tools runsonwhat has found at Sequin are Calendly (October 2026); no CRM shows up in Sequin's public records. runsonwhat found Calendly through Calendly code on sequinai.com. Calendly is used by 24,619 companies runsonwhat tracks.

### What email provider does Sequin use?

Sequin uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 397,574 companies runsonwhat tracks.

### Does Sequin use Google Fonts?

Yes. runsonwhat found Google Fonts at Sequin through Google Fonts code on sequinai.com. Google Fonts is a Media & UI tool used by 791,675 companies runsonwhat tracks.

### Which companies have a tech stack similar to Sequin's?

The companies with the stacks most like Sequin's are SalaryBook, lim.run, TryNearby and Brickwise AI, according to runsonwhat (October 2026). Each shares 3 to 5 tools with Sequin, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Sequin uses?

runsonwhat reads public records only. Of the 9 tools at Sequin, 4 were found through code on sequinai.com, 4 through DNS records and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and sequinai.com about monthly.


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