# What does OpenCircle use?

OpenCircle (opencircle.com.br) shows public evidence of 16 tools, according to runsonwhat (last checked 2026-10-07).

- Industry: IT Services
- Size: 51–200 employees
- Based in: São Paulo, Brazil
- Founded: 2020
- LinkedIn: https://www.linkedin.com/company/opencircle-dev

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Website code |  |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [WhatsApp Business](https://www.runsonwhat.com/reverse/whatsapp) | Support & Docs | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records |  |

## FAQ

### What tools does OpenCircle use?

As of October 2026, runsonwhat has found 16 tools at OpenCircle (opencircle.com.br) in public records. Edge & Hosting: Amazon Web Services, Amazon Route 53 and Amazon CloudFront. Data & Observability: Google Analytics, Google Tag Manager and web-vitals. Go-to-market: Google Ads and WhatsApp Business. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 7, 2026.

### What cloud does OpenCircle run on?

OpenCircle uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on opencircle.com.br. Amazon Web Services is used by 144,833 companies runsonwhat tracks.

### What email provider does OpenCircle use?

OpenCircle uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 701,679 companies runsonwhat tracks.

### What does OpenCircle use for customer support?

OpenCircle uses WhatsApp Business for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found WhatsApp Business through WhatsApp Business code on opencircle.com.br. WhatsApp Business is used by 132,771 companies runsonwhat tracks.

### What analytics tools does OpenCircle use?

OpenCircle uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on opencircle.com.br. Google Analytics is used by 851,941 companies runsonwhat tracks.

### What monitoring tools does OpenCircle use?

OpenCircle uses web-vitals for monitoring, according to runsonwhat (October 2026). runsonwhat found web-vitals through web-vitals code on opencircle.com.br. web-vitals is used by 25,965 companies runsonwhat tracks.

### Does OpenCircle use Google Ads?

Yes. runsonwhat found Google Ads at OpenCircle through Google Ads code on opencircle.com.br. Google Ads is a Ads & Pixels tool used by 458,899 companies runsonwhat tracks.

### How does runsonwhat know what OpenCircle uses?

runsonwhat reads public records only. Of the 16 tools at OpenCircle, 8 were found through code on opencircle.com.br, 4 through email records, 3 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 opencircle.com.br about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/opencircle.com.br (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.