Arpa_'s tech stack
What does Arpa_ use?
Arpa_ (arpa.tech) uses at least 7 tools we can see from public records, including Microsoft 365 for email and documents, Cloudflare for content delivery, SendGrid for email delivery and hCaptcha for security. Last checked .
- Industry
- IT Services
- Size
- 201–1,000 employees
- Based in
- Porto, Portugal
- Founded
- 2017
- Company page
- Tools found
- 7
- Categories
- 6
- Layers
- 4 of 5
- Last checked
- Oct 2026
Arpa_'s stack, layer by layer
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
1 tool, where the bytes are served from
CDN & Edge
Application
1 tool, what the product is built with
Media & UI
Go-to-market
1 tool, how they find and keep customers
Marketing
Company Ops
4 tools, what the team runs on day to day
Email Delivery
Security & Compliance
Arpa_ tech stack FAQ
What tools does Arpa_ use?
We've found 7 tools at Arpa_ (arpa.tech). Edge & Hosting: Cloudflare. Application: Google Fonts. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 5, 2026.
What email provider does Arpa_ use?
Arpa_ uses Microsoft 365 and Google Workspace for email and documents. We found Microsoft 365 through DNS verification records and email records.
Does Arpa_ use Microsoft 365?
Yes. We found Microsoft 365 at Arpa_ through DNS verification records and email records. Microsoft 365 is used by 685,184 companies we track.
How does runsonwhat know what Arpa_ uses?
We read public traces only: Arpa_'s DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.