5SIM's tech stack
What does 5SIM use?
5SIM (5sim.net) uses at least 9 tools we can see from public records, including ZoomInfo for sales, Brevo for marketing, Cloudflare for content delivery and Mailgun for email delivery. Last checked .
“Global SMS activation platform. Buy temporary virtual phone numbers for SMS verification from 150+ countries, 1100+ services. Operating since 2015. Smart Buy automatically picks numbers with the highest SMS delivery success rate, and the built-in AI assistant can answer questions and buy the best av”
- Size
- 11–50 employees
- Founded
- 2015
- Tools found
- 9
- Categories
- 6
- Layers
- 4 of 5
- Last checked
- Oct 2026
5SIM'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
4 tools, what the product is built with
Go-to-market
3 tools, how they find and keep customers
Marketing
Sales & CRM
Company Ops
1 tool, what the team runs on day to day
Email Delivery
5SIM tech stack FAQ
What tools does 5SIM use?
As of October 2026, runsonwhat has found 9 tools at 5SIM (5sim.net) in public records. Edge & Hosting: Cloudflare. Application: React, Tailwind CSS and Next.js. Go-to-market: Brevo and ZoomInfo. Company Ops: Mailgun. Last checked October 20, 2026.
What sales tools does 5SIM use?
The sales tools runsonwhat has found at 5SIM are ZoomInfo (October 2026); no CRM shows up in 5SIM's public records. runsonwhat found ZoomInfo through ZoomInfo code on 5sim.net. ZoomInfo is used by 17,001 companies runsonwhat tracks.
What marketing software does 5SIM use?
5SIM uses Brevo for marketing, according to runsonwhat (October 2026). runsonwhat found Brevo through Brevo code on 5sim.net. Brevo is used by 80,269 companies runsonwhat tracks.
Does 5SIM use Cloudflare?
Yes. runsonwhat found Cloudflare at 5SIM through DNS records that point at Cloudflare and code on 5sim.net. Cloudflare is a CDN & Edge tool used by 706,514 companies runsonwhat tracks.
How does runsonwhat know what 5SIM uses?
runsonwhat reads public records only. Of the 9 tools at 5SIM, 5 were found through code on 5sim.net, 2 through DNS records, 1 through website configuration files 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 5sim.net about 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.