TopSend's tech stack
What does TopSend use?
TopSend (topmail.so) uses at least 14 tools we can see from public records, including Vercel for hosting, Google Workspace for email and documents, Intercom for customer support and Google Analytics for analytics. Last checked .
“Email marketing platform for growing businesses. Send campaigns, automations, and transactional emails.”
- Company page
- Tools found
- 14
- Categories
- 11
- Layers
- 5 of 5
- Changes seen
- 2
TopSend'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
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
2 tools, what the product is built with
Frontend
Data & Observability
4 tools, what they measure and store
Monitoring
Go-to-market
4 tools, how they find and keep customers
Company Ops
2 tools, what the team runs on day to day
Workspace
Security & Compliance
What changed at TopSend
Recent starts and stops
- StartedGoogle Search Console
- StartedKlaviyo
TopSend tech stack FAQ
What tools does TopSend use?
As of October 2026, runsonwhat has found 14 tools at TopSend (topmail.so) in public records. Edge & Hosting: Cloudflare and Vercel. Application: Next.js. Data & Observability: Google Analytics, web-vitals and PostHog. Go-to-market: Klaviyo, Reddit Ads and Intercom. Company Ops: Google Workspace and Valimail. Last checked October 20, 2026.
What cloud does TopSend run on?
TopSend uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel and DNS records. Vercel is used by 47,839 companies runsonwhat tracks.
What email provider does TopSend use?
TopSend 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 401,474 companies runsonwhat tracks.
What does TopSend use for customer support?
TopSend uses Intercom for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Intercom through email records that authorize Intercom. Intercom is used by 8,652 companies runsonwhat tracks.
What analytics tools does TopSend use?
TopSend uses Google Analytics for analytics, alongside PostHog and Mixpanel, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on topmail.so. Google Analytics is used by 873,153 companies runsonwhat tracks.
What marketing software does TopSend use?
TopSend uses Klaviyo for marketing, according to runsonwhat (October 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo. Klaviyo is used by 35,000 companies runsonwhat tracks.
Does TopSend use Cloudflare?
Yes. runsonwhat found Cloudflare at TopSend through DNS records that point at Cloudflare and code on topmail.so. Cloudflare is a CDN & Edge tool used by 700,679 companies runsonwhat tracks.
Has TopSend changed tools recently?
Yes. On runsonwhat's rechecks, TopSend started using Google Search Console and Klaviyo (latest on October 9, 2026). A change counts only between two checks of topmail.so done the same way.
How does runsonwhat know what TopSend uses?
runsonwhat reads public records only. Of the 14 tools at TopSend, 6 were found through code on topmail.so, 3 through DNS records, 3 through email 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 topmail.so 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.