# What does SegmentStream use? SegmentStream (segmentstream.com) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Software - Size: 1–10 employees - Based in: London, United Kingdom - Founded: 2018 - LinkedIn: https://www.linkedin.com/company/segmentstream ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS verification records, DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Website code | | | [WorkOS](https://www.runsonwhat.com/reverse/workos) | Auth & Identity | Custom domain | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [RudderStack](https://www.runsonwhat.com/reverse/rudderstack) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Website code | | | [Yandex Webmaster](https://www.runsonwhat.com/reverse/yandex) | Marketing | DNS verification records | | | [Cal.com](https://www.runsonwhat.com/reverse/calcom) | Sales & CRM | Certificate records | 2026-04 | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code | | | [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 SegmentStream use? As of October 2026, runsonwhat has found 21 tools at SegmentStream (segmentstream.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics and RudderStack. Go-to-market: Meta Pixel, HubSpot and Zendesk. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026. ### What cloud does SegmentStream run on? SegmentStream uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record. Vercel is used by 49,551 companies runsonwhat tracks. ### What CRM does SegmentStream use? SegmentStream uses HubSpot for its CRM, alongside Cal.com, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on segmentstream.com. HubSpot is used by 95,126 companies runsonwhat tracks. ### What email provider does SegmentStream use? SegmentStream uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 716,550 companies runsonwhat tracks. ### What does SegmentStream use for customer support? SegmentStream uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on segmentstream.com. Zendesk is used by 42,359 companies runsonwhat tracks. ### What payment provider does SegmentStream use? SegmentStream uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on segmentstream.com. Stripe is used by 29,658 companies runsonwhat tracks. ### How long has SegmentStream used Cal.com? SegmentStream has used Cal.com since at least April 2026, going by the first public certificate of the segmentstream.com subdomain that points at Cal.com. ### Does SegmentStream use Cloudflare? Yes. runsonwhat found Cloudflare at SegmentStream through DNS records that point at Cloudflare and code on segmentstream.com. Cloudflare is a CDN & Edge tool used by 710,746 companies runsonwhat tracks. ### Which companies have a tech stack similar to SegmentStream's? The companies with the stacks most like SegmentStream's are Speakeasy API, Axios HQ, Plaud and Aiir Innovations, according to runsonwhat (October 2026). Each shares 6 to 13 tools with SegmentStream, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what SegmentStream uses? runsonwhat reads public records only. Of the 21 tools at SegmentStream, 7 were found through DNS records, 5 through code on segmentstream.com, 5 through email records, 2 through subdomains that point at the vendor, 1 through website configuration files and 1 through certificate records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and segmentstream.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/segmentstream.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.