# What does Upsun use? Upsun (platform.sh) shows public evidence of 53 tools, according to runsonwhat (last checked 2026-10-09). - LinkedIn: https://www.linkedin.com/company/upsundotcom ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records, Website code | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records | | | [Gatsby](https://www.runsonwhat.com/reverse/gatsby) | Frontend | Website code | | | [Mistral AI](https://www.runsonwhat.com/reverse/mistral) | AI | DNS verification records | | ## 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | DNS verification records | | | [Pendo](https://www.runsonwhat.com/reverse/pendo) | Analytics | DNS verification records | | | [Heap](https://www.runsonwhat.com/reverse/heap) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code | | | [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Custom domain, Website code | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Email records | | | [G2](https://www.runsonwhat.com/reverse/g2) | Marketing | Website code | | | [Drift](https://www.runsonwhat.com/reverse/drift) | Support & Docs | Website code | | | [Prowly](https://www.runsonwhat.com/reverse/prowly) | Marketing | DNS verification records | | | [Reo.dev](https://www.runsonwhat.com/reverse/reo) | Sales & CRM | Website code | | ## 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 | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Email records | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | DNS verification records, Website code | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [PowerDMARC](https://www.runsonwhat.com/reverse/powerdmarc) | Security & Compliance | Email records | | | [Zapier](https://www.runsonwhat.com/reverse/zapier) | Dev Tools | DNS verification records | | | [Detectify](https://www.runsonwhat.com/reverse/detectify) | Security & Compliance | DNS verification records | | | [HackerOne](https://www.runsonwhat.com/reverse/hackerone) | Security & Compliance | DNS verification records | | | [Maven Central](https://www.runsonwhat.com/reverse/maven-central) | Dev Tools | DNS verification records | | | [Linear](https://www.runsonwhat.com/reverse/linear) | Dev Tools | DNS verification records | | | [AbuseIPDB](https://www.runsonwhat.com/reverse/abuseipdb) | Security & Compliance | DNS verification records | | | [Qase](https://www.runsonwhat.com/reverse/qase) | Dev Tools | DNS verification records | | ## Recent changes at Upsun - 2026-10-09: stopped using [Platform.sh](https://www.runsonwhat.com/reverse/platformsh) - 2026-10-09: started using [Qase](https://www.runsonwhat.com/reverse/qase) ## FAQ ### What tools does Upsun use? As of October 2026, runsonwhat has found 53 tools at Upsun (platform.sh) in public records. Edge & Hosting: Amazon Route 53, Fastly and Amazon CloudFront. Application: Anthropic, OpenAI and Stripe. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 9, 2026. ### What sales tools does Upsun use? The sales tools runsonwhat has found at Upsun are ZoomInfo and Reo.dev (October 2026); no CRM shows up in Upsun's public records. runsonwhat found ZoomInfo through ZoomInfo code on platform.sh. ### What email provider does Upsun use? Upsun uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 701,702 companies runsonwhat tracks. ### What does Upsun use for customer support? Upsun uses Zendesk for customer support and documentation, alongside Intercom and Drift, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records. Zendesk is used by 40,922 companies runsonwhat tracks. ### What payment provider does Upsun use? Upsun uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe. Stripe is used by 26,316 companies runsonwhat tracks. ### What analytics tools does Upsun use? Upsun uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Pendo, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on platform.sh. Google Analytics is used by 852,516 companies runsonwhat tracks. ### Does Upsun use Google Ads? Yes. runsonwhat found Google Ads at Upsun through Google Ads code on platform.sh. Google Ads is a Ads & Pixels tool used by 460,166 companies runsonwhat tracks. ### Does Upsun use AI tools? Yes. runsonwhat has found Anthropic, OpenAI and Mistral AI at Upsun; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Upsun may use more AI tools than these. ### Has Upsun changed tools recently? Yes. On runsonwhat's rechecks, Upsun started using Qase (latest on October 9, 2026) and stopped using Platform.sh (latest on October 9, 2026). A change counts only between two checks of platform.sh done the same way. ### Which companies have a tech stack similar to Upsun's? The companies with the stacks most like Upsun's are Exadel, n8n, VRChat and École des entrepreneurs du Québec, according to runsonwhat (October 2026). Each shares 14 to 22 tools with Upsun, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Upsun uses? runsonwhat reads public records only. Of the 53 tools at Upsun, 28 were found through DNS records, 14 through code on platform.sh, 7 through email records, 3 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and platform.sh about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/platform.sh (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.