# What does Udemy use? Udemy (udemy.com) shows public evidence of 40 tools, according to runsonwhat (last checked 2026-11-05). - Industry: E-learning - Size: 1,001–5,000 employees - Based in: San Francisco, United States - Founded: 2010 - LinkedIn: https://www.linkedin.com/company/udemy ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Fastly](https://www.runsonwhat.com/reverse/fastly) | CDN & Edge | DNS records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records | | | [Twilio](https://www.runsonwhat.com/reverse/twilio) | Backend & Database | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | Custom domain | 2021-02 | | [Amplitude](https://www.runsonwhat.com/reverse/amplitude) | Analytics | Website code | | | [Pendo](https://www.runsonwhat.com/reverse/pendo) | Analytics | DNS verification records | | | [Maze](https://www.runsonwhat.com/reverse/maze) | Analytics | Website code | | | [CloudHealth](https://www.runsonwhat.com/reverse/cloudhealth) | Monitoring | DNS verification records | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records | 2016-05 | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Custom domain | 2026-04 | | [Calendly](https://www.runsonwhat.com/reverse/calendly) | Sales & CRM | DNS verification records | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Email records | | | [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Custom domain | 2013-06 | | [Prowly](https://www.runsonwhat.com/reverse/prowly) | Marketing | DNS verification records | | | [Decagon](https://www.runsonwhat.com/reverse/decagon) | Support & Docs | Certificate records | | | [Vanilla Forums](https://www.runsonwhat.com/reverse/vanilla) | Support & Docs | Custom domain | 2018-09 | ## 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 | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | DNS verification records, Website code | | | [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Canva](https://www.runsonwhat.com/reverse/canva) | Collaboration | DNS verification records | | | [Jamf](https://www.runsonwhat.com/reverse/jamf) | Security & Compliance | DNS verification records | | | [Cursor](https://www.runsonwhat.com/reverse/cursor) | Dev Tools | DNS verification records | | | [Citrix](https://www.runsonwhat.com/reverse/citrix) | Dev Tools | DNS verification records | | | [Loom](https://www.runsonwhat.com/reverse/loom) | Collaboration | DNS verification records | | | [SafeBase](https://www.runsonwhat.com/reverse/safebase) | Security & Compliance | Custom domain | 2025-04 | ## Recent changes at Udemy - 2026-11-05: stopped using [SparkPost](https://www.runsonwhat.com/reverse/sparkpost) - 2026-10-06: started using [Salesforce](https://www.runsonwhat.com/reverse/salesforce) ## FAQ ### What tools does Udemy use? As of November 2026, runsonwhat has found 40 tools at Udemy (udemy.com) in public records. Edge & Hosting: Cloudflare and Fastly. Application: React, Anthropic and Next.js. Data & Observability: Sentry, Atlassian Statuspage and Amplitude. Go-to-market: Mailchimp, Zendesk and Salesforce. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 5, 2026. ### What CRM does Udemy use? Udemy uses Salesforce for its CRM, alongside Calendly, according to runsonwhat (November 2026). runsonwhat found Salesforce through a subdomain that points at Salesforce, and Udemy has used it since at least April 2026. Salesforce is used by 35,438 companies runsonwhat tracks. ### What email provider does Udemy use? Udemy uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 734,184 companies runsonwhat tracks. ### What does Udemy use for customer support? Udemy uses Zendesk for customer support and documentation, alongside Intercom, Decagon and Vanilla Forums, according to runsonwhat (November 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Udemy has used it since at least May 2016. Zendesk is used by 43,654 companies runsonwhat tracks. ### What payment provider does Udemy use? Udemy uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through a DNS verification record for Stripe. Stripe is used by 31,412 companies runsonwhat tracks. ### What analytics tools does Udemy use? Udemy uses Amplitude for analytics, alongside Pendo and Maze, according to runsonwhat (November 2026). runsonwhat found Amplitude through Amplitude code on udemy.com. Amplitude is used by 5,058 companies runsonwhat tracks. ### How long has Udemy used Marketo? Udemy has used Marketo since at least June 2013, going by the first public certificate of the udemy.com subdomain that points at Marketo. Other long-running tools at Udemy include Zendesk (since May 2016), Vanilla Forums (since September 2018) and Atlassian Statuspage (since February 2021). ### Does Udemy use Cloudflare? Yes. runsonwhat found Cloudflare at Udemy through DNS records that point at Cloudflare and code on udemy.com. Cloudflare is a CDN & Edge tool used by 733,500 companies runsonwhat tracks. ### Does Udemy use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Udemy; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Udemy may use more AI tools than these. ### Has Udemy changed tools recently? Yes. On runsonwhat's rechecks, Udemy started using Salesforce (latest on October 6, 2026) and stopped using SparkPost (latest on November 5, 2026). A change counts only between two checks of udemy.com done the same way. ### Which companies have a tech stack similar to Udemy's? The companies with the stacks most like Udemy's are Thumbtack, WatchGuard Technologies, GAF and DigiCert, according to runsonwhat (November 2026). Each shares 12 to 24 tools with Udemy, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Udemy uses? runsonwhat reads public records only. Of the 40 tools at Udemy, 24 were found through DNS records, 6 through subdomains that point at the vendor, 5 through code on udemy.com, 4 through email records and 1 through certificate records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and udemy.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/udemy.com (updated November 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.