# What does Knock use? Knock (knock.app) shows public evidence of 27 tools, according to runsonwhat (last checked 2026-10-20). - Size: 11–50 employees - Based in: New York, United States - LinkedIn: https://www.linkedin.com/company/knocklabs ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS verification 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 | | | [MongoDB Atlas](https://www.runsonwhat.com/reverse/mongodb) | Backend & Database | DNS verification records | | | [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 | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code | | | [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Website code | | | [Vercel Analytics](https://www.runsonwhat.com/reverse/vercel-analytics) | Analytics | Website code | | | [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | Website code | | | [incident.io](https://www.runsonwhat.com/reverse/incidentio) | Monitoring | Custom domain | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Website code | | | [Dub](https://www.runsonwhat.com/reverse/dub) | Marketing | 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, Website code | | | [Maven Central](https://www.runsonwhat.com/reverse/maven-central) | Dev Tools | DNS verification records | | | [Ashby](https://www.runsonwhat.com/reverse/ashby) | People & HR | Website code | | ## Hiring at Knock 3 open roles on its public job board: Engineering 3. ## FAQ ### What tools does Knock use? As of October 2026, runsonwhat has found 27 tools at Knock (knock.app) in public records. Edge & Hosting: Cloudflare and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and web-vitals. Go-to-market: Google Ads, LinkedIn Insight Tag and X Ads. Company Ops: Microsoft 365, Google Workspace and Maven Central. Last checked October 20, 2026. ### What cloud does Knock run on? Knock 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 48,053 companies runsonwhat tracks. ### What email provider does Knock use? Knock 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 710,128 companies runsonwhat tracks. ### What does Knock use for customer support? Knock uses Intercom for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Intercom through Intercom code on knock.app. Intercom is used by 8,739 companies runsonwhat tracks. ### What analytics tools does Knock use? Knock uses Google Analytics for analytics, alongside Google Tag Manager, PostHog and Vercel Analytics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on knock.app. Google Analytics is used by 878,460 companies runsonwhat tracks. ### What marketing software does Knock use? Knock uses Dub for marketing, according to runsonwhat (October 2026). runsonwhat found Dub through Dub code on knock.app. Dub is used by 505 companies runsonwhat tracks. ### Does Knock use Cloudflare? Yes. runsonwhat found Cloudflare at Knock through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 702,506 companies runsonwhat tracks. ### Is Knock hiring? Yes. As of October 2026, Knock has 3 open roles on its public Ashby job board, most in engineering (3). None were posted in the last 30 days. ### Which companies have a tech stack similar to Knock's? The companies with the stacks most like Knock's are Momentic AI, Speakeasy API, Vitalize and Weave, according to runsonwhat (October 2026). Each shares 9 to 19 tools with Knock, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Knock uses? runsonwhat reads public records only. Of the 27 tools at Knock, 17 were found through code on knock.app, 5 through DNS records, 3 through subdomains that point at the vendor, 1 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and knock.app about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/knock.app (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.