# What does assistant-ui use? assistant-ui (assistant-ui.com) shows public evidence of 15 tools, according to runsonwhat (last checked 2026-10-09). - Industry: Infrastructure - Size: 1–10 employees - Based in: San Francisco, United States ## 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 | DNS verification records, Custom domain, Website code | 2024-10 | ## 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, Custom domain, Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [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 | | | [Better Stack](https://www.runsonwhat.com/reverse/betterstack) | Monitoring | Custom domain | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [Rippling](https://www.runsonwhat.com/reverse/rippling) | People & HR | DNS verification records | | ## FAQ ### What tools does assistant-ui use? As of October 2026, runsonwhat has found 15 tools at assistant-ui (assistant-ui.com) in public records. Edge & Hosting: Cloudflare and Vercel. Application: React, Tailwind CSS and Next.js. Data & Observability: web-vitals, PostHog and Vercel Analytics. Go-to-market: Discord. Company Ops: Google Workspace and Rippling. Last checked October 9, 2026. ### What cloud does assistant-ui run on? assistant-ui uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a DNS verification record for Vercel and a subdomain, and assistant-ui has used it since at least October 2024. Vercel is used by 46,965 companies runsonwhat tracks. ### What email provider does assistant-ui use? assistant-ui uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on assistant-ui.com. Google Workspace is used by 399,380 companies runsonwhat tracks. ### What does assistant-ui use for customer support? assistant-ui uses Discord for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Discord through Discord code on assistant-ui.com. Discord is used by 4,839 companies runsonwhat tracks. ### What payment provider does assistant-ui use? assistant-ui uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and a subdomain. Stripe is used by 26,530 companies runsonwhat tracks. ### What analytics tools does assistant-ui use? assistant-ui uses PostHog for analytics, alongside Vercel Analytics, according to runsonwhat (October 2026). runsonwhat found PostHog through PostHog code on assistant-ui.com. PostHog is used by 9,475 companies runsonwhat tracks. ### How long has assistant-ui used Vercel? assistant-ui has used Vercel since at least October 2024, going by the first public certificate of the assistant-ui.com subdomain that points at Vercel. ### Does assistant-ui use Cloudflare? Yes. runsonwhat found Cloudflare at assistant-ui through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 694,573 companies runsonwhat tracks. ### Which companies have a tech stack similar to assistant-ui's? The companies with the stacks most like assistant-ui's are Coris, Alternativeto, Blaze Payments and Circularise, according to runsonwhat (October 2026). Each shares 4 to 11 tools with assistant-ui, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what assistant-ui uses? runsonwhat reads public records only. Of the 15 tools at assistant-ui, 7 were found through code on assistant-ui.com, 5 through DNS records, 1 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 assistant-ui.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/assistant-ui.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.