# What does KZero Passwordless Inc. use? KZero Passwordless Inc. (kzero.com) shows public evidence of 28 tools, according to runsonwhat (last checked 2026-10-22). - Industry: IT Services - Size: 11–50 employees - Based in: Montreal, Canada - LinkedIn: https://www.linkedin.com/company/kelvin-zero ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Website code | | | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [GSAP](https://www.runsonwhat.com/reverse/gsap) | Media & UI | Website code | | | [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, Website code | | | [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code | | ## 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 | | ## 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 | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain | 2023-06 | | [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | DNS verification records, Email records, Website code | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | 2023-06 | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Dealfront](https://www.runsonwhat.com/reverse/leadfeeder) | Sales & CRM | Website code | | | [Lead Forensics](https://www.runsonwhat.com/reverse/lead-forensics) | Sales & CRM | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, DNS verification records, Website code | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code | | | [Miro](https://www.runsonwhat.com/reverse/miro) | Collaboration | DNS verification records | | | [Wiz](https://www.runsonwhat.com/reverse/wiz) | Security & Compliance | DNS verification records | | | [Wrike](https://www.runsonwhat.com/reverse/wrike) | Collaboration | DNS verification records | | ## FAQ ### What tools does KZero Passwordless use? As of October 2026, runsonwhat has found 28 tools at KZero Passwordless (kzero.com) in public records. Edge & Hosting: Cloudflare, Vercel and Microsoft Azure. Application: GSAP, Anthropic and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, LinkedIn Insight Tag and HubSpot. Company Ops: Microsoft 365, reCAPTCHA and Apple Business. Last checked October 22, 2026. ### What cloud does KZero Passwordless run on? KZero Passwordless uses Vercel for hosting and cloud infrastructure, alongside Microsoft Azure, according to runsonwhat (October 2026). runsonwhat found Vercel through Vercel code on kzero.com. Vercel is used by 48,852 companies runsonwhat tracks. ### What CRM does KZero Passwordless use? KZero Passwordless uses HubSpot for its CRM, alongside Zoho, Dealfront and Lead Forensics, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot, and KZero Passwordless has used it since at least June 2023. HubSpot is used by 94,734 companies runsonwhat tracks. ### What email provider does KZero Passwordless use? KZero Passwordless uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 715,034 companies runsonwhat tracks. ### What payment provider does KZero Passwordless use? KZero Passwordless uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on kzero.com. Stripe is used by 29,173 companies runsonwhat tracks. ### What analytics tools does KZero Passwordless use? KZero Passwordless uses Google Analytics for analytics, alongside Google Tag Manager and Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on kzero.com. Google Analytics is used by 888,418 companies runsonwhat tracks. ### How long has KZero Passwordless used HubSpot? KZero Passwordless has used HubSpot since at least June 2023, going by the first public certificate of the kzero.com subdomain that points at HubSpot. Other long-running tools at KZero Passwordless include HubSpot CMS (since June 2023). ### Does KZero Passwordless use Cloudflare? Yes. runsonwhat found Cloudflare at KZero Passwordless through Cloudflare code on kzero.com. Cloudflare is a CDN & Edge tool used by 707,812 companies runsonwhat tracks. ### Does KZero Passwordless use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at KZero Passwordless; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so KZero Passwordless may use more AI tools than these. ### Which companies have a tech stack similar to KZero Passwordless's? The companies with the stacks most like KZero Passwordless' are Gain Theory, Prologis, Neuways and True, according to runsonwhat (October 2026). Each shares 3 to 16 tools with KZero Passwordless, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what KZero Passwordless uses? runsonwhat reads public records only. Of the 28 tools at KZero Passwordless, 14 were found through code on kzero.com, 11 through DNS records, 2 through subdomains that point at the vendor and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and kzero.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/kzero.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.