# What does Pax Labs use? Pax Labs (pax.com) shows public evidence of 24 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Alternative Medicine - Size: 51–200 employees - Based in: San Francisco, United States - Founded: 2017 - LinkedIn: https://www.linkedin.com/company/madebypax ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain, Website code | | | [Amazon Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain | | ## 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 | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records, Website code | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Custom domain, DNS records, Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Custom domain, Email records, Website code | | | [Builder.io](https://www.runsonwhat.com/reverse/builderio) | Website & CMS | 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 | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Custom domain, 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 | | | [GlobalSign](https://www.runsonwhat.com/reverse/globalsign) | Security & Compliance | DNS verification records | | | [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [Dropbox](https://www.runsonwhat.com/reverse/dropbox) | Collaboration | DNS verification records, Website code | | ## FAQ ### What tools does Pax Labs use? As of October 2026, runsonwhat has found 24 tools at Pax Labs (pax.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: React and Anthropic. Go-to-market: Mailchimp, Shopify and Klaviyo. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026. ### What cloud does Pax Labs run on? Pax Labs uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on pax.com. Amazon Web Services is used by 145,620 companies runsonwhat tracks. ### What CRM does Pax Labs use? Pax Labs uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through a subdomain that points at Salesforce and email records. Salesforce is used by 34,029 companies runsonwhat tracks. ### What email provider does Pax Labs use? Pax Labs 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 710,126 companies runsonwhat tracks. ### What is Pax Labs's website built with? Pax Labs uses Shopify for its website, alongside Builder.io, according to runsonwhat (October 2026). runsonwhat found Shopify through a subdomain that points at Shopify and DNS records. Shopify is used by 59,444 companies runsonwhat tracks. ### What marketing software does Pax Labs use? Pax Labs uses Mailchimp for marketing, alongside Klaviyo, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp and code on pax.com. Mailchimp is used by 114,922 companies runsonwhat tracks. ### Does Pax Labs use Cloudflare? Yes. runsonwhat found Cloudflare at Pax Labs through Cloudflare code on pax.com. Cloudflare is a CDN & Edge tool used by 702,554 companies runsonwhat tracks. ### Does Pax Labs use AI tools? Yes. runsonwhat has found Anthropic at Pax Labs; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Pax Labs may use more AI tools than these. ### Which companies have a tech stack similar to Pax Labs's? The companies with the stacks most like Pax Labs' are Luminos Labs, Orlando Health, Alpari Partners and Harald Nyborg, according to runsonwhat (October 2026). Each shares 4 to 7 tools with Pax Labs, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Pax Labs uses? runsonwhat reads public records only. Of the 24 tools at Pax Labs, 10 were found through DNS records, 5 through subdomains that point at the vendor, 4 through code on pax.com, 4 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 pax.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/pax.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.