# What does Contra use? Contra (contra.com) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-11-08). - LinkedIn: https://www.linkedin.com/company/contrahq ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | | [Google Cloud](https://www.runsonwhat.com/reverse/gcp) | Hosting & Cloud | Website code | | ## 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 | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | Website code | | | [Hyperping](https://www.runsonwhat.com/reverse/hyperping) | Monitoring | Custom domain | 2020-12 | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records, Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | DNS verification records | | | [Webflow](https://www.runsonwhat.com/reverse/webflow) | Website & CMS | DNS verification records | | | [Yandex Webmaster](https://www.runsonwhat.com/reverse/yandex) | Marketing | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [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, Website code | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Vanta](https://www.runsonwhat.com/reverse/vanta) | Security & Compliance | Custom domain | 2025-11 | ## Hiring at Contra 7 open roles on its public job board: Other 5, Data & AI 2. ## FAQ ### What tools does Contra use? As of November 2026, runsonwhat has found 21 tools at Contra (contra.com) in public records. Edge & Hosting: Cloudflare and Google Cloud. Application: React and Anthropic. Data & Observability: Sentry, Segment and Hyperping. Go-to-market: Meta Pixel, HubSpot and Pinterest. Company Ops: Google Workspace, SendGrid and Atlassian. Last checked November 8, 2026. ### What cloud does Contra run on? Contra uses Google Cloud for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Google Cloud through Google Cloud code on contra.com. Google Cloud is used by 78,022 companies runsonwhat tracks. ### What CRM does Contra use? Contra uses HubSpot for its CRM, according to runsonwhat (November 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on contra.com. HubSpot is used by 97,946 companies runsonwhat tracks. ### What email provider does Contra use? Contra uses Google Workspace for email and office software, according to runsonwhat (November 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on contra.com. Google Workspace is used by 421,814 companies runsonwhat tracks. ### What analytics tools does Contra use? Contra uses Segment for analytics, according to runsonwhat (November 2026). runsonwhat found Segment through Segment code on contra.com. Segment is used by 6,793 companies runsonwhat tracks. ### What is Contra's website built with? Contra uses Webflow for its website, according to runsonwhat (November 2026). runsonwhat found Webflow through a DNS verification record for Webflow. Webflow is used by 36,416 companies runsonwhat tracks. ### How long has Contra used Hyperping? Contra has used Hyperping since at least December 2020, going by the first public certificate of the contra.com subdomain that points at Hyperping. Other long-running tools at Contra include Vanta (since November 2025). ### Does Contra use Cloudflare? Yes. runsonwhat found Cloudflare at Contra through DNS records that point at Cloudflare and code on contra.com. Cloudflare is a CDN & Edge tool used by 735,475 companies runsonwhat tracks. ### Does Contra use AI tools? Yes. runsonwhat has found Anthropic at Contra; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Contra may use more AI tools than these. ### Is Contra hiring? Yes. As of November 2026, Contra has 7 open roles on its public Ashby job board, most in data & AI (2). 2 were posted in the last 30 days. ### Which companies have a tech stack similar to Contra's? The companies with the stacks most like Contra's are Border0, Nivelo, Slite and Free Market Health, according to runsonwhat (November 2026). Each shares 4 to 9 tools with Contra, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Contra uses? runsonwhat reads public records only. Of the 21 tools at Contra, 12 were found through DNS records, 4 through code on contra.com, 3 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and contra.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/contra.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.