# What does UptimeRobot use? UptimeRobot (uptimerobot.com) shows public evidence of 40 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Software - Size: 1–10 employees - Based in: Sliema, Slovakia - Founded: 2010 - LinkedIn: https://www.linkedin.com/company/uptime-robot ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code, Subprocessor list | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Subprocessor list, Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Subprocessor list | | | [Hetzner](https://www.runsonwhat.com/reverse/hetzner) | Hosting & Cloud | Subprocessor list | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [PayPal](https://www.runsonwhat.com/reverse/paypal) | Payments & Billing | Subprocessor list | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Subprocessor list, Website code | | | [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code | | | [Twilio](https://www.runsonwhat.com/reverse/twilio) | Backend & Database | Subprocessor list | | | [MCP Registry](https://www.runsonwhat.com/reverse/mcp-registry) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code, Subprocessor list | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code, Subprocessor list | | | [ClickHouse](https://www.runsonwhat.com/reverse/clickhouse) | Data Pipeline | Subprocessor list | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code, Subprocessor list | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Calendly](https://www.runsonwhat.com/reverse/calendly) | Sales & CRM | Website code, Subprocessor list | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Criteo](https://www.runsonwhat.com/reverse/criteo) | Ads & Pixels | Website code, Subprocessor list | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [Intercom](https://www.runsonwhat.com/reverse/intercom) | Support & Docs | Website code, Subprocessor list | | | [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code | | | [Pipedrive](https://www.runsonwhat.com/reverse/pipedrive) | Sales & CRM | Subprocessor list | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Subprocessor list | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records, Website code | | | [Cookiebot](https://www.runsonwhat.com/reverse/cookiebot) | Security & Compliance | Website code, Subprocessor list | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Subprocessor list, Website code | | | [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 | | | [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Subprocessor list | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | Subprocessor list | | | [Notion](https://www.runsonwhat.com/reverse/notion) | Collaboration | Subprocessor list | | | [Loom](https://www.runsonwhat.com/reverse/loom) | Collaboration | Subprocessor list | | | [Linear](https://www.runsonwhat.com/reverse/linear) | Dev Tools | Subprocessor list | | | [Retool](https://www.runsonwhat.com/reverse/retool) | Dev Tools | Subprocessor list | | ## Recent changes at UptimeRobot - 2026-10-09: started using [MCP Registry](https://www.runsonwhat.com/reverse/mcp-registry) ## FAQ ### What tools does UptimeRobot use? As of October 2026, runsonwhat has found 40 tools at UptimeRobot (uptimerobot.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: Tailwind CSS, PayPal and Stripe. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace, SendGrid and Cookiebot. Last checked October 20, 2026. ### What cloud does UptimeRobot run on? UptimeRobot uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel and Hetzner, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services on uptimerobot.com's subprocessor list and code on uptimerobot.com. Amazon Web Services is used by 145,617 companies runsonwhat tracks. ### What CRM does UptimeRobot use? UptimeRobot uses Pipedrive for its CRM, alongside Calendly, according to runsonwhat (October 2026). runsonwhat found Pipedrive through Pipedrive on uptimerobot.com's subprocessor list. Pipedrive is used by 869 companies runsonwhat tracks. ### What email provider does UptimeRobot use? UptimeRobot 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 its subprocessor list. Google Workspace is used by 402,316 companies runsonwhat tracks. ### What does UptimeRobot use for customer support? UptimeRobot uses Intercom for customer support and documentation, alongside Discord, according to runsonwhat (October 2026). runsonwhat found Intercom through Intercom code on uptimerobot.com and its subprocessor list. Intercom is used by 8,739 companies runsonwhat tracks. ### What payment provider does UptimeRobot use? UptimeRobot uses PayPal for payments and billing, alongside Stripe, according to runsonwhat (October 2026). runsonwhat found PayPal through PayPal on uptimerobot.com's subprocessor list. PayPal is used by 34,357 companies runsonwhat tracks. ### Does UptimeRobot use Cloudflare? Yes. runsonwhat found Cloudflare at UptimeRobot through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 702,506 companies runsonwhat tracks. ### Does UptimeRobot use AI tools? Yes. runsonwhat has found MCP Registry at UptimeRobot; MCP Registry, for example, through a DNS verification record for MCP Registry. AI services called only from servers leave no public trace, so UptimeRobot may use more AI tools than these. ### Has UptimeRobot changed tools recently? Yes. On runsonwhat's rechecks, UptimeRobot started using MCP Registry (latest on October 9, 2026). A change counts only between two checks of uptimerobot.com done the same way. ### Which companies have a tech stack similar to UptimeRobot's? The companies with the stacks most like UptimeRobot's are Baseten, Owner.com, Basedash and Sazabi, according to runsonwhat (October 2026). Each shares 11 to 19 tools with UptimeRobot, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what UptimeRobot uses? runsonwhat reads public records only. Of the 40 tools at UptimeRobot, 15 were found through code on uptimerobot.com, 13 through its own subprocessor list, 8 through DNS records, 3 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 uptimerobot.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/uptimerobot.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.