What customer.io is built with
Read on 2026-10-28 12:32. 29 technologies spotted.
| Technology | Category | Version | Confidence | Tell |
|---|---|---|---|---|
| Airtable | Widgets | 100% | dns TXT: airtable-verification=a839ac25097d07e90b6725421494b506 | |
| Amazon Route 53 | Hosting | 100% | dns NS: ns-1181.awsdns-19.org | |
| Amazon SES | 100% | dns TXT: rs.mcsv.net include:amazonses.com include:mail.zendesk.com ~all | ||
| Amazon Web Services | PaaS | 100% | dns NS: ns-1181.awsdns-19.org | |
| Anthropic | Artificial Intelligence | 100% | dns TXT: anthropic-domain-verification-h4s30h=RXWAAyC4VDThCnWjaprWPkUET | |
| Cursor | Artificial Intelligence | 100% | dns TXT: cursor-domain-verification-m2k2b5=XfoK2FPHAUqoNHiCpHtqY2fXP | |
| DocuSign | Miscellaneous | 100% | dns TXT: docusign=48e7526a-7539-4ad0-b672-7a94c3a20c29 | |
| Google Workspace | Webmail, Email | 100% | dns MX: alt1.aspmx.l.google.com | |
| HSTS | Security | 100% | headers strict-transport-security: max-age=63072000 | |
| HubSpot | Marketing automation | 100% | dns TXT: hubspot-developer-verification=NDkzOTIwZWMtMDVkNS00YTAzLThlMDQtZDJmYzV | |
| JetBrains | Development | 100% | dns TXT: jetbrains-domain-verification=rdxczp2suguw502vrx4cqksy | |
| Let's Encrypt | SSL/TLS certificate authorities | 100% | certIssuer: Let's Encrypt, YR2 | |
| Linear | CRM | 100% | dns TXT: linear-domain-verification=wetdfvhymmbh | |
| Loom | Livestreaming | 100% | dns TXT: loom-site-verification=4dac5f34468e49a299444383229599d5 | |
| Meta | Miscellaneous | 100% | dns TXT: facebook-domain-verification=62g2j16g5qkvf38ekdrtxiez0bsqei | |
| Microsoft 365 | Webmail, Email | 100% | dns TXT: MS=ms56053829 | |
| Miro | Miscellaneous | 100% | dns TXT: miro-verification=89a8ecb5df4f4febc758723fcfabd5af59041414 | |
| Mixpanel | Analytics | 100% | dns TXT: mixpanel-domain-verify=d5c389d5-df00-473a-8263-3932c19beecb | |
| Notion | Page builders | 100% | dns TXT: notion-domain-verification=DHmczCmyAqc8TGp6DPbfWBxLb9lSgvPv7wSOiiJf | |
| Open Graph | Miscellaneous | 100% | dom meta[property*='og:']: <meta property="og:title" content="Customer.io: Customer Engagement Platform For Better Outcomes"> | |
| OpenAI | Artificial Intelligence | 100% | dns TXT: openai-domain-verification=dv-icOHzM0IplqgpTNoO3nJaRCX | |
| PWA | Miscellaneous | 100% | dom link[rel='manifest']: <link rel="manifest" href="/manifest.webmanifest"> | |
| Priority Hints | Performance | 100% | dom iframe[fetchpriority], img[fetchpriority], script[fetchpriority], link[fetchpriority]: <link rel="preload" as="script" fetchPriority="low" href="/_next/static/chunks/webpack-a2b0b6b859fd3ee2.js"> | |
| Sanity | CMS | 100% | dom img[src*='cdn.sanity.io'],img[srcset*='cdn.sanity.io'],video[src*='cdn.sanity.io'],source[src*='cdn.sanity.io'],source[srcset*='cdn.sanity.io'],track[src*='cdn.sanity.io'] @src: https://cdn.sanity.io/images/onirtmj2/pro | |
| Sanity.io | CMS | 100% | dom img[src*='cdn.sanity.io'],img[srcset*='cdn.sanity.io'],video[src*='cdn.sanity.io'],source[src*='cdn.sanity.io'],source[srcset*='cdn.sanity.io'],track[src*='cdn.sanity.io'] @src: https://cdn.sanity.io/images/onirtmj2/pro | |
| Slack | Miscellaneous | 100% | dns TXT: slack-domain-verification=XRnWU545ZVlzHN85aeTWX7xzunEJk8Ouav9KjN7Q | |
| Vercel | PaaS | 100% | headers server: Vercel | |
| Zapier | Development | 100% | dns TXT: zapier-domain-verification-challenge=3373ff99-18e1-4a49-8e81-67d830eb392b | |
| Zendesk | Documentation, Issue trackers, Live chat | 100% | dns TXT: azonses.com include:mail.zendesk.com ~all |
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