What opensea.io is built with
Read on 2026-10-28 14:14. 34 technologies spotted.
| Technology | Category | Version | Confidence | Tell |
|---|---|---|---|---|
| Amazon S3 | CDN | 100% | headers content-security-policy: ainnet-temp-uploads.s3.us-east-1.amazonaws.com https://api.moonpay.com https://moonpay | |
| Amazon Web Services | PaaS | 100% | implied Amazon S3 | |
| Anthropic | Artificial Intelligence | 100% | dns TXT: anthropic-domain-verification-7k27ax=hT2KZAHNMV7a2tSh9cieoCUxK | |
| Apple iCloud Mail | Webmail | 100% | dns TXT: apple-domain-verification=ELyRHhpBTyfufsty | |
| Atlassian Cloud | Development | 100% | dns TXT: atlassian-domain-verification=1PfCmQaacw/ECNVuQ1AkodolOd/BVvpjNT4Bffsb | |
| Cloudflare | CDN | 100% | headers server: cloudflare | |
| Cloudflare Bot Management | Security | 100% | cookies __cf_bm: j7.ehJzwFWnqao0SwW1SEGBVUbUvhnNupyTdUURu3 | |
| Cloudflare DNS | Hosting | 100% | dns NS: nicole.ns.cloudflare.com | |
| Cursor | Artificial Intelligence | 100% | dns TXT: cursor-domain-verification-4zfcpw=ari86tRXibV7TSmfbvGIq9tYf | |
| DocuSign | Miscellaneous | 100% | dns TXT: docusign=21d05164-3b53-4865-88f4-fc093c7e84ff | |
| Figma | Miscellaneous | 100% | dns TXT: figma-domain-verification=9f3e4bd497d0c0dd6e76edef8dfbb81f4f6b16c1 | |
| Google Workspace | Webmail, Email | 100% | dns MX: alt2.aspmx.l.google.com | |
| HSTS | Security | 100% | headers strict-transport-security: max-age=15552000; includeSubDomains; prel | |
| HTTP/3 | Miscellaneous | 100% | headers alt-svc: h3=":443"; ma=86400 | |
| HackerOne | Security | 100% | dns TXT: h1-domain-verification=Bsi7zNNMQJMdNUgs5PZWjP7AMYAkPVa9xbRL6wEf | |
| HubSpot | Marketing automation | 100% | dns TXT: hubspot-domain-verification=MjQ0ODU3MmQtMDNjNy00NGQ2LWFiMmYtNmZiMmY | |
| Linear | CRM | 100% | dns TXT: linear-domain-verification=137782 | |
| Mailgun | 100% | dns TXT: .google.com include:mailgun.org include:_spf.atlassian.net include:mail | ||
| Microsoft 365 | Webmail, Email | 100% | dns TXT: MS=ms16319070 | |
| Miro | Miscellaneous | 100% | dns TXT: miro-verification=80b1c4dd4450a54c6feb9480700b70a39581eb17 | |
| Mixpanel | Analytics | 100% | dns TXT: mixpanel-domain-verify=ee907c3f-76b4-40b4-8f2f-57c8f8aa58a3 | |
| MongoDB Atlas | Databases | 100% | dns TXT: mongodb-site-verification=zMhSNQQRjWhgVYFlPIaz2flrTB4vzqSb | |
| Next.js | JavaScript frameworks, Web frameworks, Web servers, Static site generator | 100% | headers x-powered-by: Next.js | |
| Open Graph | Miscellaneous | 100% | dom meta[property*='og:']: <meta property="og:title" content="OpenSea, exchange everything — token trading and NFT marketplace"> | |
| OpenAI | Artificial Intelligence | 100% | dns TXT: openai-domain-verification=dv-00wsOyw21EBhIl9i0SPLGghW | |
| Priority Hints | Performance | 100% | dom iframe[fetchpriority], img[fetchpriority], script[fetchpriority], link[fetchpriority]: <link rel="preload" as="image" href="https://i2c.seadn.io/collection/invisible-friends-editions/image_type_hero_desktop/ | |
| React | JavaScript frameworks | 100% | implied Next.js | |
| Segment | Customer data platform | 100% | dns TXT: segment-site-verification=LJOzXeBmqaKRNrmKF2GIlt4vJ442n8kn | |
| Slack | Miscellaneous | 100% | dns TXT: slack-domain-verification=ZEyB9FuIdPL6k7REJmrdEo61PVJOlgoYQXNYIbpO | |
| Vercel | PaaS | 100% | headers x-vercel-cache: HIT | |
| Webpack | Miscellaneous | 100% | implied Next.js | |
| Zapier | Development | 100% | dns TXT: zapier-domain-verification-challenge=6d6abc15-dd7a-43d6-a1f5-cee105cc12e7 | |
| Zendesk | Documentation, Issue trackers, Live chat | 100% | dns TXT: lassian.net include:mail.zendesk.com -all | |
| Zoom | Miscellaneous | 100% | dns TXT: ZOOM_verify_dT6eM5gFyayVNcZLTDpZWt |
Look up any site with GET /v1/lookup?domain=opensea.io. Start free.