agentdomainservice.com — The #1 easiest way to search for available domains
EXPLORE: startup | AVAILABLE=0/8 TLDs
TLDS: startup.com=taken | startup.io=taken | startup.dev=taken | startup.ai=taken | startup.app=taken | startup.co=taken | startup.net=taken | startup.org=taken
QUERY OPTIONS (for continued exploration):
• Explore with filters: /explore/{name}?context={description}&max_price={usd}
• Check single domain: /lookup/{domain.tld}?context={description}&max_price={usd}
• Example: /explore/myapp?context=ai+saas+tool&max_price=20
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startup

Domain availability across 8 TLDs

0
Available
8
Taken

All startup domains are taken (.com, .io, .dev, .ai, .app, .co, .net, .org).

All TLDs

startup.com
Unknown
startup.io
Unknown
startup.dev
Unknown
startup.ai
Unknown
startup.app
Unknown
startup.co
Unknown
startup.net
Unknown
startup.org
Unknown

Alternative Domain Ideas

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Machine-readable result:
{
  "name": "startup",
  "checked_at": "2026-02-02T01:36:17.424Z",
  "results": [
    {
      "tld": "com",
      "domain": "startup.com",
      "available": false,
      "status": "unknown",
      "purchase_price": null,
      "renewal_price": null,
      "premium": false
    },
    {
      "tld": "io",
      "domain": "startup.io",
      "available": false,
      "status": "unknown",
      "purchase_price": null,
      "renewal_price": null,
      "premium": false
    },
    {
      "tld": "dev",
      "domain": "startup.dev",
      "available": false,
      "status": "unknown",
      "purchase_price": null,
      "renewal_price": null,
      "premium": false
    },
    {
      "tld": "ai",
      "domain": "startup.ai",
      "available": false,
      "status": "unknown",
      "purchase_price": null,
      "renewal_price": null,
      "premium": false
    },
    {
      "tld": "app",
      "domain": "startup.app",
      "available": false,
      "status": "unknown",
      "purchase_price": null,
      "renewal_price": null,
      "premium": false
    },
    {
      "tld": "co",
      "domain": "startup.co",
      "available": false,
      "status": "unknown",
      "purchase_price": null,
      "renewal_price": null,
      "premium": false
    },
    {
      "tld": "net",
      "domain": "startup.net",
      "available": false,
      "status": "unknown",
      "purchase_price": null,
      "renewal_price": null,
      "premium": false
    },
    {
      "tld": "org",
      "domain": "startup.org",
      "available": false,
      "status": "unknown",
      "purchase_price": null,
      "renewal_price": null,
      "premium": false
    }
  ]
}
startup domains — All taken | AgentDomainService | AgentDomainService