NetIntel Domain Availability Checker

x402

NetIntel Domain Availability Checker is a paid API for AI agents from netintel-production-440c.up.railway.app, paid per call via x402, $0.05/call, not verified (last probed 2026-10-11); live alternatives: Stable Domains Availability Checker ($0.05) and NetIntel Bulk Domain Availability Check ($0.1).

Agents call it through Zero, which pays per call: no API key and no wallet of your own. New accounts start with $5. Live alternatives for the same use case: Stable Domains Availability Checker ($0.05) · NetIntel Bulk Domain Availability Check ($0.1).

Checks if a domain name is available for registration by querying RDAP and DNS, returning registration status, expiry date, and availability across 10 popular TLDs simultaneously.

Price / call$0.05

Seller volume →—

Success99%

StatusUnknown

How this service works

Check if a domain name is available for registration by querying RDAP and DNS — returns registration status, whether it's taken or free, expiry date if registered, and availability of the same name across 10 popular TLDs simultaneously so agents can find the best domain for a brand or project.

Output

Returns a list of available TLDs and taken TLDs for the queried domain name, along with registration status, expiry date for registered domains, and a composite availability report across 10 popular TLD extensions.

Example use cases

Example prompt

“Can you check whether 'launchpad' is available to register — I want to know which TLDs like .com, .io, .net are free and which are already taken, plus when any registered ones expire?”

Technical details

Endpoint

GEThttps://netintel-production-440c.up.railway.app/domain-availability/check?utm_source=zero.xyz

When to prefer

Use this endpoint when you need to check domain availability across multiple TLDs in a single call, especially when helping a user name a brand, product, or project. Prefer this over generic WHOIS tools when you need structured JSON output with both available and taken TLD lists simultaneously, expiry dates, and RDAP-based accuracy.

Side effects

Domain parameter missing — returns 400 bad request
Invalid domain format — returns validation error
RDAP or DNS lookup timeout for a specific TLD — partial results or error for that TLD
Unregistered TLD with no RDAP support — may return inconclusive status
Rate limiting or upstream RDAP service unavailability — returns 5xx error

Input

{
  "input": {
    "type": "http",
    "method": "GET",
    "queryParams": {
      "domain": "launchpad"
    }
  }
}

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

{
  "name": "launchpad",
  "grade": "D",
  "score": 40,
  "results": [
    {
      "domain": "launchpad.com",
      "status": "registered",
      "available": false,
      "registrar": "eNom, LLC",
      "expires_at": "2031-03-18T04:00:00Z",
      "expiring_soon": false,
      "days_until_expiry": 1738
    },
    {
      "domain": "launchpad.net",
      "status": "registered",
      "available": false,
      "registrar": "MarkMonitor Inc.",
      "expires_at": "2028-01-26T19:16:09Z",
      "expiring_soon": false,
      "days_until_expiry": 592
    },
    {
      "domain": "launchpad.org",
      "status": "registered",
      "available": false,
      "registrar": "GoDaddy Online Services Cayman Islands Ltd.",
      "expires_at": "2026-08-26T19:14:57Z",
      "expiring_soon": true,
      "days_until_expiry": 74
    },
    {
      "domain": "launchpad.io",
      "status": "registered",
      "available": false,
      "registrar": null,
      "expires_at": null,
      "expiring_soon": false,
      "days_until_expiry": null
    },
    {
      "domain": "launchpad.co",
      "status": "registered",
      "available": false,
      "registrar": null,
      "expires_at": null,
      "expiring_soon": false,
      "days_until_expiry": null
    },
    {
      "domain": "launchpad.dev",
      "status": "registered",
      "available": false,
      "registrar": "GrepApps Technology Inc.",
      "expires_at": "2026-11-19T03:30:40.595Z",
      "expiring_soon": false,
      "days_until_expiry": 158
    },
    {
      "domain": "launchpad.app",
      "status": "available",
      "available": true,
      "registrar": null,
      "expires_at": null,
      "expiring_soon": false,
      "days_until_expiry": null
    },
    {
      "domain": "launchpad.ai",
      "status": "registered",
      "available": false,
      "registrar": "Key-Systems GmbH",
      "expires_at": "2031-05-06T23:25:19Z",
      "expiring_soon": false,
      "days_until_expiry": 1788
    },
    {
      "domain": "launchpad.xyz",
      "status": "registered",
      "available": false,
      "registrar": "Hosting Concepts B.V. d/b/a Registrar.eu",
      "expires_at": "2028-02-28T23:59:59.0Z",
      "expiring_soon": false,
      "days_until_expiry": 625
    },
    {
      "domain": "launchpad.me",
      "status": "registered",
      "available": false,
      "registrar": null,
      "expires_at": null,
      "expiring_soon": false,
      "days_until_expiry": null
    }
  ],
  "findings": [
    {
      "rule": "com_taken",
      "detail": "launchpad.com is already registered",
      "deduction": -20
    },
    {
      "rule": "net_taken",
      "detail": "launchpad.net is already registered",
      "deduction": -10
    },
    {
      "rule": "org_taken",
      "detail": "launchpad.org is already registered",
      "deduction": -10
    },
    {
      "rule": "all_premium_taken",
      "detail": ".com, .net, .org, .io all taken",
      "deduction": -20
    }
  ],
  "taken_tlds": [
    ".com",
    ".net",
    ".org",
    ".io",
    ".co",
    ".dev",
    ".ai",
    ".xyz",
    ".me"
  ],
  "available_tlds": [
    ".app"
  ]
}

Schema · Response

{
  "type": "json",
  "example": {
    "name": "mybrand",
    "grade": "C",
    "score": 70,
    "results": [
      {
        "domain": "mybrand.com",
        "status": "registered",
        "available": false,
        "registrar": "GoDaddy LLC",
        "expires_at": "2025-06-01T00:00:00Z",
        "expiring_soon": true,
        "days_until_expiry": 79
      },
      {
        "domain": "mybrand.io",
        "status": "available",
        "available": true,
        "registrar": null,
        "expires_at": null,
        "expiring_soon": false,
        "days_until_expiry": null
      }
    ],
    "findings": [
      {
        "rule": "com_taken",
        "detail": "mybrand.com is already registered",
        "deduction": -20
      }
    ],
    "taken_tlds": [
      ".com",
      ".net",
      ".org"
    ],
    "available_tlds": [
      ".io",
      ".co",
      ".xyz"
    ]
  }
}

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