Tool detail

Bulk WHOIS Lookup

Returns WHOIS registrar, dates and nameservers for up to 10 domains in a single batch call.

Categories: Domains IP

Use when

check registration details for several domains at once
look up a domain's registrar and nameservers

Not for

not for more than 10 domains in one call

Inputs

GET query param: domains (string, required) - comma-separated list of up to 10 domains.

Admitted input schema

{
  "type": "object",
  "properties": {
    "domains": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "comma list of up to 10 domains"
    }
  },
  "required": [
    "domains"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.kadec0.xyz/v1/whois-bulk

Payment

Protocol: x402
Listed price: 0.05 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://api.kadec0.xyz/v1/whois-bulk
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z