Tool detail

Otto AI

Returns RDAP domain registration data for a domain: registrar, ICANN/EPP status codes, creation/updated/expiration dates, nameservers, and DNSSEC delegation.

Categories: Domains IP

Use when

look up a domain's registration and registrar details
check a domain's creation date and DNSSEC status before trusting it

Not for

not for ccTLDs without RDAP support — those return an uncharged error

Inputs

GET query param: domain (string, required; registrable domain, e.g. stripe.com)

Admitted input schema

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Registrable domain to look up (e.g. stripe.com). ccTLDs without RDAP return 503 uncharged."
    }
  },
  "required": [
    "domain"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://x402.ottoai.services/whois-lookup

Payment

Protocol: x402
Listed price: 0.001 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://x402.ottoai.services/whois-lookup
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z