Tool detail
Domain Age Checker
Looks up registration date, age, expiration date and time left for up to 50 domain names.
Categories: Domains IP
Use when
- check how old a domain is
- find when a domain will expire
- spot newly registered domains for fraud screening
Not for
- not for full WHOIS contact details, use a WHOIS lookup tool
- not for more than 50 domains per call
Inputs
POST JSON body: { domains: array of domain-name or URL strings, max 50 } (required)
Inputs undocumented: array without items
Endpoint
- Method
POST- URL
https://domain-age-checker.underscoredone.com/lookup
Payment
- Protocol
- x402
- Listed price
- 0.01 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
- POST https://domain-age-checker.underscoredone.com/lookup
- Retrieved
- 2026-09-30T20:37:07.382Z
- Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524- Catalog built
- 2026-09-30T22:31:58.034Z