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402utils.com v1 domain-check
https://402utils.com/v1/domain-check
payable
Domain availability and expiry intelligence via RDAP, the WHOIS successor. Queries the authoritative registry for any RDAP-enabled TLD: free domains return registered:false, taken ones return registrar, creation and expiry dates, nameservers and EPP status codes. TLDs without RDAP coverage return supported:false. Built for agents that buy, monitor or vet domains.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0xc55A2D530b53CBaD1001e4AfD4720B7E71f9C291
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 2065 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:13:19.537Z (1d ago)
- Category
- identity
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2F402utils.com%2Fv1%2Fdomain-check"