AgentTools
Check whether a domain name is registered or available, via the official RDAP registry protocol (404 = available). For registered domains it also returns the registrar and creation/expiration dates — useful when an agent needs to name a pro
Go to this service →Our latest check (2026-10-11)
- Answering
- Yes — valid x402 payment terms
- Time to answer
- 136 ms
- Price
- $0.003 per call
- Paying buyers, last 30 days
- 3 (directory's own records)
- Paid calls, last 30 days
- 6
- Category
- DNS and domains
- Address
- https://agenttools-hub.vercel.app/api/v1/dev/domain-availability
Accuracy: paid answers checked against an independent record
Not yet in our paid checks. A seller we have not checked has neither passed nor failed.
For agents
This page as JSON: /sellers/6b9e65d8c4a6.json. Paid lookup by address: GET /api/seller?resource=… ($0.001, x402).