Domain Checker

Bulk availability & pricing — for humans and agents.

API

Markdown via URL path. Defaults to .com .ai.

curl https://domain-checker.asiones.com/openai/anthropic

Override TLDs with ?ext=:

curl 'https://domain-checker.asiones.com/openai/anthropic?ext=io,dev,xyz'

JSON:

curl -X POST https://domain-checker.asiones.com/api/check \
  -H 'content-type: application/json' \
  -d '{"queries":["openai"],"extensions":[".com",".ai"]}'

/llms.txt
/robots.txt
/api/stats

Limit 100 names · 20 TLDs per request.

Lifetime totals

Queried

Available

Taken

Failed