{"slug":"archtools-dev-v1-tools-domain-check-b6e245","title":"Check if a domain is available or registered via RDAP (no key needed)","host":"archtools.dev","method":"POST","resource":"https://archtools.dev/v1/tools/domain-check","category":"other","description":"Check if a domain is available or registered via RDAP (no key needed). Pay per call with USDC (x402) or credits - archtools.dev","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":184,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:137","eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"domain":"example.com"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"body":{"properties":{"domain":{"description":"Domain name (e.g. example.com)","type":"string"}},"required":["domain"],"type":"object"}},"type":"object"}},"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.01,"price_match":true,"latency_ms":184,"error":null}],"description_full":"Check if a domain is available or registered via RDAP (no key needed). Pay per call with USDC (x402) or credits - archtools.dev","last_updated":"2026-09-01T18:53:38.674Z","schemes":["exact"]}