{"slug":"2s-io-api-tld-info-7ae6c8","title":"TLD registry intelligence and public-suffix analysis","host":"2s.io","method":"GET","resource":"https://2s.io/api/tld/info","category":"code","description":"TLD registry intelligence and public-suffix analysis. Mode 1 (tld=io): IANA root-zone metadata — type (generic / country-code / sponsored), managing organization, unicode form for IDN TLDs. Mode 2 (domain=shop.example.co.uk): full Public Suffix List algorithm — the effective public suffix (co.uk), t","price_listed":0.0025,"price_asked":0.0025,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":240,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"domain":"shop.example.co.uk"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"const":"GET"},"queryParams":{"properties":{"domain":{"description":"Full domain to analyze against the PSL (XOR with tld).","type":"string"},"tld":{"description":"TLD label, with or without the dot (XOR with domain).","type":"string"}}},"type":{"const":"http"}},"required":["type","method","queryParams"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.0025,"price_match":true,"latency_ms":240,"error":null}],"description_full":"TLD registry intelligence and public-suffix analysis. Mode 1 (tld=io): IANA root-zone metadata — type (generic / country-code / sponsored), managing organization, unicode form for IDN TLDs. Mode 2 (domain=shop.example.co.uk): full Public Suffix List algorithm — the effective public suffix (co.uk), the registrable domain (example.co.uk), the subdomain part, the matched PSL rule, and whether the suffix is ICANN (registry) or private (corporate, e.g. github.io / s3.amazonaws.com) — plus the root-zone metadata for its TLD. Correctly handles wildcard and exception rules and IDN/punycode input. Use for cookie scoping, per-registrant rate limiting, URL dedup, and abuse/phishing analysis. Data: IANA root zone + Mozilla PSL, refreshed weekly.","last_updated":"2026-09-19T15:58:34.889Z","schemes":["exact"]}