tls-reputation.comTLS fingerprint reputation

API

Public, free, JSON — the same shapes the site renders. Base https://tls-reputation.com/api/v1. Interactive OpenAPI spec at /api/docs.

Endpoints

GET /api/v1/ja4/{ja4}
Reputation for a JA4 string.
GET /api/v1/ja3/{md5}
Resolve a JA3 md5 to its fingerprint.
GET /api/v1/sni/{domain}?limit=&offset=
Clients that reached a domain.
GET /api/v1/fingerprints?sort=&limit=&offset=
Browse fingerprints.
GET /api/v1/snis?sort=&limit=&offset=
Browse domains.
GET /api/v1/alpn
ALPN offer distribution across the corpus.
GET /api/v1/search?q=
Detect input type (JA4 / JA3 / domain) and resolve it.
GET /api/v1/stats
Corpus size.