api.lookproof.dev

https://api.lookproof.dev/v1/tls/certificate

Check the TLS certificate a domain serves on port 443: whether it chains to a trusted root, matches the name (RFC 9525) and when it expires, with issuer, chain, key and signature algorithm, TLS version and coded findings for expired, expiring, untrusted, mismatched or weak certificates. Use when an agent must tell why HTTPS fails for a domain or when its certificate has to be renewed.

last updated: Oct 27, 2026 · type: http · x402 v2

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