freeapis

GreyNoise

Query IPs in the GreyNoise dataset and retrieve a subset of the full IP context data

Authentication
API Key
HTTPS
Yes
CORS
Unknown
Category
Security

Overview

GreyNoise was listed as a free public API: Query IPs in the GreyNoise dataset and retrieve a subset of the full IP context data.

⚠️ Unreachable (verified 2026-08): health checks returned HTTP 404** — this may reflect the service status, but it could also be affected by network/environment factors — please verify from your own network before relying on it.

Status history

Alternatives

Browse other listings on this site in the security category for working alternatives, or check the official site above to see if the service has moved to a new domain.

FAQ

Is GreyNoise still working? As of 2026-08 the endpoint returns HTTP 404 — assume it’s offline until proven otherwise.

Was it free? It was listed as a free public API.

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