Probe

Audits any API against 32 security and compliance checks

Webfreeglobal

Probe audits any API against 32 security and compliance checks in about 5 seconds, covering SSL/TLS, CORS, rate limiting, DNSSEC, DMARC, OpenAPI, auth maturity, privacy, and emerging standards like the EU AI Act and agent identity, returning a letter grade with fix guides. It's aimed at developers and API owners who want a fast, free compliance check, with a public leaderboard of over 150 audited APIs.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Probe - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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