About this bot
Probely is a scanner associated with Snyk API & Web (formerly Probely) and used for dast scanning.
The primary identifying User-Agent token is ProbelySPDR.
Directory status: Active. Identity classification: Verified with High confidence. Identity type: official documented.
robots.txt behavior is not confirmed strongly enough to rely on it as the sole control.
Snyk API & Web (formerly Probely) performs dynamic application security testing against configured web and API targets. The stable SOS URL marker is preferred over depending on browser/version fields.
How to identify this bot
- User-agent and crawler identifiers
-
ProbelySPDRMozilla/5.0 (compatible; +https://probely.com/sos) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36 ProbelySPDR/0.2.0 - Also known as
- ProbelySPDR/0.2.0; Probely security scanner; Probely DAST crawler Snyk API & Web
Details
- Kind
- Scanner
- Family
- Probely / Snyk API & Web
- Purpose
- Dast scanning
- Common Use
- Snyk API & Web (formerly Probely) performs dynamic application security testing against configured web and API targets. The stable SOS URL marker is preferred over depending on browser/version fields.
- Respects robots.txt
- Unknown
Verification
- Identity Type
- Officially documented
- Evidence Method
- Match `ProbelySPDR` as the claimed identity signal and corroborate with documented network, DNS, signature, or request-context signals when stronger authentication is required.
- Detection Notes
- Match the `ProbelySPDR` User-Agent token and consider recorded aliases or request-context signals. A User-Agent match identifies a claim, not authenticated origin.
Website controls
- Robots.txt Snippet
# robots.txt behavior is unconfirmed. Use server-side controls if restriction is required.