Use Cases / API Attack Surface
Use Case

API Attack Surface

Discover and validate API exposure across external services, internal platforms, specs, traffic and repositories.

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ReachabilityExploitabilityBusiness impact
What this covers

Your API inventory is not your API attack surface.

ThreatCanary reconciles what is documented with what is reachable, observed and connected to identities or sensitive data.

01

Where the inventory breaks down

  • Gateway exports omit direct-to-origin routes, mobile backends and services published outside the standard platform.
  • Specifications describe intended behaviour; deployed endpoints, authorisers and data responses can drift.
  • An endpoint only becomes meaningful risk when its identity, data and upstream trust relationships are understood.
02

How ThreatCanary maps it

  • Correlate DNS, certificates, traffic, specifications, repositories and gateway metadata into one API model.
  • Fingerprint routes, methods, authentication behaviour and response characteristics without treating every host as equivalent.
  • Associate endpoints with owners, applications, data classes and external exposure before validation begins.
03

What gets validated

  • Whether undocumented or deprecated routes are still reachable.
  • Whether authentication, authorisation or business-logic controls behave differently across equivalent endpoints.
  • Whether a discovered API creates a usable path to sensitive data or another high-value system.
04

Evidence delivered

  • Observed route and behaviour evidence with source provenance.
  • Ownership and dependency context for remediation.
  • A validated exposure path, not another unqualified endpoint count.
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