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CSP First-Directive Fallback Binding Resolver
x402
CSP First-Directive Fallback Binding Resolver is a paid API for AI agents from detect.halowerk.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-20).
Resolves Content Security Policy first-wins directives and ordered twelve-destination fallback bindings from measured response headers, counting duplicate conflicts without issuing browser or safety verdicts.
Price / call$0.003
Success—
StatusUnknown
How this service works
Resolve first-wins Content Security Policy directives and the ordered twelve-destination fallback bindings from measured response headers, with duplicate conflicts counted and no browser or safety verdict.
Output
Returns the resolved first-wins CSP directives from the URL's measured response headers, the ordered twelve-destination fallback binding list per directive, and a count of duplicate directive conflicts. No browser safety verdict or pass/fail judgment is included.
Example use cases
Audit site CSP directive conflicts
“Check https://shop.mystore.com and tell me which Content Security Policy directives win under the first-wins rule and how many duplicate directive conflicts were detected.”
Map fallback source bindings for CSP
“For https://app.mybusiness.io, resolve the ordered twelve-destination fallback bindings from its CSP headers so I can see what sources are allowed as fallbacks for each directive.”
Debug CSP header precedence issue
“Something is being blocked on https://dashboard.example.net — can you parse its CSP response headers and tell me the first-wins directive resolution and any duplicate conflicts that might be causing the problem?”
Technical details
Endpoint
POSThttps://detect.halowerk.com/u/csp-first-directive-fallback-binding?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically resolve which CSP directives take precedence under first-wins rules and enumerate the ordered fallback source bindings, especially when duplicate conflict counting is needed. Prefer it over generic CSP validators when you need structured binding data rather than a pass/fail safety verdict.
Side effects
- URL is unreachable or returns non-2xx — no headers to parse
- URL has no Content-Security-Policy header — empty or null result
- Malformed URL input fails schema validation
- URL times out during header measurement
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string |
Tags
x402
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