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CSP Directive Parse
x402
CSP Directive Parse is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Parses a Content-Security-Policy header value into normalized source lists and returns a structured pass/advisory finding with deterministic versioned JSON
Price / call$0.001
Success—
StatusUnknown
How this service works
CSP Directive Parse: CSP Directive Parse parses Content-Security-Policy directives into normalized source lists from bounded caller-supplied values without an external provider. Call CSP Directive Parse before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for CSP Directive Parse as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base. First-party, stateless,…
Output
Returns versioned deterministic JSON containing: normalized web evidence (parsed CSP directives with their source lists), the computed security finding, and an explicit pass or advisory status indicating whether the CSP header is well-formed and acceptable.
Example use cases
Pre-cache CSP header validation
“Before I cache this HTTP response, parse the Content-Security-Policy header "default-src 'none'; connect-src 'self' https://api.myapp.com; frame-ancestors 'none'" and tell me if it passes or has any advisories.”
Security audit of third-party response
“I just got a response from a third-party API and the CSP header is "script-src 'unsafe-inline' 'unsafe-eval' *" — can you parse it into normalized directives and flag any issues?”
Redirect safety check on CSP
“I'm about to follow a redirect and want to validate the CSP header first: "default-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'" — parse it and give me the pass/advisory status.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/csp-directive-parseWhen to prefer
Choose this endpoint when you need deterministic, stateless, in-memory parsing of a Content-Security-Policy header into structured directives before accepting, caching, redirecting, or retrying a caller-supplied web response — especially in agentic pipelines where reproducible, versioned JSON output is required without external dependencies or data retention.
Side effects
- Malformed or excessively long header value exceeding 8192 characters returns a validation error
- Empty header string may return an advisory or error finding
- Payment failure via x402 prevents the call from being processed
- Non-CSP header strings may parse with unexpected or empty directive lists
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| header | string | Header supplied to CSP Directive Parse; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"count": 3,
"directives": {
"img-src": [
"'self'",
"https:"
],
"object-src": [
"'none'"
],
"default-src": [
"'self'"
]
}
},
"schema": "delx/util-csp-directive-parse/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "16664d9b05dde627e8d811fbffe5a404de8cef67d018c7c5f1017d3fed519e30",
"external_calls": 0
},
"operation": "web_reliability:csp_directive_parse"
}
}Tags
x402
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