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Strale API — HTTP Header Security Check
x402
Strale API — HTTP Header Security Check is a paid API for AI agents from api.strale.io, paid per call via x402, $0.054/call, status unknown (last checked 2026-09-15).
Analyzes the HTTP security headers of a given URL to assess its header-based security posture
Price / call$0.054
Success—
StatusUnknown
How this service works
The trust layer for AI agents — 250+ independently tested data capabilities across 27 countries. Execute capabilities via REST, MCP, A2A, or x402 micropayments. Every call returns an audit record with cryptographic chain hashing.
Output
Returns a structured JSON report detailing the HTTP security headers present or absent on the target URL, including assessment of headers such as HSTS, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, and others. Each call also includes a cryptographic audit record with chain hashing for traceability and compliance purposes.
Example use cases
Pre-deployment security header audit
“Before we launch our new site at https://staging.mycompany.com, can you check its HTTP security headers with a GET request and flag any missing ones like HSTS, CSP, or X-Frame-Options?”
Third-party vendor security review
“I need to vet a new SaaS vendor — can you check the HTTP security headers on https://vendor-portal.example.com via GET to make sure they have basic header hygiene in place?”
Ongoing compliance spot check
“Run a header security check on https://app.myplatform.io using GET and give me an auditable report I can include in our quarterly compliance review.”
Technical details
Endpoint
GEThttps://api.strale.io/x402/v2/header-security-checkWhen to prefer
Choose this endpoint when you need a quick, auditable, cryptographically verifiable check of a website's HTTP security headers with a structured JSON output. It is ideal for compliance workflows, security reviews, or AI agent pipelines that require an audit trail. Prefer this over generic header-checking tools when you need built-in trust infrastructure, per-call audit records, and support for x402 micropayment billing.
Side effects
- Invalid or unreachable URL — endpoint may return an error if the target site is down or the URL is malformed
- Unsupported HTTP method — only GET, HEAD, and DELETE are accepted; POST or PUT will be rejected
- Network timeout — if the target URL takes too long to respond, the check may fail
- Payment failure — insufficient USDC balance will prevent the call from completing via x402
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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