Application security guardrails · application-security
Compare two caller-supplied HTTP header maps case-insensitively while redacting Authorization, Cookie, Set-Cookie, and Proxy-Authorization values. Use after header or TLS inspection to identify configuration drift and security-sensitive changes. Returns bounded deterministic JSON for $0.001 USDC via x402 on Base; no URL fetch or retention.
One-command purchase
No account or API key. AgentCash reads the 402 challenge, pays no more than the declared cap, retries the request and returns the result.
npx agentcash@latest fetch https://api.delx.ai/api/v1/x402/http-header-diff -m POST -H 'x-delx-source: product-page' --max-amount 0.001 -b '{"before":{"content-type":"text/html","strict-transport-security":"max-age=60"},"after":{"Content-Type":"text/html","Strict-Transport-Security":"max-age=31536000"}}'{
"before": {
"content-type": "text/html",
"strict-transport-security": "max-age=60"
},
"after": {
"Content-Type": "text/html",
"Strict-Transport-Security": "max-age=31536000"
}
}{
"schema": "delx/util-http-header-diff/v1",
"changed": [
{
"name": "strict-transport-security",
"before": "max-age=60",
"after": "max-age=31536000"
}
],
"added": [],
"removed": [],
"unchanged_count": 1,
"security_sensitive_changes": [
"strict-transport-security"
],
"credential_values_redacted": true
}Machine-readable evidence