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ManyLives Web Headers Checker
x402
ManyLives Web Headers Checker is a paid API for AI agents from api.manylives.me, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-11).
Fetches and grades HTTP security headers for any given URL, returning a letter grade and per-check pass/fail results with remediation advice
Price / call$0.002
Success—
StatusUnknown
How this service works
Pay-per-call tools for people building AI agents: live web search and page contents, point-in-time crypto market data and news for backtests (no lookahead), verifiable track records of 1,000 crypto strategies locked on the Base network, company profiles, quick AI and batch prices. Ask us to turn a public website into a JSON endpoint. Pay per call, no account, free trial.
Output
Returns a JSON object containing the total number of checks, the URL tested, a letter grade (e.g. C), an array of individual header checks each with the header name, whether it passed, the current value, a reason it matters, and a suggested fix, plus a count of how many checks passed.
Example use cases
Pre-launch security header audit
“Before we go live, can you check the security headers on https://staging.myproduct.com and tell me what grade it gets and which headers we still need to add?”
Competitor security posture check
“I want to see how https://competitor-site.com scores on HTTP security headers — can you pull a full breakdown with grades and any missing headers?”
Automated compliance monitoring
“Check https://api.mycompany.com for all standard HTTP security headers and flag any that are missing or misconfigured so I can fix them before our security review.”
Technical details
Endpoint
GEThttps://api.manylives.me/paid/web/headers?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a structured, graded audit of HTTP security headers for a specific URL with actionable remediation advice per header. Prefer it over manual header inspection tools when you need machine-readable results with pass/fail flags and fix suggestions. Particularly useful for pre-launch audits, compliance checks, or monitoring pipelines where you need a letter grade and per-header breakdown in one pay-per-call request with no account required.
Side effects
- Invalid or unreachable URL returns an error or empty checks array
- Non-HTTPS URLs may yield incomplete results for HTTPS-specific headers
- Slow or unresponsive target sites may cause timeouts
- Malformed input (missing url queryParam) returns a validation error
- Payment failure (insufficient USDC balance) returns 402 before the request is processed
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"of": 8,
"url": "https://example.com/",
"grade": "C",
"checks": [
{
"fix": "add Strict-Transport-Security: max-age=31536000; includeSubDomains",
"why": "forces HTTPS on return visits",
"pass": false,
"check": "strict-transport-security",
"value": null
}
],
"passed": 3
}
}Tags
x402
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