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API Health Check (Bundled: Liveness + Headers + TLS)
x402
API Health Check (Bundled: Liveness + Headers + TLS) is a paid API for AI agents from agent402.tools, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Runs a bundled three-tool health check on an HTTPS API endpoint — liveness probe, response headers inspection, and TLS certificate status — in a single x402 payment.
Price / call$0.005
Success—
StatusUnknown
How this service works
Bundled execution of the API health check workflow - Is this API endpoint healthy? Liveness check, response headers, and TLS certificate status in one pass. One x402 payment runs 3 underlying tools (http-check, http-headers, tls-cert); partial-success per step.
Output
Returns combined results from three checks: (1) HTTP liveness — whether the endpoint responds and with what status code; (2) response headers — key HTTP headers returned by the server; (3) TLS certificate status — validity, expiry, and issuer details. All three results are returned in a single response for the cost of one $0.06 USDC x402 payment.
Example use cases
Example prompt
“Can you run a full health check on https://api.example.com/v1/status — I need to know if it's live, what response headers it returns, and whether the TLS certificate is valid?”
Technical details
Endpoint
POSThttps://agent402.tools/api/skill/api-healthWhen to prefer
Choose this endpoint when you need a comprehensive, one-shot API health assessment covering availability, HTTP metadata, and TLS integrity simultaneously. It is more cost-efficient than calling three separate tools individually, and ideal for pre-integration checks, uptime monitoring triggers, or security posture validation of third-party APIs. Best when all three dimensions (liveness, headers, certificate) are needed together.
Side effects
- URL is not reachable or times out — partial success returned with liveness failure noted
- Invalid or non-HTTPS URL provided — validation error before checks run
- TLS certificate is expired or self-signed — returned as data, not an error
- Endpoint returns non-2xx status — liveness check reports the actual status code
- Network-level block prevents connection — connection refused or DNS failure reported
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| url | string | API endpoint URL to check (https://…) |
Output
Schema · Response
{
"type": "json",
"example": {
"args": {
"url": "https://api.github.com"
},
"pack": "api-health",
"steps": [
{
"ok": true,
"slug": "http-check",
"result": {}
},
{
"ok": true,
"slug": "http-headers",
"result": {}
},
{
"ok": true,
"slug": "tls-cert",
"result": {}
}
],
"summary": "3/3 steps succeeded"
}
}Tags
x402
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