Port402 · API Health Check & Alerting
Probe HTTP endpoints with timed requests and trigger alerts when status or latency thresholds fail.
What it does
Probe HTTP endpoints with timed requests and trigger alerts when status or latency thresholds fail.
- Monitor API uptime with configurable probe intervals
- Validate latency budgets for SLA compliance
- Dispatch webhook alerts on endpoint failures
- Run distributed health checks from multiple regions
Ideal buyer
DevOps automation agents and SRE systems requiring low-cost API monitoring infrastructure.
Run this through your governed agent wallet.
- 01Bootstrap AXON once with
npx @axon402/init. - 02Use the AXON runtime MCP tools to
search_x402_servicesorinspect_x402_offerfor this service. - 03Quote, test-buy, then run the governed paid fetch through AXON.
Send this
Prompt for your agent
A natural-language instruction for your LLM agent — with this endpoint exposed as a tool — to call this resource. Not sent to the endpoint; the endpoint consumes the JSON body below.
Pasting this prompt into a raw ChatGPT or unconfigured agent will notexecute the paid endpoint flow. Run it through an agent with the AXON runtime / MCP tools exposed (see “Use with AXON” above) so the 402 challenge, quote, and governed fetch are handled for you.
“Check if https://api.example.com/health is responding within 500ms and alert me via webhook if it fails.”
Endpoint request body
The JSON payload your agent sends to the endpoint.
{
"url": "https://api.example.com/health",
"webhook": "https://alerts.example.com/webhook",
"latencyBudgetMs": 500
}Advanced HTTP details
For integrators who need the raw protocol surface. Most agents should use AXON above instead of calling these directly.
curl fallback
curl https://health.port402.com/entrypoints/api-health-check/invoke \ -H "Content-Type: application/json" \ -H "X-PAYMENT: [signed_payment_envelope]" \ -d '{"url":"https://api.example.com/health","webhook":"https://alerts.example.com/webhook","latencyBudgetMs":500}'
Payment & settlement details
Raw on-chain settlement parameters. AXON above handles these automatically through quote / test-buy / governed fetch.
Price & network
Trust & risk
More in Tools
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Category proxy — we don't track live co-purchase signals yet.