Webhook Payload Formatter
Format, validate, and pretty-print alert webhook payloads for Opsgenie, Alertmanager, and generic sinks.
Runs 100% in your browser. Nothing you enter is uploaded or stored.
{
"receiver": "platform-oncall",
"status": "firing",
"alerts": [
{
"status": "firing",
"labels": {
"alertname": "HighRequestLatency",
"severity": "critical",
"service": "checkout-api"
},
"annotations": {
"summary": "p99 latency above 800ms for 5m"
},
"startsAt": "2026-06-26T12:30:00Z"
},
{
"status": "firing",
"labels": {
"alertname": "ErrorRateHigh",
"severity": "warning",
"service": "checkout-api"
},
"annotations": {
"summary": "5xx rate above 2%"
},
"startsAt": "2026-06-26T12:31:00Z"
}
],
"groupLabels": {
"service": "checkout-api"
},
"commonLabels": {
"service": "checkout-api"
}
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