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Log payload fields

HTTP JSON accepts ordinary JSON objects. Fluxtail normalizes supported fields while preserving additional structured data where the receiver permits it.

Section titled “Recommended fields”
{
  "timestamp": "2026-08-12T14:30:00Z",
  "message": "payment authorized",
  "severity": "INFO",
  "service_name": "checkout",
  "service_namespace": "storefront",
  "host": "api-1",
  "labels": {
    "environment": "production",
    "region": "ca-east"
  }
}
Field Guidance
message Human-readable event text. Use a stable phrase for searchable errors.
timestamp ISO 8601 event time when the sender has one.
severity A consistent level such as DEBUG, INFO, WARN, or ERROR.
service_name The application or component that emitted the event.
service_namespace A larger service grouping when useful.
host The emitting host or instance label.
labels Small exact-match dimensions used for filtering.

Do not put passwords, tokens, session cookies, payment data, or other secrets in messages or labels. Sender fields cannot change the verified account or receiver route.