Prometheus Remote Write

Ingest metrics via the Prometheus Remote Write protocol. Accepts snappy-compressed protobuf payloads (the standard Prometheus remote write format). Metrics are converted to OpenTelemetry format and ingested into the specified stream.

Endpoint: POST /v1/prometheus/write

Header	Required	Description
`Authorization`	Yes	Basic auth credentials
`Content-Encoding`	Yes	Must be `snappy`
`Content-Type`	Yes	`application/x-protobuf`
`X-P-Stream`	Yes	Target stream name.
`X-P-Log-Source`	Yes	Must be `otel-metrics`

Prometheus configuration:

remote_write:
  - url: "http://parseable:8000/v1/prometheus/write"
    basic_auth:
      username: admin
      password: admin
    headers:
      X-P-Stream: otel_metrics
      X-P-Log-Source: otel-metrics