Honeycomb
Honeycomb takes OTLP/protobuf directly; one dataset per OTEL_SERVICE_NAME.
bash
OTEL_EXPORTER_OTLP_ENDPOINT=https://api.honeycomb.io
OTEL_EXPORTER_OTLP_HEADERS=x-honeycomb-team=…Docs: https://docs.honeycomb.io/send-data/opentelemetry/
Source: docs/integrations/honeycomb.md — edit it there; the site mirrors the repository.