Tigera

Goldmane Flows API

Goldmane is the Calico flow aggregation and network-observability service introduced in Calico Open Source 3.30. It exposes a gRPC API for querying aggregated flow data — List for point-in-time queries, Stream for a long-running stream of new flows, FilterHints for progressive discovery of filter criteria such as namespaces and source/destination names — plus statistics and flow-ingestion services. Tigera publishes the proto3 definition in the projectcalico/calico repository and documents it on the company blog.

GitHub

Other Resources

🔗
Protobuf
https://raw.githubusercontent.com/api-evangelist/tigera/refs/heads/main/grpc/tigera-goldmane-api.proto
🔗
SourceCode
https://github.com/projectcalico/calico/tree/master/goldmane
🔗
APIsJSON
https://raw.githubusercontent.com/api-evangelist/tigera/refs/heads/main/apis.yml

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API entry from apis.yml

apis.yml Raw ↑ 
aid: tigera:goldmane-flows-api
name: Goldmane Flows API
description: Goldmane is the Calico flow aggregation and network-observability service introduced in Calico
  Open Source 3.30. It exposes a gRPC API for querying aggregated flow data — List for point-in-time queries,
  Stream for a long-running stream of new flows, FilterHints for progressive discovery of filter criteria
  such as namespaces and source/destination names — plus statistics and flow-ingestion services. Tigera
  publishes the proto3 definition in the projectcalico/calico repository and documents it on the company
  blog.
humanURL: https://www.tigera.io/blog/calico-open-source-3-30-exploring-the-goldmane-api-for-custom-kubernetes-network-observability/
baseURL: https://goldmane.calico-system.svc:7443
tags:
- Observability
- gRPC
- Networking
properties:
- type: Protobuf
  url: grpc/tigera-goldmane-api.proto
- type: SourceCode
  url: https://github.com/projectcalico/calico/tree/master/goldmane
x-evidence:
  proto_url: https://raw.githubusercontent.com/projectcalico/calico/master/goldmane/proto/api.proto
  http_status: 200
  fetched: '2026-08-05'
  base_url_note: Goldmane runs in-cluster in the calico-system namespace; the address above is the in-cluster
    service address for the component, not a vendor-hosted endpoint.