name: Jaeger Query — Service Dependency Graph
slug: query-dependencies
version: 0.1.0
description: |-
Retrieve the call-graph of services derived from observed spans for a
selected time window. Powers the dependency-graph view in the Jaeger UI
and is the data source for service-mesh-style topology visualizations.
api:
id: jaeger:jaeger-query-api
openapi: openapi/jaeger-query-api-openapi.yml
operations:
- operationId: QueryService_GetDependencies
method: GET
path: /api/v3/dependencies
summary: Get inter-service dependency edges for a time range.
inputs:
- name: startTime
type: string
format: date-time
required: true
- name: endTime
type: string
format: date-time
required: true
outputs:
- name: dependencies
type: object[]
description: Edges containing parent service, child service, and call count.
governance:
computation: Dependencies are derived offline by the spark-dependencies job for production deployments or in-memory by the Query service for development.