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.