Apache Zipkin services API

openapi: 3.1.0
info:
  title: Zipkin autocomplete services API
  description: Zipkin's HTTP API for querying and ingesting distributed tracing data. The API exposes span ingestion and trace, dependency, and autocomplete lookup operations under the `/api/v2` base. Authentication is typically handled by a reverse proxy in front of Zipkin and is not part of the core API.
  version: '2.0'
  license:
    name: Apache License 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  contact:
    name: OpenZipkin
    url: https://zipkin.io/zipkin-api/
servers:
- url: http://{host}:{port}/api/v2
  description: Zipkin server (v2 API base)
  variables:
    host:
      default: localhost
    port:
      default: '9411'
tags:
- name: services
  description: Service discovery and dependency links
paths:
  /services:
    get:
      tags:
      - services
      summary: List service names with recorded spans
      operationId: getServiceNames
      responses:
        '200':
          description: Array of service names
          content:
            application/json:
              schema:
                type: array
                items:
                  type: string
  /dependencies:
    get:
      tags:
      - services
      summary: Get service dependency links
      operationId: getDependencies
      parameters:
      - name: endTs
        in: query
        required: true
        schema:
          type: integer
          format: int64
      - name: lookback
        in: query
        schema:
          type: integer
          format: int64
      responses:
        '200':
          description: Array of dependency links
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListOfDependencyLinks'
components:
  schemas:
    ListOfDependencyLinks:
      type: array
      items:
        $ref: '#/components/schemas/DependencyLink'
    DependencyLink:
      type: object
      properties:
        parent:
          type: string
        child:
          type: string
        callCount:
          type: integer
          format: int64
        errorCount:
          type: integer
          format: int64