Apache Storm

Apache Storm Topology API

The Storm Topology API provides Java and other language bindings for building real-time processing topologies composed of spouts (data sources) and bolts (processing units). It supports various stream groupings, windowing operations, Trident micro-batch processing, and DRPC (Distributed Remote Procedure Calls) for synchronous request/response patterns.

GitHub OpenAPI

Operations 14

GET /api/v1/topology/summary Topology summary #
GET /api/v1/topology/{id} Topology details #
GET /api/v1/topology/{id}/metrics Topology metrics #
GET /api/v1/topology/{id}/component/{component} Component stats #
POST /api/v1/topology/{id}/profiling/start/{host-port}/{timeout} Start profiling #
POST /api/v1/topology/{id}/profiling/dumpprofile/{host-port} Dump profile #
POST /api/v1/topology/{id}/profiling/stop/{host-port} Stop profiling #
POST /api/v1/topology/{id}/profiling/dumpjstack/{host-port} Dump jstack #
POST /api/v1/topology/{id}/profiling/dumpheap/{host-port} Dump heap #
POST /api/v1/topology/{id}/profiling/restartworker/{host-port} Restart worker #
POST /api/v1/topology/{id}/activate Activate topology #
POST /api/v1/topology/{id}/deactivate Deactivate topology #
POST /api/v1/topology/{id}/rebalance/{wait-time} Rebalance topology #
POST /api/v1/topology/{id}/kill/{wait-time} Kill topology #

Documentation

📖
Documentation
https://storm.apache.org/releases/current/STORM-UI-REST-API.html
📖
Documentation
https://storm.apache.org/documentation/Tutorial.html

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/apache-storm/refs/heads/main/openapi/apache-storm-topology-api-openapi.yml

Other Resources

🔗
SDKs
Maven Java SDK

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OpenAPI Specification

apache-storm-topology-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Apache Storm UI REST Topology API
  version: '1.0'
  description: Minimal OpenAPI for the Apache Storm UI REST API exposing cluster, supervisor, nimbus, topology, and DRPC operations.
servers:
- url: http://localhost:8080
  description: Storm UI
tags:
- name: Topology
paths:
  /api/v1/topology/summary:
    get:
      summary: Topology summary
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: getApiV1TopologySummary
      x-operation-id-source: derived
  /api/v1/topology/{id}:
    get:
      summary: Topology details
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: getApiV1TopologyById
      x-operation-id-source: derived
  /api/v1/topology/{id}/metrics:
    get:
      summary: Topology metrics
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: getApiV1TopologyByIdMetrics
      x-operation-id-source: derived
  /api/v1/topology/{id}/component/{component}:
    get:
      summary: Component stats
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      - name: component
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: getApiV1TopologyByIdComponentByComponent
      x-operation-id-source: derived
  /api/v1/topology/{id}/profiling/start/{host-port}/{timeout}:
    post:
      summary: Start profiling
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      - name: host-port
        in: path
        required: true
        schema:
          type: string
      - name: timeout
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdProfilingStartByHostPortByTimeout
      x-operation-id-source: derived
  /api/v1/topology/{id}/profiling/dumpprofile/{host-port}:
    post:
      summary: Dump profile
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      - name: host-port
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdProfilingDumpprofileByHostPort
      x-operation-id-source: derived
  /api/v1/topology/{id}/profiling/stop/{host-port}:
    post:
      summary: Stop profiling
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      - name: host-port
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdProfilingStopByHostPort
      x-operation-id-source: derived
  /api/v1/topology/{id}/profiling/dumpjstack/{host-port}:
    post:
      summary: Dump jstack
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      - name: host-port
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdProfilingDumpjstackByHostPort
      x-operation-id-source: derived
  /api/v1/topology/{id}/profiling/dumpheap/{host-port}:
    post:
      summary: Dump heap
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      - name: host-port
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdProfilingDumpheapByHostPort
      x-operation-id-source: derived
  /api/v1/topology/{id}/profiling/restartworker/{host-port}:
    post:
      summary: Restart worker
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      - name: host-port
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdProfilingRestartworkerByHostPort
      x-operation-id-source: derived
  /api/v1/topology/{id}/activate:
    post:
      summary: Activate topology
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdActivate
      x-operation-id-source: derived
  /api/v1/topology/{id}/deactivate:
    post:
      summary: Deactivate topology
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdDeactivate
      x-operation-id-source: derived
  /api/v1/topology/{id}/rebalance/{wait-time}:
    post:
      summary: Rebalance topology
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      - name: wait-time
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdRebalanceByWaitTime
      x-operation-id-source: derived
  /api/v1/topology/{id}/kill/{wait-time}:
    post:
      summary: Kill topology
      parameters:
      - $ref: '#/components/parameters/TopologyId'
      - name: wait-time
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: OK
      tags:
      - Topology
      operationId: postApiV1TopologyByIdKillByWaitTime
      x-operation-id-source: derived
components:
  parameters:
    TopologyId:
      name: id
      in: path
      required: true
      schema:
        type: string
x-generated-from: https://storm.apache.org/releases/current/STORM-UI-REST-API.html
x-generated-by: claude-crawl-2026-05-08