openapi: 3.1.0
info:
  title: HashiCorp Nomad HTTP ACL Volumes API
  description: The HashiCorp Nomad HTTP API provides programmatic access to all Nomad functionality including job scheduling, allocation management, node operations, deployments, services, evaluations, namespaces, ACL policies, and cluster status. All API routes are prefixed with /v1/ and the default port is 4646. The API is RESTful, responds to standard HTTP verbs, and supports ACL token authentication via the X-Nomad-Token header or Bearer scheme.
  version: 1.9.0
  contact:
    name: HashiCorp Support
    url: https://support.hashicorp.com
  termsOfService: https://www.hashicorp.com/terms-of-service
  license:
    name: Business Source License 1.1
    url: https://github.com/hashicorp/nomad/blob/main/LICENSE
servers:
- url: http://localhost:4646/v1
  description: Local Nomad Agent
security:
- nomadToken: []
- bearerAuth: []
tags:
- name: Volumes
  description: Endpoints for managing CSI and host volumes attached to Nomad allocations.
paths:
  /volumes:
    get:
      operationId: listVolumes
      summary: List volumes
      description: Lists all CSI and host volumes. Supports filtering by namespace, job ID, task group, and volume name.
      tags:
      - Volumes
      parameters:
      - $ref: '#/components/parameters/NamespaceParam'
      - $ref: '#/components/parameters/NextTokenParam'
      - $ref: '#/components/parameters/PerPageParam'
      - $ref: '#/components/parameters/FilterParam'
      - name: type
        in: query
        description: Filter volumes by type (csi or host).
        schema:
          type: string
          enum:
          - csi
          - host
      responses:
        '200':
          description: A list of volumes
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/VolumeListStub'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalError'
components:
  parameters:
    PerPageParam:
      name: per_page
      in: query
      description: Maximum number of results to return per page.
      schema:
        type: integer
    FilterParam:
      name: filter
      in: query
      description: Specifies the expression used to filter the results.
      schema:
        type: string
    NamespaceParam:
      name: namespace
      in: query
      description: The target namespace. Defaults to the default namespace.
      schema:
        type: string
    NextTokenParam:
      name: next_token
      in: query
      description: Indicates where to start paging for queries that support pagination.
      schema:
        type: string
  responses:
    Unauthorized:
      description: Unauthorized - missing or invalid ACL token
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
  schemas:
    VolumeListStub:
      type: object
      description: A stub representation of a volume.
      properties:
        ID:
          type: string
        Name:
          type: string
        Namespace:
          type: string
        ExternalID:
          type: string
        Topologies:
          type: object
        Provider:
          type: string
        ControllerRequired:
          type: boolean
        ControllersHealthy:
          type: integer
        ControllersExpected:
          type: integer
        NodesHealthy:
          type: integer
        NodesExpected:
          type: integer
        Schedulable:
          type: boolean
        PluginID:
          type: string
        CreateIndex:
          type: integer
        ModifyIndex:
          type: integer
  securitySchemes:
    nomadToken:
      type: apiKey
      name: X-Nomad-Token
      in: header
      description: ACL token passed via the X-Nomad-Token request header.
    bearerAuth:
      type: http
      scheme: bearer
      description: ACL token passed via the Authorization header with Bearer scheme.
externalDocs:
  description: Nomad HTTP API Documentation
  url: https://developer.hashicorp.com/nomad/api-docs