Appsmith API

openapi: 3.0.3
info:
  title: Appsmith API
  description: >-
    API for the Appsmith open source low-code platform, enabling programmatic
    management of applications, workspaces, datasources, pages, and widgets
    for building internal tools and workflow applications.
  version: 1.0.0
  contact:
    name: Appsmith
    url: https://docs.appsmith.com
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
  - url: https://app.appsmith.com/api/v1
    description: Appsmith Cloud API
security:
  - bearerAuth: []
tags:
  - name: Applications
    description: Low-code application management
  - name: Workspaces
    description: Workspace organization and management
  - name: Datasources
    description: Connected datasource management
paths:
  /applications:
    get:
      operationId: listApplications
      summary: Appsmith - List Applications
      description: Returns a list of Appsmith low-code applications
      tags:
        - Applications
      parameters:
        - name: workspaceId
          in: query
          description: Filter by workspace identifier
          schema:
            type: string
      responses:
        '200':
          description: A list of applications
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Application'
              examples:
                ListApplicationsExample:
                  x-microcks-default: true
                  summary: Example applications list
                  value:
                    data:
                      - applicationId: app-001-inventory
                        name: Inventory Management
                        workspaceId: ws-main-team
                        isPublic: false
                        createdAt: "2026-01-15T10:00:00Z"
        '401':
          description: Unauthorized - invalid or missing authentication token
    post:
      operationId: createApplication
      summary: Appsmith - Create Application
      description: Creates a new low-code application in Appsmith
      tags:
        - Applications
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  description: Application name
                workspaceId:
                  type: string
                  description: Workspace to create the application in
            examples:
              CreateApplicationExample:
                x-microcks-default: true
                summary: Example application creation request
                value:
                  name: Customer Portal
                  workspaceId: ws-main-team
      responses:
        '201':
          description: Application created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Application'
        '400':
          description: Invalid request body
        '401':
          description: Unauthorized - invalid or missing authentication token
  /applications/{applicationId}:
    get:
      operationId: getApplication
      summary: Appsmith - Get Application
      description: Returns details for a specific Appsmith application
      tags:
        - Applications
      parameters:
        - name: applicationId
          in: path
          required: true
          description: Unique application identifier
          schema:
            type: string
      responses:
        '200':
          description: Application details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Application'
              examples:
                GetApplicationExample:
                  x-microcks-default: true
                  summary: Example application detail
                  value:
                    applicationId: app-001-inventory
                    name: Inventory Management
                    description: Internal tool for tracking warehouse inventory
                    workspaceId: ws-main-team
                    isPublic: false
                    createdAt: "2026-01-15T10:00:00Z"
                    modifiedAt: "2026-04-10T14:30:00Z"
        '404':
          description: Application not found
        '401':
          description: Unauthorized - invalid or missing authentication token
  /workspaces:
    get:
      operationId: listWorkspaces
      summary: Appsmith - List Workspaces
      description: Returns a list of workspaces available to the authenticated user
      tags:
        - Workspaces
      responses:
        '200':
          description: A list of workspaces
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Workspace'
              examples:
                ListWorkspacesExample:
                  x-microcks-default: true
                  summary: Example workspaces list
                  value:
                    data:
                      - workspaceId: ws-main-team
                        name: Main Team
                        createdAt: "2025-06-01T00:00:00Z"
        '401':
          description: Unauthorized - invalid or missing authentication token
  /datasources:
    get:
      operationId: listDatasources
      summary: Appsmith - List Datasources
      description: Returns a list of datasources connected to Appsmith applications
      tags:
        - Datasources
      responses:
        '200':
          description: A list of datasources
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Datasource'
              examples:
                ListDatasourcesExample:
                  x-microcks-default: true
                  summary: Example datasources list
                  value:
                    data:
                      - datasourceId: ds-postgres-001
                        name: Production PostgreSQL
                        type: PostgreSQL
                        workspaceId: ws-main-team
        '401':
          description: Unauthorized - invalid or missing authentication token
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
  schemas:
    Application:
      title: Application
      description: An Appsmith low-code application
      type: object
      properties:
        applicationId:
          type: string
          description: Unique application identifier
        name:
          type: string
          description: Application name
        description:
          type: string
          description: Application description
        workspaceId:
          type: string
          description: Workspace the application belongs to
        isPublic:
          type: boolean
          description: Whether the application is publicly accessible
        createdAt:
          type: string
          format: date-time
          description: Application creation timestamp
        modifiedAt:
          type: string
          format: date-time
          description: Last modification timestamp
    Workspace:
      title: Workspace
      description: An Appsmith workspace for organizing applications
      type: object
      properties:
        workspaceId:
          type: string
          description: Unique workspace identifier
        name:
          type: string
          description: Workspace name
        createdAt:
          type: string
          format: date-time
          description: Workspace creation timestamp
    Datasource:
      title: Datasource
      description: A datasource connected to Appsmith applications
      type: object
      properties:
        datasourceId:
          type: string
          description: Unique datasource identifier
        name:
          type: string
          description: Datasource name
        type:
          type: string
          description: Datasource type (PostgreSQL, MySQL, REST API, etc.)
        workspaceId:
          type: string
          description: Workspace the datasource belongs to