Langflow Monitor API

openapi: 3.1.0
info:
  title: Langflow Base Monitor API
  version: 1.9.0
tags:
- name: Monitor
paths:
  /api/v1/monitor/builds:
    delete:
      operationId: delete_vertex_builds_api_v1_monitor_builds_delete
      parameters:
      - in: query
        name: flow_id
        required: true
        schema:
          format: uuid
          title: Flow Id
          type: string
      responses:
        '204':
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Delete Vertex Builds
      tags:
      - Monitor
    get:
      operationId: get_vertex_builds_api_v1_monitor_builds_get
      parameters:
      - in: query
        name: flow_id
        required: true
        schema:
          format: uuid
          title: Flow Id
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VertexBuildMapModel'
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Get Vertex Builds
      tags:
      - Monitor
  /api/v1/monitor/messages:
    delete:
      operationId: delete_messages_api_v1_monitor_messages_delete
      requestBody:
        content:
          application/json:
            schema:
              items:
                format: uuid
                type: string
              title: Message Ids
              type: array
        required: true
      responses:
        '204':
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Delete Messages
      tags:
      - Monitor
    get:
      operationId: get_messages_api_v1_monitor_messages_get
      parameters:
      - in: query
        name: flow_id
        required: false
        schema:
          anyOf:
          - format: uuid
            type: string
          - type: 'null'
          title: Flow Id
      - in: query
        name: session_id
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: Session Id
      - in: query
        name: sender
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: Sender
      - in: query
        name: sender_name
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: Sender Name
      - in: query
        name: order_by
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          default: timestamp
          title: Order By
      responses:
        '200':
          content:
            application/json:
              schema:
                items:
                  $ref: '#/components/schemas/MessageResponse'
                title: Response Get Messages Api V1 Monitor Messages Get
                type: array
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Get Messages
      tags:
      - Monitor
  /api/v1/monitor/messages/session/{old_session_id}:
    patch:
      operationId: update_session_id_api_v1_monitor_messages_session__old_session_id__patch
      parameters:
      - in: path
        name: old_session_id
        required: true
        schema:
          title: Old Session Id
          type: string
      - description: The new session ID to update to
        in: query
        name: new_session_id
        required: true
        schema:
          description: The new session ID to update to
          title: New Session Id
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                items:
                  $ref: '#/components/schemas/MessageResponse'
                title: Response Update Session Id Api V1 Monitor Messages Session  Old Session Id  Patch
                type: array
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Update Session Id
      tags:
      - Monitor
  /api/v1/monitor/messages/session/{session_id}:
    delete:
      description: Delete messages for a single session.<br><br>Only deletes messages from sessions belonging to flows owned by the current user.
      operationId: delete_messages_session_api_v1_monitor_messages_session__session_id__delete
      parameters:
      - in: path
        name: session_id
        required: true
        schema:
          title: Session Id
          type: string
      responses:
        '204':
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Delete Messages Session
      tags:
      - Monitor
  /api/v1/monitor/messages/sessions:
    delete:
      description: 'Bulk delete messages for multiple sessions at once.<br><br>Only deletes messages from sessions belonging to flows owned by the current user.<br><br>Args:<br>    session_ids: List of session IDs to delete (max 500)<br>    session: Database session<br>    current_user: Current authenticated user<br><br>Returns:<br>    Confirmation message with count of deleted sessions<br><br>Raises:<br>    HTTPException: 400 if session_ids list exceeds 500 items<br>    HTTPException: 500 if database operation fails'
      operationId: delete_messages_sessions_api_v1_monitor_messages_sessions_delete
      requestBody:
        content:
          application/json:
            schema:
              items:
                type: string
              title: Session Ids
              type: array
        required: true
      responses:
        '200':
          content:
            application/json:
              schema: {}
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Delete Messages Sessions
      tags:
      - Monitor
    get:
      operationId: get_message_sessions_api_v1_monitor_messages_sessions_get
      parameters:
      - in: query
        name: flow_id
        required: false
        schema:
          anyOf:
          - format: uuid
            type: string
          - type: 'null'
          title: Flow Id
      responses:
        '200':
          content:
            application/json:
              schema:
                items:
                  type: string
                title: Response Get Message Sessions Api V1 Monitor Messages Sessions Get
                type: array
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Get Message Sessions
      tags:
      - Monitor
  /api/v1/monitor/messages/shared:
    get:
      description: Get messages for a shared/public flow, scoped to the authenticated user.<br><br>Uses a deterministic virtual flow_id derived from the user's ID and the<br>original flow ID. Only messages stored under this virtual flow_id are returned.
      operationId: get_shared_messages_api_v1_monitor_messages_shared_get
      parameters:
      - description: The original public flow ID
        in: query
        name: source_flow_id
        required: true
        schema:
          description: The original public flow ID
          format: uuid
          title: Source Flow Id
          type: string
      - in: query
        name: session_id
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: Session Id
      - in: query
        name: order_by
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          default: timestamp
          title: Order By
      responses:
        '200':
          content:
            application/json:
              schema:
                items:
                  $ref: '#/components/schemas/MessageResponse'
                title: Response Get Shared Messages Api V1 Monitor Messages Shared Get
                type: array
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Get Shared Messages
      tags:
      - Monitor
  /api/v1/monitor/messages/shared/session/{old_session_id}:
    patch:
      description: Rename a session on a shared/public flow, scoped to the authenticated user.
      operationId: rename_shared_session_api_v1_monitor_messages_shared_session__old_session_id__patch
      parameters:
      - in: path
        name: old_session_id
        required: true
        schema:
          title: Old Session Id
          type: string
      - description: The new session ID
        in: query
        name: new_session_id
        required: true
        schema:
          description: The new session ID
          title: New Session Id
          type: string
      - description: The original public flow ID
        in: query
        name: source_flow_id
        required: true
        schema:
          description: The original public flow ID
          format: uuid
          title: Source Flow Id
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                items:
                  $ref: '#/components/schemas/MessageResponse'
                title: Response Rename Shared Session Api V1 Monitor Messages Shared Session  Old Session Id  Patch
                type: array
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Rename Shared Session
      tags:
      - Monitor
  /api/v1/monitor/messages/shared/session/{session_id}:
    delete:
      description: Delete messages for a session on a shared/public flow, scoped to the authenticated user.
      operationId: delete_shared_messages_session_api_v1_monitor_messages_shared_session__session_id__delete
      parameters:
      - in: path
        name: session_id
        required: true
        schema:
          title: Session Id
          type: string
      - description: The original public flow ID
        in: query
        name: source_flow_id
        required: true
        schema:
          description: The original public flow ID
          format: uuid
          title: Source Flow Id
          type: string
      responses:
        '204':
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Delete Shared Messages Session
      tags:
      - Monitor
  /api/v1/monitor/messages/shared/sessions:
    get:
      description: Get session IDs for a shared/public flow, scoped to the authenticated user.<br><br>Uses a deterministic virtual flow_id derived from the user's ID and the<br>original flow ID. Only messages stored under this virtual flow_id are returned.
      operationId: get_shared_message_sessions_api_v1_monitor_messages_shared_sessions_get
      parameters:
      - description: The original public flow ID
        in: query
        name: source_flow_id
        required: true
        schema:
          description: The original public flow ID
          format: uuid
          title: Source Flow Id
          type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                items:
                  type: string
                title: Response Get Shared Message Sessions Api V1 Monitor Messages Shared Sessions Get
                type: array
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Get Shared Message Sessions
      tags:
      - Monitor
  /api/v1/monitor/messages/shared/{message_id}:
    put:
      description: Update a message on a shared/public flow, scoped to the authenticated user.
      operationId: update_shared_message_api_v1_monitor_messages_shared__message_id__put
      parameters:
      - in: path
        name: message_id
        required: true
        schema:
          format: uuid
          title: Message Id
          type: string
      - description: The original public flow ID
        in: query
        name: source_flow_id
        required: true
        schema:
          description: The original public flow ID
          format: uuid
          title: Source Flow Id
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MessageUpdate'
        required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MessageRead'
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Update Shared Message
      tags:
      - Monitor
  /api/v1/monitor/messages/{message_id}:
    put:
      operationId: update_message_api_v1_monitor_messages__message_id__put
      parameters:
      - in: path
        name: message_id
        required: true
        schema:
          format: uuid
          title: Message Id
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MessageUpdate'
        required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MessageRead'
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Update Message
      tags:
      - Monitor
  /api/v1/monitor/transactions:
    get:
      operationId: get_transactions_api_v1_monitor_transactions_get
      parameters:
      - in: query
        name: flow_id
        required: true
        schema:
          format: uuid
          title: Flow Id
          type: string
      - description: Page number
        in: query
        name: page
        required: false
        schema:
          default: 1
          description: Page number
          minimum: 1
          title: Page
          type: integer
      - description: Page size
        in: query
        name: size
        required: false
        schema:
          default: 50
          description: Page size
          maximum: 100
          minimum: 1
          title: Size
          type: integer
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Page_TransactionLogsResponse_'
          description: Successful Response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
      security:
      - OAuth2PasswordBearerCookie: []
      - API key query: []
      - API key header: []
      summary: Get Transactions
      tags:
      - Monitor
components:
  schemas:
    ContentBlock:
      description: A block of content that can contain different types of content.
      properties:
        allow_markdown:
          default: true
          title: Allow Markdown
          type: boolean
        contents:
          items:
            additionalProperties: true
            type: object
          title: Contents
          type: array
        media_url:
          anyOf:
          - items:
              type: string
            type: array
          - type: 'null'
          title: Media Url
        title:
          title: Title
          type: string
      required:
      - title
      - contents
      title: ContentBlock
      type: object
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          title: Detail
          type: array
      title: HTTPValidationError
      type: object
    Page_TransactionLogsResponse_:
      properties:
        items:
          items:
            $ref: '#/components/schemas/TransactionLogsResponse'
          title: Items
          type: array
        page:
          minimum: 1.0
          title: Page
          type: integer
        pages:
          minimum: 0.0
          title: Pages
          type: integer
        size:
          minimum: 1.0
          title: Size
          type: integer
        total:
          minimum: 0.0
          title: Total
          type: integer
      required:
      - items
      - total
      - page
      - size
      - pages
      title: Page[TransactionLogsResponse]
      type: object
    ValidationError:
      properties:
        ctx:
          title: Context
          type: object
        input:
          title: Input
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          title: Location
          type: array
        msg:
          title: Message
          type: string
        type:
          title: Error Type
          type: string
      required:
      - loc
      - msg
      - type
      title: ValidationError
      type: object
    TransactionLogsResponse:
      description: Transaction response model for logs view - excludes error and flow_id fields.
      properties:
        id:
          format: uuid
          title: Id
          type: string
        inputs:
          additionalProperties: true
          title: Inputs
          type: object
        outputs:
          additionalProperties: true
          title: Outputs
          type: object
        status:
          title: Status
          type: string
        target_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Target Id
        timestamp:
          format: date-time
          title: Timestamp
          type: string
        vertex_id:
          title: Vertex Id
          type: string
      required:
      - id
      - vertex_id
      - status
      title: TransactionLogsResponse
      type: object
    VertexBuildTable:
      properties:
        artifacts:
          additionalProperties: true
          title: Artifacts
          type: object
        build_id:
          anyOf:
          - format: uuid
            type: string
          - type: 'null'
          title: Build Id
        data:
          additionalProperties: true
          title: Data
          type: object
        flow_id:
          format: uuid
          title: Flow Id
          type: string
        id:
          title: Id
          type: string
        job_id:
          anyOf:
          - format: uuid
            type: string
          - type: 'null'
          title: Job Id
        params:
          title: Params
          type: string
        timestamp:
          format: date-time
          title: Timestamp
          type: string
        valid:
          title: Valid
          type: boolean
      required:
      - id
      - valid
      - flow_id
      title: VertexBuildTable
      type: object
    MessageResponse:
      properties:
        category:
          anyOf:
          - type: string
          - type: 'null'
          title: Category
        content_blocks:
          anyOf:
          - items:
              $ref: '#/components/schemas/ContentBlock'
            type: array
          - type: 'null'
          title: Content Blocks
        context_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Context Id
        duration:
          anyOf:
          - type: number
          - type: 'null'
          title: Duration
        edit:
          title: Edit
          type: boolean
        files:
          default: []
          items:
            type: string
          title: Files
          type: array
        flow_id:
          anyOf:
          - format: uuid
            type: string
          - type: 'null'
          title: Flow Id
        id:
          anyOf:
          - type: string
          - format: uuid
            type: string
          - type: 'null'
          title: Id
        properties:
          anyOf:
          - $ref: '#/components/schemas/Properties'
          - type: 'null'
        sender:
          title: Sender
          type: string
        sender_name:
          title: Sender Name
          type: string
        session_id:
          title: Session Id
          type: string
        session_metadata:
          anyOf:
          - additionalProperties: true
            type: object
          - type: 'null'
          title: Session Metadata
        text:
          title: Text
          type: string
        timestamp:
          format: date-time
          title: Timestamp
          type: string
      required:
      - sender
      - sender_name
      - session_id
      - text
      - edit
      title: MessageResponse
      type: object
    Source:
      properties:
        display_name:
          anyOf:
          - type: string
          - type: 'null'
          description: The display name of the source component.
          title: Display Name
        id:
          anyOf:
          - type: string
          - type: 'null'
          description: The id of the source component.
          title: Id
        source:
          anyOf:
          - type: string
          - type: 'null'
          description: The source of the message. Normally used to display the model name (e.g. 'gpt-4o')
          title: Source
      title: Source
      type: object
    MessageUpdate:
      properties:
        context_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Context Id
        edit:
          anyOf:
          - type: boolean
          - type: 'null'
          title: Edit
        error:
          anyOf:
          - type: boolean
          - type: 'null'
          title: Error
        files:
          anyOf:
          - items:
              type: string
            type: array
          - type: 'null'
          title: Files
        properties:
          anyOf:
          - $ref: '#/components/schemas/Properties'
          - type: 'null'
        sender:
          anyOf:
          - type: string
          - type: 'null'
          title: Sender
        sender_name:
          anyOf:
          - type: string
          - type: 'null'
          title: Sender Name
        session_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Session Id
        session_metadata:
          anyOf:
          - additionalProperties: true
            type: object
          - type: 'null'
          title: Session Metadata
        text:
          anyOf:
          - type: string
          - type: 'null'
          title: Text
      title: MessageUpdate
      type: object
    Usage:
      description: Token usage information from LLM responses.
      properties:
        input_tokens:
          anyOf:
          - type: integer
          - type: 'null'
          title: Input Tokens
        output_tokens:
          anyOf:
          - type: integer
          - type: 'null'
          title: Output Tokens
        total_tokens:
          anyOf:
          - type: integer
          - type: 'null'
          title: Total Tokens
      title: Usage
      type: object
    MessageRead:
      properties:
        category:
          default: message
          title: Category
          type: string
        content_blocks:
          items:
            $ref: '#/components/schemas/ContentBlock'
          title: Content Blocks
          type: array
        context_id:
          anyOf:
          - type: string
          - type: 'null'
          title: Context Id
        edit:
          default: false
          title: Edit
          type: boolean
        error:
          default: false
          title: Error
          type: boolean
        files:
          items:
            type: string
          title: Files
          type: array
        flow_id:
          anyOf:
          - format: uuid
            type: string
          - type: 'null'
          title: Flow Id
        id:
          format: uuid
          title: Id
          type: string
        properties:
          $ref: '#/components/schemas/Properties'
        sender:
          title: Sender
          type: string
        sender_name:
          title: Sender Name
          type: string
        session_id:
          title: Session Id
          type: string
        session_metadata:
          anyOf:
          - additionalProperties: true
            type: object
          - type: 'null'
          title: Session Metadata
        text:
          title: Text
          type: string
        timestamp:
          format: date-time
          title: Timestamp
          type: string
      required:
      - sender
      - sender_name
      - session_id
      - text
      - id
      - flow_id
      title: MessageRead
      type: object
    Properties:
      properties:
        allow_markdown:
          default: false
          title: Allow Markdown
          type: boolean
        background_color:
          anyOf:
          - type: string
          - type: 'null'
          title: Background Color
        build_duration:
          anyOf:
          - type: number
          - type: 'null'
          title: Build Duration
        edited:
          default: false
          title: Edited
          type: boolean
        icon:
          anyOf:
          - type: string
          - type: 'null'
          title: Icon
        positive_feedback:
          anyOf:
          - type: boolean
          - type: 'null'
          title: Positive Feedback
        source:
          $ref: '#/components/schemas/Source'
        state:
          default: complete
          enum:
          - partial
          - complete
          title: State
          type: string
        targets:
          default: []
          items: {}
          title: Targets
          type: array
        text_color:
          anyOf:
          - type: string
          - type: 'null'
          title: Text Color
        usage:
          anyOf:
          - $ref: '#/components/schemas/Usage'
          - type: 'null'
      title: Properties
      type: object
    VertexBuildMapModel:
      properties:
        vertex_builds:
          additionalProperties:
            items:
              $ref: '#/components/schemas/VertexBuildTable'
            type: array
          title: Vertex Builds
          type: object
      required:
      - vertex_builds
      title: VertexBuildMapModel
      type: object
  securitySchemes:
    API key header:
      in: header
      name: x-api-key
      type: apiKey
    API key query:
      in: query
      name: x-api-key
      type: apiKey
    OAuth2PasswordBearerCookie:
      flows:
        password:
          scopes: {}
          tokenUrl: api/v1/login
      type: oauth2