> ## Documentation Index
> Fetch the complete documentation index at: https://developer.lexful.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# List Asset Types

> List all asset types with optional filters and pagination



## OpenAPI

````yaml /api/openapi.yaml get /v1/asset_types
openapi: 3.0.3
info:
  title: Documentation Service API
  description: API documentation for Documentation Service
  version: 1.0.0
servers:
  - url: https://api.us.lexful.app
    description: US pod
security:
  - bearerAuth: []
    accountId: []
paths:
  /v1/asset_types:
    get:
      tags:
        - Asset Types
      summary: List Asset Types
      description: List all asset types with optional filters and pagination
      parameters:
        - schema:
            type: array
            items:
              type: string
          in: query
          name: names
          required: false
          description: Filter by one or more asset type names
        - schema:
            type: string
          in: query
          name: display_name
          required: false
          description: Filter by display name
        - schema:
            type: boolean
          in: query
          name: is_system
          required: false
          description: Filter by system asset type flag
        - schema:
            type: boolean
          in: query
          name: include_deleted
          required: false
          description: 'Include soft-deleted asset types and properties (default: false)'
        - schema:
            type: number
            default: 100
            minimum: 1
            maximum: 1000
          in: query
          name: limit
          required: false
        - schema:
            type: number
            default: 0
            minimum: 0
          in: query
          name: offset
          required: false
      responses:
        '200':
          $ref: '#/components/responses/ListAssetTypesResponse'
        '400':
          $ref: '#/components/responses/BadRequestResponse'
        '403':
          $ref: '#/components/responses/ForbiddenResponse'
        '500':
          $ref: '#/components/responses/InternalServerErrorResponse'
components:
  responses:
    ListAssetTypesResponse:
      description: Default Response
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ListAssetTypesResponse_application_json'
    BadRequestResponse:
      description: Bad request - validation error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    ForbiddenResponse:
      description: Forbidden - insufficient permissions
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    InternalServerErrorResponse:
      description: Internal server error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    ListAssetTypesResponse_application_json:
      type: object
      properties:
        items:
          type: array
          items:
            $ref: >-
              #/components/schemas/ListAssetTypesResponse_application_json_items_items
        total:
          type: number
          description: Total number of items available
        limit:
          type: number
          description: Number of items returned
        offset:
          type: number
          description: Number of items skipped
      required:
        - items
        - total
        - limit
        - offset
    ErrorResponse:
      description: Bad request - validation error
      type: object
      properties:
        status:
          type: number
          description: HTTP status code
        message:
          type: string
          description: Error message
        error_id:
          type: string
          description: Unique error identifier
        error_code:
          type: string
          description: Error code
        developer_message:
          type: string
          description: Additional details for developers
    ListAssetTypesResponse_application_json_items_items:
      type: object
      properties:
        id:
          type: string
          format: uuid
          description: Asset type unique identifier
        account_id:
          type: string
          format: uuid
          description: Account ID
        name:
          type: string
          description: Asset type name (unique, used in URLs)
        display_name:
          type: string
          description: Display name for UI
        description:
          type: string
          description: Asset type description
        is_system:
          type: boolean
          description: Whether this is a system asset type
        properties:
          type: array
          items:
            $ref: >-
              #/components/schemas/ListAssetTypesResponse_application_json_items_items_properties_items
          description: Asset type properties
        references:
          type: array
          items:
            $ref: >-
              #/components/schemas/ListAssetTypesResponse_application_json_items_items_references_items
          description: Asset type references
        ui_config:
          $ref: >-
            #/components/schemas/ListAssetTypesResponse_application_json_items_items_ui_config
        version:
          type: number
          description: Asset type version
        created_at:
          type: string
          format: date-time
          description: Creation timestamp
        updated_at:
          type: string
          format: date-time
          description: Last update timestamp
        created_by:
          type: string
          description: User ID who created
        updated_by:
          type: string
          description: User ID who last updated
      required:
        - id
        - name
        - display_name
        - is_system
        - properties
        - version
      example:
        id: 019983a9-c4bf-77da-a35b-5eb177b7b859
        account_id: 019983a9-c4bf-77da-a35b-5eb177b7b859
        name: system.contact
        display_name: Contacts
        description: Contacts are people and identities associated with an organization
        is_system: true
        properties:
          - name: first_name
            type: string
            display_name: First Name
            required: false
          - name: last_name
            type: string
            display_name: Last Name
            required: false
          - name: title
            type: string
            display_name: Title
            required: false
          - name: important
            type: boolean
            display_name: Important
            required: true
          - name: contact_type
            type: string
            display_name: Contact Type
            required: false
            enum:
              - Approver
              - Champion
              - Decision Maker
              - End User
              - Evaluator
              - Influencer
              - Owner
              - Other
          - name: contact_methods
            type: array
            display_name: Contact Methods
            required: false
            array:
              type: object
              properties:
                - name: type
                  type: string
                  display_name: Contact Method Type
                  required: true
                  enum:
                    - Phone
                    - Fax
                    - Mobile
                    - Email
                    - Website
                    - Twitter
                    - LinkedIn
                    - Other
                - name: value
                  type: string
                  display_name: Contact Method Value
                  required: true
          - name: preferred_contact_method
            type: string
            display_name: Preferred Contact Method
            required: false
            enum:
              - Phone
              - Fax
              - Mobile
              - Email
              - Website
              - Twitter
              - LinkedIn
              - Other
          - name: notes
            type: richtext
            display_name: Notes
            required: false
        references:
          - name: location
            display_name: Location
            required: false
            multiple: false
            target_asset_types:
              - system.location
        version: 1
        created_at: '2024-01-15T10:30:00.000Z'
        updated_at: '2024-01-15T10:30:00.000Z'
        created_by: 019983a9-c4c0-73af-aec9-463feeadc2e7
        updated_by: 019983a9-c4c0-73af-aec9-463feeadc2e7
    ListAssetTypesResponse_application_json_items_items_properties_items:
      type: object
      properties:
        name:
          type: string
          description: Property name
        type:
          type: string
          enum:
            - string
            - number
            - integer
            - boolean
            - array
            - secret
            - totp
            - file
            - date
            - datetime
            - richtext
            - richtext_large
          description: Property type
        display_name:
          type: string
          description: Display name for UI
        description:
          type: string
          description: Property description
        required:
          type: boolean
          description: Whether this property is required
        enum:
          type: array
          items:
            anyOf:
              - type: string
              - type: number
              - type: boolean
          description: Allowed values for this property
        array:
          $ref: >-
            #/components/schemas/ListAssetTypesResponse_application_json_items_items_properties_items_array
        file_rules:
          $ref: >-
            #/components/schemas/ListAssetTypesResponse_application_json_items_items_properties_items_file_rules
        monitors:
          type: array
          description: Monitors targeting this property (only present when expand=monitors)
          items:
            $ref: >-
              #/components/schemas/ListAssetTypesResponse_application_json_items_items_properties_items_monitors_items
      required:
        - name
        - type
        - display_name
        - required
    ListAssetTypesResponse_application_json_items_items_references_items:
      type: object
      properties:
        name:
          type: string
          description: Reference name
        display_name:
          type: string
          description: Display name for UI
        description:
          type: string
          description: Reference description
        required:
          type: boolean
          description: Whether this reference is required
        multiple:
          type: boolean
          description: Whether multiple references are allowed
        target_asset_types:
          type: array
          items:
            type: string
          description: Target asset type names
      required:
        - name
        - display_name
        - required
        - multiple
    ListAssetTypesResponse_application_json_items_items_ui_config:
      type: object
      description: UI rendering hints for the asset/entity type
      properties:
        icon:
          type: string
          maxLength: 64
          description: Lucide icon name
        hidden_columns:
          type: array
          items:
            type: string
          maxItems: 200
          description: >-
            Deprecated: legacy per-account column visibility; column state now
            persists per-user in the browser. Retained so existing data
            round-trips.
        list_column_order:
          type: array
          items:
            type: string
          maxItems: 200
          description: Default column order for list views, as field keys.
        list_hidden_columns:
          type: array
          items:
            type: string
          maxItems: 200
          description: Field keys hidden by default in list views.
      additionalProperties: false
    ListAssetTypesResponse_application_json_items_items_properties_items_array:
      type: object
      properties:
        type:
          type: string
          enum:
            - string
            - number
            - integer
            - boolean
            - object
          description: Array item type
        properties:
          type: array
          items:
            $ref: >-
              #/components/schemas/ListAssetTypesResponse_application_json_items_items_properties_items_array_properties_items
          description: Properties for object array items
      description: Array item configuration
    ListAssetTypesResponse_application_json_items_items_properties_items_file_rules:
      type: object
      properties:
        max_size:
          type: number
          description: Maximum file size in bytes
        allowed_extensions:
          type: array
          items:
            type: string
          description: Allowed file extensions (e.g., [".pdf", ".jpg"])
        allowed_mime_types:
          type: array
          items:
            type: string
          description: Allowed MIME types (e.g., ["application/pdf", "image/jpeg"])
      description: File validation rules
    ListAssetTypesResponse_application_json_items_items_properties_items_monitors_items:
      type: object
      properties:
        id:
          type: string
          format: uuid
          description: Monitor ID
        name:
          type: string
          description: Monitor name
        kind:
          type: string
          description: Monitor kind
        enabled:
          type: boolean
          description: Whether the monitor is active
        config:
          type: object
          nullable: true
          additionalProperties: true
          description: Monitor configuration
      required:
        - id
        - name
        - kind
        - enabled
    ListAssetTypesResponse_application_json_items_items_properties_items_array_properties_items:
      type: object
      properties:
        name:
          type: string
          description: Property name
        type:
          type: string
          enum:
            - string
            - number
            - integer
            - boolean
          description: Property type
        description:
          type: string
          description: Property description
        required:
          type: boolean
          description: Whether this property is required
        enum:
          type: array
          items:
            anyOf:
              - type: string
              - type: number
              - type: boolean
          description: Allowed values
      required:
        - name
        - type
        - required
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Bearer token
    accountId:
      type: apiKey
      in: header
      name: X-Account-ID
      description: Account ID

````