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

# List Projects (Passthrough)

> List projects accessible via the connected vendor account. Response fields and pagination semantics vary by vendor (e.g., for Jira: `vendor_id` is the project key such as `PROJ`).



## OpenAPI

````yaml get /itsm/passthrough/projects
openapi: 3.1.0
info:
  title: Leen Security API
  version: 0.0.1
servers:
  - description: Production API (US)
    url: https://api.leen.dev/v1
  - description: Production API (EU)
    url: https://api.eu-c1.leen.dev/v1
  - description: Production API (APAC)
    url: https://api.ap-se2.leen.dev/v1
security: []
paths:
  /itsm/passthrough/projects:
    get:
      tags:
        - ITSM
        - Passthrough
      summary: List Projects (Passthrough)
      description: >-
        List projects accessible via the connected vendor account. Response
        fields and pagination semantics vary by vendor (e.g., for Jira:
        `vendor_id` is the project key such as `PROJ`).
      operationId: passthrough_list_projects
      parameters:
        - in: query
          name: limit
          required: false
          schema:
            default: 100
            maximum: 500
            minimum: 1
            title: Limit
            type: integer
        - in: query
          name: offset
          required: false
          schema:
            default: 0
            minimum: 0
            title: Offset
            type: integer
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: >-
                  #/components/schemas/OffsetPaginatedResponse_PassthroughProject_
          description: Successful Response
        '400':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
          description: Bad Request
        '401':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
          description: Unauthorized
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
          description: Not Found
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
        '429':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
          description: Too Many Requests
        '502':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
          description: Bad Gateway
      security:
        - API-Key: []
          Connection-ID: []
components:
  schemas:
    OffsetPaginatedResponse_PassthroughProject_:
      properties:
        count:
          description: Number of items return in the response
          title: Count
          type: integer
        items:
          description: The records on this page.
          items:
            $ref: '#/components/schemas/PassthroughProject'
          title: Items
          type: array
        total:
          anyOf:
            - type: integer
            - type: 'null'
          description: Total number of items that can be returned
          title: Total
      required:
        - count
        - items
      title: OffsetPaginatedResponse[PassthroughProject]
      type: object
    ErrorResponse:
      properties:
        code:
          description: Error code
          title: Code
          type: string
        detail:
          description: List of error dictionaries
          items:
            additionalProperties: true
            type: object
          title: Detail
          type: array
        message:
          description: Error message
          title: Message
          type: string
        type:
          description: Type of error
          title: Type
          type: string
      required:
        - type
        - code
        - message
        - detail
      title: ErrorResponse
      type: object
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          title: Detail
          type: array
      title: HTTPValidationError
      type: object
    PassthroughProject:
      properties:
        issue_types:
          anyOf:
            - items:
                $ref: '#/components/schemas/PassthroughIssueType'
              type: array
            - type: 'null'
          description: Issue types available in this project
          title: Issue Types
        name:
          description: Project name
          title: Name
          type: string
        project_type:
          anyOf:
            - type: string
            - type: 'null'
          description: Vendor project type
          title: Project Type
        vendor_id:
          description: Vendor's project identifier (e.g., Jira project key)
          title: Vendor Id
          type: string
      required:
        - vendor_id
        - name
      title: PassthroughProject
      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
    PassthroughIssueType:
      properties:
        description:
          anyOf:
            - type: string
            - type: 'null'
          description: What this issue type is for, as the tool describes it.
          title: Description
        icon_url:
          anyOf:
            - type: string
            - type: 'null'
          description: Icon the tool shows for this type.
          title: Icon Url
        name:
          description: Issue type name
          title: Name
          type: string
        subtask:
          default: false
          description: Whether this type can only exist beneath a parent issue.
          title: Subtask
          type: boolean
        vendor_id:
          description: Vendor's issue type identifier
          title: Vendor Id
          type: string
      required:
        - vendor_id
        - name
      title: PassthroughIssueType
      type: object
  securitySchemes:
    API-Key:
      in: header
      name: X-API-KEY
      type: apiKey
    Connection-ID:
      in: header
      name: X-CONNECTION-ID
      type: apiKey

````

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