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

# List companies lists

> List the companies lists for an account. Customer API keys list their own bound account (the `account_id` query param is ignored); staff TAMTAM API keys must supply an explicit `account_id`. Company membership is not inlined — read a single list to get its LinkedIn company IDs.



## OpenAPI

````yaml /reference/openapi.yaml get /v2/companies-lists
openapi: 3.1.0
info:
  title: Tamtam Public API
  version: 2.0.0
servers:
  - url: https://api.tamtam.ai/api
security: []
paths:
  /v2/companies-lists:
    get:
      tags:
        - Companies Lists
      summary: List companies lists
      description: >-
        List the companies lists for an account. Customer API keys list their
        own bound account (the `account_id` query param is ignored); staff
        TAMTAM API keys must supply an explicit `account_id`. Company membership
        is not inlined — read a single list to get its LinkedIn company IDs.
      operationId: list-companies-lists
      parameters:
        - description: >-
            Target account UUID. Required for staff callers; ignored for
            customer API keys (they always read their own account).
          explode: false
          in: query
          name: account_id
          schema:
            description: >-
              Target account UUID. Required for staff callers; ignored for
              customer API keys (they always read their own account).
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListCompaniesListsOutputBody'
          description: OK
        default:
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ErrorModel'
          description: Error
      security:
        - apikeyAuth: []
        - bearerAuth: []
components:
  schemas:
    ListCompaniesListsOutputBody:
      additionalProperties: false
      properties:
        companies_lists:
          items:
            $ref: '#/components/schemas/CompaniesListSummaryDto'
          type:
            - array
            - 'null'
      required:
        - companies_lists
      type: object
    ErrorModel:
      additionalProperties: false
      properties:
        detail:
          description: >-
            A human-readable explanation specific to this occurrence of the
            problem.
          examples:
            - Property foo is required but is missing.
          type: string
        errors:
          description: Optional list of individual error details
          items:
            $ref: '#/components/schemas/ErrorDetail'
          type:
            - array
            - 'null'
        instance:
          description: >-
            A URI reference that identifies the specific occurrence of the
            problem.
          examples:
            - https://example.com/error-log/abc123
          format: uri
          type: string
        status:
          description: HTTP status code
          examples:
            - 400
          format: int64
          type: integer
        title:
          description: >-
            A short, human-readable summary of the problem type. This value
            should not change between occurrences of the error.
          examples:
            - Bad Request
          type: string
        type:
          default: about:blank
          description: A URI reference to human-readable documentation for the error.
          examples:
            - https://example.com/errors/example
          format: uri
          type: string
      type: object
    CompaniesListSummaryDto:
      additionalProperties: false
      properties:
        account_id:
          description: Owning account UUID
          type: string
        assignee:
          description: Email of the assigned owner
          type: string
        companies_count:
          description: Number of companies currently in the list
          format: int64
          type: integer
        created_at:
          description: Creation timestamp
          format: date-time
          type: string
        created_by_user_email:
          description: Email of the creator
          type: string
        id:
          description: Companies list UUID
          type: string
        name:
          description: List name
          type: string
        tags:
          description: User-side organizational tags
          items:
            type: string
          type:
            - array
            - 'null'
      required:
        - id
        - account_id
        - name
        - tags
        - created_at
        - companies_count
      type: object
    ErrorDetail:
      additionalProperties: false
      properties:
        location:
          description: >-
            Where the error occurred, e.g. 'body.items[3].tags' or
            'path.thing-id'
          type: string
        message:
          description: Error message text
          type: string
        value:
          description: The value at the given location
      type: object
  securitySchemes:
    apikeyAuth:
      description: Account API key passed in the Authorization header
      in: header
      name: Authorization
      type: apiKey
    bearerAuth:
      description: Bearer JWT obtained via the OAuth 2.1 authorization flow
      scheme: bearer
      type: http

````