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

# Get a company

> Returns a single company by slug (e.g., 'apple'), domain (e.g., 'apple.com'), or ID.



## OpenAPI

````yaml /openapi.json get /v1/companies/{id}
openapi: 3.1.0
info:
  description: Public API for Particle — news intelligence, financial data, and analysis.
  title: Particle API
  version: 0.1.0
servers:
  - url: https://api.particle.pro
security:
  - ApiKeyHeader: []
  - BearerAuth: []
paths:
  /v1/companies/{id}:
    get:
      tags:
        - Companies
        - tier:standard
      summary: Get a company
      description: >-
        Returns a single company by slug (e.g., 'apple'), domain (e.g.,
        'apple.com'), or ID.
      operationId: get-company
      parameters:
        - description: >-
            Company slug (e.g., 'apple', 'tesla'), domain (e.g., 'apple.com'),
            or ID
          in: path
          name: id
          required: true
          schema:
            description: >-
              Company slug (e.g., 'apple', 'tesla'), domain (e.g., 'apple.com'),
              or ID
            type: string
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Company'
          description: OK
        default:
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/PlatformError'
          description: Error
      x-codeSamples:
        - label: cURL
          lang: curl
          source: |-
            curl -H "X-API-Key: $PARTICLE_API_KEY" \
              "https://api.particle.pro/v1/companies/{id}"
components:
  schemas:
    Company:
      additionalProperties: false
      properties:
        description:
          description: Company description
          type: string
        id:
          description: Unique identifier
          type: string
        identifiers:
          $ref: '#/components/schemas/CompanyIdentifiers'
          description: External identifiers
        name:
          description: Company name
          type: string
        updated_at:
          description: Last updated timestamp
          format: date-time
          type: string
      required:
        - id
        - name
      type: object
    PlatformError:
      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
        error_code:
          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
        resolve:
          $ref: '#/components/schemas/ErrorResolve'
        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
    CompanyIdentifiers:
      additionalProperties: false
      properties:
        cik:
          description: SEC Central Index Key
          type: string
        domain:
          description: Company domain
          type: string
        entity:
          $ref: '#/components/schemas/EntityCompact'
          description: Linked knowledge graph entity
        qid:
          description: Wikidata QID
          type: string
        ticker:
          description: Primary stock ticker symbol
          type: string
      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
    ErrorResolve:
      additionalProperties: false
      properties:
        action:
          type: string
        endpoint:
          type: string
        message:
          type: string
        method:
          type: string
        url:
          type: string
      required:
        - message
      type: object
    EntityCompact:
      additionalProperties: false
      properties:
        company:
          $ref: '#/components/schemas/EntityCompany'
          description: Linked company record, if this entity is a known company
        description:
          description: Short description
          type: string
        id:
          description: Entity ID
          type: string
        image_url:
          description: Entity image URL
          type: string
        name:
          description: Entity name
          type: string
        person:
          $ref: '#/components/schemas/EntityPerson'
          description: Linked person record, if this entity is a known person
        slug:
          description: Human-readable slug identifier
          type: string
        type:
          $ref: '#/components/schemas/EntityType'
          description: Category. Omitted when the entity falls outside the supported set.
        wikipedia_url:
          description: Wikipedia URL
          type: string
      required:
        - id
        - slug
        - name
      type: object
    EntityCompany:
      additionalProperties: false
      properties:
        domain:
          description: Company website domain
          type: string
        id:
          description: Company identifier
          type: string
        ticker:
          description: Primary stock ticker symbol
          type: string
      required:
        - id
      type: object
    EntityPerson:
      additionalProperties: false
      properties:
        company:
          description: Current company name
          type: string
        id:
          description: Person identifier
          type: string
        image_url:
          description: Person headshot URL
          type: string
        title:
          description: Current role title
          type: string
      required:
        - id
      type: object
    EntityType:
      additionalProperties: false
      properties:
        name:
          description: Human-friendly display label (e.g. 'Company').
          type: string
        slug:
          description: >-
            Stable identifier, safe to pass to the type query parameter (e.g.
            'company').
          type: string
      required:
        - slug
        - name
      type: object
  securitySchemes:
    ApiKeyHeader:
      description: Pass your API key in the X-API-Key header (recommended).
      in: header
      name: X-API-Key
      type: apiKey
    BearerAuth:
      description: Pass your API key as a Bearer token in the Authorization header.
      scheme: bearer
      type: http

````