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OpenAPI Specification

openapi: 3.2.0
info:
  title: APITube News Utilities API
  description: Real-time news API providing access to articles from 500,000+ verified sources worldwide in 60+ languages. Supports full-text search, sentiment analysis, entity recognition, and advanced filtering.
  version: 1.0.0
  contact:
    name: APITube Support
    url: https://apitube.io/contact
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  x-logo:
    url: https://apitube.io/images/logo.svg
servers:
- url: https://api.apitube.io
  description: Production API server
security:
- ApiKeyHeader: []
- ApiKeyQuery: []
tags:
- name: Utilities
  description: Helper endpoints for building queries
paths:
  /v1/suggest/entities:
    get:
      summary: Autocomplete entity search
      description: Search for entity IDs (people, organizations, brands, locations) by name. Use to resolve entity names to IDs before filtering news results.
      operationId: suggestEntities
      tags:
      - Utilities
      parameters:
      - name: api_key
        in: query
        description: Your API key (alternative to X-API-Key header)
        required: false
        schema:
          type: string
      - name: q
        in: query
        description: Search query string for entity name autocomplete.
        required: true
        schema:
          type: string
        example: Apple
      - name: type
        in: query
        description: Filter suggestions by entity type.
        required: false
        schema:
          type: string
          enum:
          - human
          - organization
          - brand
          - location
      responses:
        '200':
          description: List of matching entities
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EntitySuggestResponse'
        '400':
          $ref: '#/components/responses/BadRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  schemas:
    EntitySuggestResponse:
      type: object
      properties:
        status:
          type: string
          example: ok
        results:
          type: array
          items:
            type: object
            properties:
              id:
                type: integer
              name:
                type: string
              type:
                type: string
                enum:
                - human
                - organization
                - brand
                - location
    ErrorResponse:
      type: object
      required:
      - status
      - code
      - message
      properties:
        status:
          type: integer
          description: HTTP status code
        code:
          type: string
          description: Machine-readable error identifier
        message:
          type: string
          description: Human-readable error description
        links:
          type: object
          properties:
            about:
              type: string
              description: Documentation URL for this error
  responses:
    BadRequest:
      description: Invalid request parameters
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Missing or invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          example:
            status: 401
            code: unauthorized
            message: Invalid or missing API key. Provide it via X-API-Key header or api_key query parameter.
  securitySchemes:
    ApiKeyHeader:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key passed as a request header
    ApiKeyQuery:
      type: apiKey
      in: query
      name: api_key
      description: API key passed as a query parameter
externalDocs:
  description: Full APITube documentation
  url: https://docs.apitube.io