The Hog Company Search API

openapi: 3.0.0
info:
  title: The Hog Company Search API
  description: Public API reference for The Hog.
  version: '1.0'
  contact: {}
servers:
- url: https://developer.thehog.ai
tags:
- name: Company Search
paths:
  /api/v1/companies/search:
    post:
      description: Async company discovery. Returns operationId; poll GET /api/operations/:id.
      operationId: searchCompanies
      parameters:
      - name: Idempotency-Key
        in: header
        description: Optional. Reusing the same key for the same organization returns the existing queued operation.
        required: false
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PostCompanySearchDto'
      responses:
        '202':
          description: Company search accepted. Poll the returned URL for results.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EntitySearchAcceptedPublicDto'
        '400':
          description: The request body or parameters are invalid.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PublicErrorResponseDto'
              example:
                statusCode: 400
                error: Bad Request
                message: Validation failed
                path: /api/v1/search
                timestamp: '2026-05-21T09:08:10.000Z'
                requestId: 506af9b3-01a9-43be-9eb4-8458fe3e4f5b
                errors:
                - property: body.query
                  message: query must be a string
                  constraints:
                    isString: query must be a string
        '401':
          description: Authentication is required.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PublicErrorResponseDto'
              example:
                statusCode: 401
                error: Unauthorized
                message: Authentication is required.
                path: /api/v1/search
                timestamp: '2026-05-21T09:08:10.000Z'
                requestId: 506af9b3-01a9-43be-9eb4-8458fe3e4f5b
        '402':
          description: The organization does not have enough credits for this request.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PublicErrorResponseDto'
              example:
                statusCode: 402
                error: Payment Required
                message: Insufficient credits.
                path: /api/v1/search
                timestamp: '2026-05-21T09:08:10.000Z'
                requestId: 506af9b3-01a9-43be-9eb4-8458fe3e4f5b
        '500':
          description: An unexpected error occurred.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PublicErrorResponseDto'
              example:
                statusCode: 500
                error: Internal Server Error
                message: An unexpected error occurred.
                path: /api/v1/search
                timestamp: '2026-05-21T09:08:10.000Z'
                requestId: 506af9b3-01a9-43be-9eb4-8458fe3e4f5b
      security:
      - AccessKey: []
        SecretKey: []
      summary: Search companies
      tags:
      - Company Search
components:
  schemas:
    PostCompanySearchDto:
      type: object
      properties:
        query:
          type: string
          example: B2B SaaS companies in Austin hiring engineers
          maxLength: 500
        limit:
          type: number
          default: 25
          minimum: 1
          maximum: 100
        includeSignals:
          type: boolean
          default: false
        filters:
          $ref: '#/components/schemas/EntitySearchFiltersDto'
        confirm:
          type: boolean
      required:
      - query
    EntitySearchFiltersDto:
      type: object
      properties:
        titles:
          type: array
          items:
            type: string
        titleMatch:
          type: string
          enum:
          - exact
          - similar
        locations:
          type: array
          items:
            type: string
        industries:
          type: array
          items:
            type: string
        employeeCount:
          $ref: '#/components/schemas/EntityEmployeeCountFilterDto'
        signals:
          type: array
          items:
            type: string
        company:
          $ref: '#/components/schemas/EntityCompanyNestedFilterDto'
    EntityEmployeeCountFilterDto:
      type: object
      properties:
        min:
          type: number
          minimum: 0
        max:
          type: number
          minimum: 0
    PublicValidationErrorItemDto:
      type: object
      properties:
        property:
          type: string
          example: body.query
        message:
          type: string
          example: query must be a string
        constraints:
          type: object
          additionalProperties:
            type: string
          example:
            isString: query must be a string
      required:
      - property
      - message
    EntityCompanyNestedFilterDto:
      type: object
      properties:
        names:
          type: array
          items:
            type: string
        domains:
          type: array
          items:
            type: string
        linkedinUrls:
          type: array
          items:
            type: string
        industries:
          type: array
          items:
            type: string
        employeeCount:
          $ref: '#/components/schemas/EntityEmployeeCountFilterDto'
        signals:
          type: array
          items:
            type: string
    PublicErrorResponseDto:
      type: object
      properties:
        statusCode:
          type: number
          example: 400
        error:
          type: string
          example: Bad Request
        message:
          type: string
          example: Validation failed
        path:
          type: string
          example: /api/v1/search
        requestId:
          type: string
          example: 506af9b3-01a9-43be-9eb4-8458fe3e4f5b
        timestamp:
          type: string
          example: '2026-05-21T09:08:10.000Z'
        errors:
          type: array
          items:
            $ref: '#/components/schemas/PublicValidationErrorItemDto'
      required:
      - statusCode
      - error
      - message
      - path
      - timestamp
    EntitySearchAcceptedPublicDto:
      type: object
      properties:
        id:
          type: string
        operationId:
          type: string
        status:
          type: string
          enum:
          - queued
        pollUrl:
          type: string
      required:
      - id
      - operationId
      - status
      - pollUrl
  securitySchemes:
    AccessKey:
      type: apiKey
      in: header
      name: X-Access-Key
      description: The public API key from the Credentials page.
    SecretKey:
      type: apiKey
      in: header
      name: X-Secret-Key
      description: The API secret shown when the credential is created.