Seamless.AI Companies API

openapi: 3.0.3
info:
  title: Seamless.AI Companies API
  description: >-
    The Seamless.AI Companies API enables programmatic search and research of company
    data including firmographics, revenue, employee count, technology stack, and company
    intelligence for sales and marketing use cases.
  version: 1.0.0
  contact:
    url: https://docs.seamless.ai/
servers:
  - url: https://api.seamless.ai
    description: Seamless.AI API
security:
  - apiKey: []
paths:
  /v1/companies/search:
    post:
      operationId: searchCompanies
      summary: Search Companies
      description: >-
        Search for companies using criteria such as company name, domain, industry,
        location, revenue range, employee count, and technology stack. Returns paginated
        results with company identifiers for further research.
      tags:
        - Companies
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CompanySearchRequest'
      responses:
        '200':
          description: Successful company search results
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CompanySearchResponse'
        '401':
          description: Unauthorized
        '429':
          description: Rate limit exceeded
  /v1/companies/research:
    post:
      operationId: researchCompany
      summary: Research Company
      description: >-
        Research a specific company using a search result ID from /companies/search,
        or by providing direct identifiers such as domain or company name. Returns
        comprehensive company profiles including firmographics, technology stack,
        funding data, and key contacts.
      tags:
        - Companies
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CompanyResearchRequest'
      responses:
        '200':
          description: Full company research data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CompanyRecord'
        '401':
          description: Unauthorized
        '429':
          description: Rate limit exceeded
  /v1/companies/enrich:
    post:
      operationId: enrichCompany
      summary: Enrich Company
      description: >-
        Enrich an existing company record with updated or missing firmographic data.
        Provide known company identifiers and receive back verified company information
        including revenue, employee count, industry classification, and technology stack.
      tags:
        - Companies
        - Enrichment
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CompanyEnrichRequest'
      responses:
        '200':
          description: Enriched company data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CompanyRecord'
        '401':
          description: Unauthorized
        '429':
          description: Rate limit exceeded
components:
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: Authorization
      description: API key in the format "Bearer {api_key}"
  schemas:
    CompanySearchRequest:
      type: object
      properties:
        name:
          type: string
          description: Company name or keyword
        domain:
          type: string
          description: Company website domain
        industry:
          type: string
          description: Industry vertical
        location:
          type: string
          description: City, state, or country
        minEmployees:
          type: integer
          description: Minimum employee count
        maxEmployees:
          type: integer
          description: Maximum employee count
        minRevenue:
          type: number
          description: Minimum annual revenue in USD
        maxRevenue:
          type: number
          description: Maximum annual revenue in USD
        technologies:
          type: array
          items:
            type: string
          description: Technology stack filters
        page:
          type: integer
          default: 1
        per_page:
          type: integer
          default: 25
          maximum: 100
    CompanySearchResponse:
      type: object
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/CompanySearchResult'
        meta:
          $ref: '#/components/schemas/PaginationMeta'
        supplementalData:
          type: object
          properties:
            nextToken:
              type: string
    CompanySearchResult:
      type: object
      properties:
        searchResultId:
          type: string
          description: Unique identifier for research calls
        name:
          type: string
        domain:
          type: string
        industry:
          type: string
        location:
          type: string
        employeeCount:
          type: integer
    CompanyResearchRequest:
      type: object
      properties:
        searchResultId:
          type: string
          description: ID from /companies/search
        domain:
          type: string
          description: Company domain for direct lookup
        companyName:
          type: string
          description: Company name for direct lookup
    CompanyEnrichRequest:
      type: object
      properties:
        domain:
          type: string
        companyName:
          type: string
        linkedinUrl:
          type: string
    CompanyRecord:
      type: object
      properties:
        id:
          type: string
        name:
          type: string
        domain:
          type: string
        description:
          type: string
        industry:
          type: string
        subIndustry:
          type: string
        employeeCount:
          type: integer
        revenue:
          type: number
          description: Annual revenue in USD
        founded:
          type: integer
          description: Year founded
        headquarters:
          type: object
          properties:
            city:
              type: string
            state:
              type: string
            country:
              type: string
        technologies:
          type: array
          items:
            type: string
        linkedinUrl:
          type: string
        twitterUrl:
          type: string
        facebookUrl:
          type: string
        funding:
          type: object
          properties:
            totalAmount:
              type: number
            lastRound:
              type: string
            lastRoundDate:
              type: string
              format: date
    PaginationMeta:
      type: object
      properties:
        page:
          type: integer
        per_page:
          type: integer
        total:
          type: integer
        total_pages:
          type: integer