Voyant.io Companies API

The Companies API from Voyant.io — 7 operation(s) for companies.

Operations 7

GET /api/companies List Companies #
GET /api/companies/{company_id} Get Company Details #
POST /api/companies/analyze Analyze Github Signals For Companies #
GET /api/companies/tech-stack/summary Get Tech Stack Summary #
GET /api/companies/{company_id}/interests Get Company Interests #
GET /api/companies/search Search Companies #
GET /api/companies/health Companies Health Check #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/voyant-companies-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

voyant-companies-api-openapi.yml Raw ↑
openapi: 3.2.0
info:
  title: VoyantIO Companies API
  description: '

    ## Brand Context Intelligence Platform


    VoyantIO provides AI-powered brand context management for GTM teams.


    ### Core Capabilities


    - **Context Streams** - Centralized brand knowledge that any AI tool can use

    - **Telemetry** - Visitor tracking with IP geolocation and company enrichment

    - **Signals** - Social listening across 10+ platforms: GitHub, Reddit, HackerNews, LinkedIn, Twitter/X, Discord, ProductHunt, YouTube, G2, Slack, and government sources

    - **Target Graph** - Account and contact intelligence with engagement tracking

    - **RAG** - Retrieval-augmented content generation with brand awareness


    ### Authentication


    Most endpoints require a Bearer token from Clerk authentication.

    Public endpoints (telemetry ingestion, well-known files) are clearly marked.


    ### Rate Limits


    - Telemetry ingestion: 100 req/min per IP

    - API endpoints: 1000 req/min per org

    '
  version: 1.0.0
servers:
- url: https://voice-forge-production.up.railway.app
  description: Production
tags:
- name: Companies
paths:
  /api/companies:
    get:
      summary: List Companies
      description: Get all companies detected from GitHub signals
      operationId: list_companies_api_companies_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
      security:
      - HTTPBearer: []
      tags:
      - Companies
  /api/companies/{company_id}:
    get:
      summary: Get Company Details
      description: Get detailed information about a specific company
      operationId: get_company_details_api_companies__company_id__get
      security:
      - HTTPBearer: []
      parameters:
      - name: company_id
        in: path
        required: true
        schema:
          type: string
          title: Company Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      tags:
      - Companies
  /api/companies/analyze:
    post:
      summary: Analyze Github Signals For Companies
      description: Analyze GitHub signals to detect companies and tech stacks
      operationId: analyze_github_signals_for_companies_api_companies_analyze_post
      security:
      - HTTPBearer: []
      parameters:
      - name: force_refresh
        in: query
        required: false
        schema:
          type: boolean
          default: false
          title: Force Refresh
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      tags:
      - Companies
  /api/companies/tech-stack/summary:
    get:
      summary: Get Tech Stack Summary
      description: Get a summary of tech stacks across all companies
      operationId: get_tech_stack_summary_api_companies_tech_stack_summary_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
      security:
      - HTTPBearer: []
      tags:
      - Companies
  /api/companies/{company_id}/interests:
    get:
      summary: Get Company Interests
      description: Get detailed analysis of a company's interests based on starred repositories
      operationId: get_company_interests_api_companies__company_id__interests_get
      security:
      - HTTPBearer: []
      parameters:
      - name: company_id
        in: path
        required: true
        schema:
          type: string
          title: Company Id
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      tags:
      - Companies
  /api/companies/search:
    get:
      summary: Search Companies
      description: Search companies by name, tech stack, or other criteria
      operationId: search_companies_api_companies_search_get
      security:
      - HTTPBearer: []
      parameters:
      - name: query
        in: query
        required: true
        schema:
          type: string
          title: Query
      - name: tech_filter
        in: query
        required: false
        schema:
          anyOf:
          - type: string
          - type: 'null'
          title: Tech Filter
      - name: min_team_size
        in: query
        required: false
        schema:
          anyOf:
          - type: integer
          - type: 'null'
          title: Min Team Size
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      tags:
      - Companies
  /api/companies/health:
    get:
      summary: Companies Health Check
      description: Health check for company detection features
      operationId: companies_health_check_api_companies_health_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
      security:
      - HTTPBearer: []
      tags:
      - Companies
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
            - type: string
            - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
      - loc
      - msg
      - type
      title: ValidationError
  securitySchemes:
    HTTPBearer:
      type: http
      scheme: bearer