Harmonic.ai

name: Harmonic.ai
description: Startup discovery and intelligence platform built on a proprietary database of 30M+ companies and 200M+ people,
  offering real-time funding data, headcount/traction metrics, team composition, and investor relationships via REST, GraphQL,
  and a hosted MCP server. Used by venture capital, growth equity, corporate development, and go-to-market teams to find,
  research, and qualify startups programmatically or through the console web app, Chrome extension, bulk data exports (BigQuery/Snowflake/S3),
  and CRM integrations (Salesforce/HubSpot/Affinity).
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://cdn.prod.website-files.com/6107b1101d4d3e748743f234/65f31ad2b4ac6cf0cb8bd691_og-img.png
url: https://harmonic-ai.apievangelist.com/apis.yml
created: '2026-07-22'
modified: '2026-07-22'
specificationVersion: '0.21'
tags:
- startup-intelligence
- venture-capital
- company-data
- people-data
- investor-data
- funding-data
- data-enrichment
- sales-intelligence
- market-intelligence
- graphql
- mcp
- agent-native
apis:
- name: Harmonic REST & GraphQL API
  description: REST API for company search, enrichment, saved searches, list management, and bulk operations, plus a full
    GraphQL endpoint for flexible queries across companies, people, investors, lists, and custom fields. Auth via apikey header
    or OAuth 2.0 bearer tokens.
  humanURL: https://console.harmonic.ai/docs/api-reference/introduction
  baseURL: https://api.harmonic.ai/
  tags:
  - startup-intelligence
  - venture-capital
  - company-data
  - people-data
  - investor-data
  - funding-data
  - data-enrichment
  - sales-intelligence
  - market-intelligence
  - graphql
  - mcp
  - agent-native
  properties:
  - type: Documentation
    url: https://console.harmonic.ai/docs/api-reference/introduction
  - type: APIReference
    url: https://console.harmonic.ai/docs/api-reference/introduction
  - type: OpenAPI
    url: openapi/harmonic-ai-companies-api-openapi.yml
  - type: OpenAPI
    url: openapi/harmonic-ai-persons-api-openapi.yml
  - type: OpenAPI
    url: openapi/harmonic-ai-people-api-openapi.yml
  - type: OpenAPI
    url: openapi/harmonic-ai-saved-searches-api-openapi.yml
  - type: OpenAPI
    url: openapi/harmonic-ai-search-api-openapi.yml
  - type: OpenAPI
    url: openapi/harmonic-ai-enrichment-api-openapi.yml
  - type: OpenAPI
    url: openapi/harmonic-ai-email-enrichment-api-openapi.yml
  - type: OpenAPI
    url: openapi/harmonic-ai-attachments-api-openapi.yml
  - type: GraphQL
    url: https://api.harmonic.ai/graphql
  - type: Authentication
    url: authentication/harmonic-ai-authentication.yml
  - type: Conventions
    url: conventions/harmonic-ai-conventions.yml
  - type: Postman
    url: https://www.postman.com/harmonic-ai/harmonic/overview
  - type: DataModel
    url: data-model/harmonic-ai-data-model.yml
  - type: ErrorCatalog
    url: errors/harmonic-ai-problem-types.yml
  - type: Overlay
    url: overlays/harmonic-ai-security-overlay.yaml
- name: Harmonic MCP Server
  description: Hosted, agent-native MCP server exposing 40+ tools for enrichment, search, saved searches, lists, investors,
    network mapping, batch lookup, custom fields, and team. Listed in the Claude Connector store and ChatGPT Apps directory.
    Auth via OAuth 2.0 or API key.
  humanURL: https://support.harmonic.ai/en/articles/12785899-harmonic-mcp-server-getting-started-guide
  baseURL: https://mcp.api.harmonic.ai/
  tags:
  - startup-intelligence
  - mcp
  - agent-native
  - data-enrichment
  - company-data
  - people-data
  - investor-data
  properties:
  - type: MCPServer
    url: mcp/harmonic-ai-mcp.yml
  - type: ToolCrosswalk
    url: mcp/harmonic-ai-tool-crosswalk.yml
  - type: MCP
    url: https://mcp.api.harmonic.ai/
  - type: Documentation
    url: https://support.harmonic.ai/en/articles/12785899-harmonic-mcp-server-getting-started-guide
  - type: OAuthScopes
    url: scopes/harmonic-ai-scopes.yml
  - type: LLMSTxt
    url: https://cdn.prod.website-files.com/6107b1101d4d3e748743f234/69aeeb8f09c598b6aea54692_llms.txt
common:
- type: DeveloperPortal
  url: https://console.harmonic.ai/
- type: Documentation
  url: https://console.harmonic.ai/docs/api-reference/introduction
- type: APIReference
  url: https://console.harmonic.ai/docs/api-reference/introduction
- type: GettingStarted
  url: https://console.harmonic.ai/docs/getting-started
- type: Support
  url: https://support.harmonic.ai/
- type: Blog
  url: https://harmonic.ai/blog
- type: GitHubOrganization
  url: https://github.com/harmonic-ai
- type: Pricing
  url: https://harmonic.ai/pricing
- type: SignUp
  url: https://console.harmonic.ai/signup
- type: Login
  url: https://console.harmonic.ai/login
- type: TermsOfService
  url: https://harmonic.ai/legal/terms-of-service
- type: PrivacyPolicy
  url: https://harmonic.ai/legal/privacy-policy
- type: Postman
  url: https://www.postman.com/harmonic-ai/harmonic/overview
- type: StatusPage
  url: https://status.harmonic.ai
- type: ChangeLog
  url: https://console.harmonic.ai/docs/changelog
- type: MCPServer
  url: mcp/harmonic-ai-mcp.yml
- type: LLMsTxt
  url: llms/harmonic-ai-llms.txt
- type: WellKnown
  url: well-known/harmonic-ai-well-known.yml
- type: Authentication
  url: authentication/harmonic-ai-authentication.yml
- type: OAuthScopes
  url: scopes/harmonic-ai-scopes.yml
- type: Conventions
  url: conventions/harmonic-ai-conventions.yml
- type: Lifecycle
  url: lifecycle/harmonic-ai-lifecycle.yml
- type: Conformance
  url: conformance/harmonic-ai-conformance.yml
- type: DomainSecurity
  url: security/harmonic-ai-domain-security.yml
- type: AgentSkill
  url: skills/_index.yml
maintainers:
- FN: Harmonic.ai
  url: https://harmonic.ai/
generated:
  by: apis.io/add
  model: claude-opus-4-8
  confidence: 95
  at: '2026-07-22T16:00:02.185Z'