Golden

Golden is a company-data and knowledge-graph platform that builds a continuously updated, citation-backed map of companies, technologies, people, and the relationships between them. The Golden Public API v2 gives developers programmatic, read access to that knowledge graph: retrieve entities and their properties, resolve the schema of entity types and predicates, and run natural-language Queries that return curated, source-cited lists of entities (for example, "companies in the artificial intelligence industry"). Authentication is via an API key passed in the `apikey` header, responses are cursor-paginated, and the API is documented with an OpenAPI 3.1 specification. Golden is backed by a16z and DCVC.

Golden publishes 3 APIs on the APIs.io network: Entity API API, Query API API, and Schema API API. Tagged areas include Company, Knowledge Graph, Company Data, Data, and Entities.

Golden’s developer surface includes documentation, API reference, getting-started guide, support, engineering blog, pricing, signup flow, and 15 more developer resources.

🌐 Visit website 📡 Source on GitHub

45.9/100 developing ▬ flat Agent 48/100 agent ready Full breakdown ↓
scored 2026-08-10 · rubric v0.9.1

AccessSelf serve

3 APIs 1 MCP Servers

CompanyKnowledge GraphCompany DataDataEntitiesArtificial IntelligenceSearchBusiness Intelligence

Kin Score

Kin Score How this is scored →
scored 2026-08-10 · rubric v0.9.1

Composite quality — 45.9/100 · developing

Contract Quality 15.1 / 25

Developer Ergonomics 11.2 / 20

Commercial Clarity 8.9 / 20

Operational Transparency 0.0 / 13

Governance 1.4 / 12

Discoverability 9.3 / 10

Agent readiness — 48/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 8 / 8

Request/Response Examples 7 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/golden: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

MCPServer

LLMsTxt

AgentSkill

WellKnown

AgenticAccess

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

ErrorCatalog

Conventions

DataModel

Lifecycle

Conformance

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 1

The organization behind the API

Blog

Blog

Source (apis.yml)

aid: golden
name: Golden
description: 'Golden is a company-data and knowledge-graph platform that builds a continuously updated, citation-backed map
  of companies, technologies, people, and the relationships between them. The Golden Public API v2 gives developers programmatic,
  read access to that knowledge graph: retrieve entities and their properties, resolve the schema of entity types and predicates,
  and run natural-language Queries that return curated, source-cited lists of entities (for example, "companies in the artificial
  intelligence industry"). Authentication is via an API key passed in the `apikey` header, responses are cursor-paginated,
  and the API is documented with an OpenAPI 3.1 specification. Golden is backed by a16z and DCVC.'
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://golden.com/static/images/38d57130206f78fb48c9.png
url: https://raw.githubusercontent.com/api-evangelist/golden/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- a16z
- dcvc
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Knowledge Graph
- Company Data
- Data
- Entities
- Artificial Intelligence
- Search
- Business Intelligence
apis:
- aid: golden:golden-entity-api-api
  name: Golden Entity API API
  description: The Entity API API from Golden — 2 operation(s) for entity api.
  humanURL: https://docs.golden.com
  baseURL: https://golden.com/api/v2/public
  tags:
  - Entity API
  properties:
  - type: OpenAPI
    url: openapi/golden-entity-api-api-openapi.yml
- aid: golden:golden-query-api-api
  name: Golden Query API API
  description: The Query API API from Golden — 2 operation(s) for query api.
  humanURL: https://docs.golden.com
  baseURL: https://golden.com/api/v2/public
  tags:
  - Query API
  properties:
  - type: OpenAPI
    url: openapi/golden-query-api-api-openapi.yml
- aid: golden:golden-schema-api-api
  name: Golden Schema API API
  description: The Schema API API from Golden — 4 operation(s) for schema api.
  humanURL: https://docs.golden.com
  baseURL: https://golden.com/api/v2/public
  tags:
  - Schema API
  properties:
  - type: OpenAPI
    url: openapi/golden-schema-api-api-openapi.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DeveloperPortal
  url: https://docs.golden.com
- type: Documentation
  url: https://docs.golden.com
- type: APIReference
  url: https://docs.golden.com
- type: GettingStarted
  url: https://goldenhq.notion.site/goldenhq/Golden-Guide-1eef7518f3ca43da8d6ee4d54307801b
- type: Support
  url: https://golden.com/contact
- type: Blog
  url: https://golden.com/blog
- type: Pricing
  url: https://golden.com/pricing
- type: SignUp
  url: https://golden.com/login
- type: TermsOfService
  url: https://golden.com/about/terms-of-service
- type: PrivacyPolicy
  url: https://golden.com/about/privacy-policy
- type: Authentication
  url: authentication/golden-authentication.yml
- type: ErrorCatalog
  url: errors/golden-problem-types.yml
- type: Conventions
  url: conventions/golden-conventions.yml
- type: DataModel
  url: data-model/golden-data-model.yml
- type: Lifecycle
  url: lifecycle/golden-lifecycle.yml
- type: Conformance
  url: conformance/golden-conformance.yml
- type: MCPServer
  url: mcp/golden-mcp.yml
- type: LLMsTxt
  url: llms/golden-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: WellKnown
  url: well-known/golden-well-known.yml
- type: AgenticAccess
  url: agentic-access/golden-agentic-access.yml
- type: DomainSecurity
  url: security/golden-domain-security.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Golden

Kin Score

APIs 3

Golden Entity API API

Golden Query API API

Golden Schema API API

MCP Servers 1

golden-mcp.yml

Security Posture 2

Golden Authentication

Golden Domain Security

Agentic Access 1

Golden Agentic Access