# The Companies API

**Canonical:** https://apis.io/providers/thecompaniesapi/  
**Website:** https://www.thecompaniesapi.com  
**APIs profiled:** 12

The Companies API is a company data and enrichment platform offering programmatic access to firmographic, technographic, and web-intelligence data on 50M+ companies. Its REST API (base https://api.thecompaniesapi.com, all resources under /v2) covers company search and segmentation, company enrichment by domain, email, or social profile, similar-company lookup, industry and technology reference data, location reference data, saved lists, and asynchronous bulk actions. Requests are authenticated with an API token passed in the Authorization header, billing is credit-based, and the full OpenAPI 3.1 description is published at /v2/openapi.

## Kin Score — 67.4 / 100 (exemplar)

Scored 2026-08-17 under rubric 0.11.0. Trend: rising (+28.9 from 38.5).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 66.7 |
| Governance | 20.8 |
| Operational Transparency | 81.6 |
| Developer Ergonomics | 63.0 |
| Commercial Clarity | 84.2 |

## Agent readiness — 44.1 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | yes |
| Agent Skills | yes |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Open access — onboarding: open, pricing: freemium, trial: no (confidence: high).

## APIs (12)

- **The Companies API actions API** — The actions API from The Companies API — 2 operation(s) for actions.
- **The Companies API analytics API** — The analytics API from The Companies API — 2 operation(s) for analytics.
- **The Companies API companies API** — The companies API from The Companies API — 13 operation(s) for companies.
- **The Companies API industries API** — The industries API from The Companies API — 2 operation(s) for industries.
- **The Companies API job-titles API** — The job-titles API from The Companies API — 1 operation(s) for job-titles.
- **The Companies API lists API** — The lists API from The Companies API — 5 operation(s) for lists.
- **The Companies API locations API** — The locations API from The Companies API — 5 operation(s) for locations.
- **The Companies API prompts API** — The prompts API from The Companies API — 4 operation(s) for prompts.
- **The Companies API teams API** — The teams API from The Companies API — 1 operation(s) for teams.
- **The Companies API technologies API** — The technologies API from The Companies API — 1 operation(s) for technologies.
- **The Companies API users API** — The users API from The Companies API — 1 operation(s) for users.
- **The Companies API utilities API** — The utilities API from The Companies API — 2 operation(s) for utilities.

## Agentic access (1)

- **Thecompaniesapi Agentic Access** — 44 operations · 15 acting

## Security (2)

- **Thecompaniesapi Authentication** — apiKey · 1 scheme
- **Thecompaniesapi Domain Security** — TLSv1.3 · DMARC

## Plans (1)

- **Thecompaniesapi Plans Pricing**

## Tags

Company Data, Data Enrichment, Firmographics, Web Intelligence, B2B Data, Reference Data, Company Search

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/thecompaniesapi/). Scores are computed from the provider's own public artifacts under a published rubric.