# Onthos

**Canonical:** https://apis.io/providers/onthos/  
**Website:** https://www.onthos.com/  
**APIs profiled:** 0

Onthos provides intelligence products and ontology infrastructure for financial markets. It builds a dynamic ontology layer that maps global companies, industry classifications, thematic factor models, and concept-to-universe frameworks. Their solutions enable clients such as asset managers, ETFs, investment banks, hedge funds, and wealth platforms to transform raw information into connected knowledge for applications and AI agents. Onthos also offers a platform for building custom ontologies and delivering market insights through APIs and data services.

## Kin Score — 11.6 / 100 (emerging)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 48.2 |
| Contract Quality | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 10.5 |
| Developer Ergonomics | 2.4 |
| Access Clarity | 21.1 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 19.6 (matched via fallback).

## Agent readiness — 3.1 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |

## Security (2)

- **Onthos Domain Security** — TLSv1.3 · HSTS · DMARC
- **Onthos Vulnerability Disclosure** — security.txt · contact published

## Tags

Company, Finance, Ontology, Data, Intelligence

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