# MarketAux

**Canonical:** https://apis.io/providers/marketaux/  
**Website:** https://www.marketaux.com/  
**APIs profiled:** 1

Marketaux is a global financial and stock market news API that pairs every article with entity recognition and sentiment analysis. It aggregates 5,000+ news sources in 30+ languages, tracking 200,000+ entities — equities, indices, ETFs, mutual funds, currencies, and cryptocurrencies — across 80+ markets. Beyond filtered news feeds, it provides entity statistics time series, aggregations, and trending-entity endpoints for identifying the best and worst performing entities in the news, with a free self-serve tier.

## Kin Score — 45.1 / 100 (developing)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (-0.8 from 45.9).

| Facet | Score |
|---|---|
| Discoverability | 75.9 |
| Contract Quality | 17.2 |
| Governance | 16.7 |
| Contract Governance | 16.7 |
| Operational Transparency | 31.6 |
| Developer Ergonomics | 47.0 |
| Commercial Clarity | 76.3 |
| Access Clarity | 76.3 |

Regulatory layer — **Securities & Market Data**: 51.7 (matched via tags).

## Agent readiness — 28.1 (agent-aware)

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

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (1)

- **MarketAux API** — Live stock market news with tagged tickers, per-entity sentiment and match scores, entity statistics and trending endpoints, delivered as a GET-only JSON API authenticated with ...

## MCP servers (1)

- **MarketAux MCP Server**

## Security (2)

- **Marketaux Authentication** — apiKey · 1 scheme
- **Marketaux Domain Security** — TLSv1.3 · DNSSEC

## Plans (1)

- **Marketaux Plans**

## Tags

News, Financial News, Stock Market, Sentiment Analysis, Market Data, Entity Recognition, Public APIs

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