# Messari

**Canonical:** https://apis.io/providers/messari/  
**Website:** https://messari.io/  
**APIs profiled:** 12

Messari provides crypto research, analytics, fundamentals, intelligence, and asset profiles through a REST API at data.messari.io. Endpoints cover assets metrics, market data, news, Token Unlocks, screener, governance, treasuries, and AI-powered Messari Copilot. Authentication is via the x-messari-api-key header.

## Kin Score — 30.8 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 30.8).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 49.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 26.2 |
| Commercial Clarity | 21.1 |
| Access Clarity | 21.1 |

## Agent readiness — 29.1 (agent-aware)

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

## Access

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

## APIs (12)

- **Messari REST API** — Comprehensive REST API exposing /v1, /v2 endpoints for asset metrics (price, market cap, ROI, mining stats, supply, developer activity, ROI), markets, news, Token Unlocks, scree...
- **Messari AI API** — The AI API from Messari — 4 operation(s) for ai.
- **Messari Assets API** — The Assets API from Messari — 7 operation(s) for assets.
- **Messari Datasets API** — The Datasets API from Messari — 2 operation(s) for datasets.
- **Messari Exchanges API** — The Exchanges API from Messari — 2 operation(s) for exchanges.
- **Messari Markets API** — The Markets API from Messari — 4 operation(s) for markets.
- **Messari Monitoring API** — The Monitoring API from Messari — 3 operation(s) for monitoring.
- **Messari Networks API** — The Networks API from Messari — 3 operation(s) for networks.
- **Messari News API** — The News API from Messari — 5 operation(s) for news.
- **Messari Protocols API** — The Protocols API from Messari — 5 operation(s) for protocols.
- **Messari Research API** — The Research API from Messari — 3 operation(s) for research.
- **Messari Token Unlocks API** — The Token Unlocks API from Messari — 2 operation(s) for token unlocks.

## Agentic access (1)

- **Messari Agentic Access** — 42 operations · 6 acting

## Security (2)

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

## Plans (1)

- **Messari Plans Pricing**

## Tags

Web3, Crypto, Research, Analytics, Asset Data, Fundamentals, News, Token Unlocks

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