Messari

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.

Messari publishes 11 APIs on the APIs.io network, including AI API, Assets API, Datasets API, and 8 more. Tagged areas include Web3, Crypto, Research, Analytics, and Asset Data.

Messari’s developer surface includes authentication, developer portal, documentation, pricing, GitHub presence, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub
40.4/100 thin ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
12 APIs
Web3CryptoResearchAnalyticsAsset DataFundamentalsNewsToken Unlocks

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 40.4/100 · thin
Contract Quality 12.5 / 25
Developer Ergonomics 5.7 / 20
Commercial Clarity 10.0 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 31/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 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/messari: 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 12

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

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.

Scroll for all 12

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Messari API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Messari Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Messari Rate Limits

4 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Messari Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Messari Authentication

apiKey · 1 scheme

SECURITY

Messari Domain Security

TLSv1.3 · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Messari Agentic Access

42 operations · 6 acting

42 operations · 6 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Portal
Portal

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub
GitHub

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 Plans
Plans
 FinOps
FinOps

Company 1

The organization behind the API

LinkedIn
LinkedIn

Source (apis.yml)

apis.yml Raw ↑ 
aid: messari
url: https://raw.githubusercontent.com/api-evangelist/messari/refs/heads/main/apis.yml
name: Messari
kind: company
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/messari.png
tags:
- Web3
- Crypto
- Research
- Analytics
- Asset Data
- Fundamentals
- News
- Token Unlocks
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
description: 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.
apis:
- aid: messari:rest-api
  name: Messari REST API
  tags:
  - Crypto
  - Asset Data
  - Market Data
  - News
  - Fundamentals
  - Token Unlocks
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://data.messari.io/api
  humanURL: https://messari.io/api/docs
  description: Comprehensive REST API exposing /v1, /v2 endpoints for asset metrics (price, market cap, ROI, mining stats,
    supply, developer activity, ROI), markets, news, Token Unlocks, screener, and curated intel. Higher-tier plans unlock
    proprietary research datasets.
  properties:
  - type: Documentation
    url: https://messari.io/api/docs
  - type: Pricing
    url: https://messari.io/pricing
  x-features:
  - Asset metrics across 1,500+ assets
  - News and intel feed
  - Token Unlocks dataset
  - Treasuries and governance
  - Messari Copilot AI agent (higher tiers)
  x-use-cases:
  - Power crypto research dashboards
  - Token-unlock alerting and risk
  - Curated news ingestion
- aid: messari:messari-ai-api
  name: Messari AI API
  description: The AI API from Messari — 4 operation(s) for ai.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - AI
  properties:
  - type: OpenAPI
    url: openapi/messari-ai-api-openapi.yml
- aid: messari:messari-assets-api
  name: Messari Assets API
  description: The Assets API from Messari — 7 operation(s) for assets.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - Assets
  properties:
  - type: OpenAPI
    url: openapi/messari-assets-api-openapi.yml
- aid: messari:messari-datasets-api
  name: Messari Datasets API
  description: The Datasets API from Messari — 2 operation(s) for datasets.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - Datasets
  properties:
  - type: OpenAPI
    url: openapi/messari-datasets-api-openapi.yml
- aid: messari:messari-exchanges-api
  name: Messari Exchanges API
  description: The Exchanges API from Messari — 2 operation(s) for exchanges.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - Exchanges
  properties:
  - type: OpenAPI
    url: openapi/messari-exchanges-api-openapi.yml
- aid: messari:messari-markets-api
  name: Messari Markets API
  description: The Markets API from Messari — 4 operation(s) for markets.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - Markets
  properties:
  - type: OpenAPI
    url: openapi/messari-markets-api-openapi.yml
- aid: messari:messari-monitoring-api
  name: Messari Monitoring API
  description: The Monitoring API from Messari — 3 operation(s) for monitoring.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - Monitoring
  properties:
  - type: OpenAPI
    url: openapi/messari-monitoring-api-openapi.yml
- aid: messari:messari-networks-api
  name: Messari Networks API
  description: The Networks API from Messari — 3 operation(s) for networks.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - Networks
  properties:
  - type: OpenAPI
    url: openapi/messari-networks-api-openapi.yml
- aid: messari:messari-news-api
  name: Messari News API
  description: The News API from Messari — 5 operation(s) for news.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - News
  properties:
  - type: OpenAPI
    url: openapi/messari-news-api-openapi.yml
- aid: messari:messari-protocols-api
  name: Messari Protocols API
  description: The Protocols API from Messari — 5 operation(s) for protocols.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - Protocols
  properties:
  - type: OpenAPI
    url: openapi/messari-protocols-api-openapi.yml
- aid: messari:messari-research-api
  name: Messari Research API
  description: The Research API from Messari — 3 operation(s) for research.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - Research
  properties:
  - type: OpenAPI
    url: openapi/messari-research-api-openapi.yml
- aid: messari:messari-token-unlocks-api
  name: Messari Token Unlocks API
  description: The Token Unlocks API from Messari — 2 operation(s) for token unlocks.
  humanURL: https://messari.io/api/docs
  baseURL: https://data.messari.io/api
  tags:
  - Token Unlocks
  properties:
  - type: OpenAPI
    url: openapi/messari-token-unlocks-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/messari-agentic-access.yml
- type: DomainSecurity
  url: security/messari-domain-security.yml
- type: Authentication
  url: authentication/messari-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/messari
- type: Portal
  url: https://messari.io/
- type: Documentation
  url: https://messari.io/api/docs
- type: Pricing
  url: https://messari.io/pricing
- type: GitHub
  url: https://github.com/messari
- type: Plans
  url: plans/messari-plans-pricing.yml
- type: RateLimits
  url: rate-limits/messari-rate-limits.yml
- type: FinOps
  url: finops/messari-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com