Messari API

messari.io

Provides API endpoints for accessing crypto asset market data, on-chain metrics, exchanges, funding, news, research, and AI-powered crypto research across thousands of crypto assets.

The Messari API API uses api key authentication; has freemium pricing; offers a free tier (Default access to Assets & Market Data and Exchanges endpoints; Copilot unpaid tier 10 requests per day); rate limits: Copilot: Unpaid 10 per day, Enterprise 600 per minute; 429 error when exceeded. Verified 2026-07-08 with per-field source links.

Crypto & Blockchain Verified 2026-07-08 high confidence

Base URL

https://api.messari.io

docs.messari.io ↗

Auth

api_key

docs.messari.io ↗

Free tier

Default access to Assets & Market Data and Exchanges endpoints; Copilot unpaid tier 10 requests per day

docs.messari.io ↗

Pricing model

freemium

docs.messari.io ↗

Pricing

Tiered by subscription level; additional endpoints (Fundraising, Intel, News, etc.) require contacting sales@messari.io; AI services consume credits (consumption-based system via api@messari.io); x402 micropayments (USDC on Base Mainnet) available pay-per-request for Copilot

docs.messari.io ↗

Rate limits

Copilot: Unpaid 10 per day, Enterprise 600 per minute; 429 error when exceeded

docs.messari.io ↗

OpenAPI spec

not documented null

no source

MCP server

not documented null

no source