Messari

About Messari

Messari API provides standardized cryptocurrency market data, on-chain metrics, and analytical insights covering more than 40,000 assets, exchanges, DeFi protocols, and networks. It offers RESTful JSON APIs and WebSocket streaming for price, volume, market cap, ROI, all-time high data, historical OHLCV data, token unlock calendars, risk metrics, and news/topic data with automatic asset linking. Data can be filtered by sector, category, or tag, and timeseries endpoints support visualization use cases.

The API is aimed at trading firms doing quantitative research and backtesting, asset managers handling portfolio valuation and risk analysis, compliance teams needing audit-ready data for regulatory reporting, and developers building crypto applications. Enterprise customers receive a 99.9% uptime SLA, SOC 2 Type II certification, dedicated account managers, priority support, and direct Slack access.

Access requires an API key sent via the `x-messari-api-key` header. The product includes documentation and code examples in Python, JavaScript, and cURL.

Key features

• Real-time and historical crypto market data across 40,000+ assets
• Portfolio valuation, token unlock calendars, and risk analytics
• AI-analyzed trending news topics auto-linked to relevant assets
• RESTful JSON APIs with WebSocket streaming support
• Multi-exchange historical OHLCV, volume, and liquidity metrics
• 99.9% uptime SLA with SOC 2 Type II certified infrastructure

Frequently asked questions