Real-time crypto market intelligence via Messari's REST API — AI-powered analysis,
on-chain metrics, sentiment, news, and institutional-grade research without building data pipelines.
Base URL: https://api.messari.io
Authentication: Include your API key in every request:
x-messari-api-key: <YOUR_API_KEY>
All endpoints accept and return JSON. Use Content-Type: application/json for POST requests.
| Service | Base Path | Use When |
|---|---|---|
| --- | --- | --- |
| AI | /ai/ | General crypto questions, synthesis across data sources |
| Signal | /signal/v1/ | Sentiment, mindshare, trending narratives |
| Metrics | /metrics/v2/ | Price, volume, market cap, fundamentals |
| News | /news/v1/ | Real-time crypto news, breaking events |
| Research | /research/v1/ | Institutional reports, protocol deep dives |
| Stablecoins | /stablecoins/v2/ | Stablecoin supply, per-chain breakdowns |
| Exchanges | /exchanges/v2/ | Exchange volume, metrics, timeseries |
| Networks | /networks/v2/ | L1/L2 network metrics, timeseries |
| Protocols | /protocols/v2/ | DeFi protocol metrics (DEX, lending, staking) |
| Token Unlocks | /token-unlocks/v1/ | Vesting schedules, unlock events |
| Fundraising | /fundraising/v1/ | Funding rounds, investors, M&A |
| Intel | /intel/v1/ | Governance events, protocol updates |
| Topics | /topics/v1/ | Trending topic classes, daily timeseries |
| X-Users | /signal/v1/x-users/ | Crypto X/Twitter user metrics |
For detailed endpoint documentation, see references/api_services.md.
curl -X POST "https://api.messari.io/ai/v1/chat/completions" \
-H "x-messari-api-key: $MESSARI_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"messages": [
{"role": "user", "content": "What is the bull case for ETH right now?"}
]
}'
curl "https://api.messari.io/metrics/v2/assets?assetSlugs=bitcoin,ethereum" \
-H "x-messari-api-key: $MESSARI_API_KEY"
curl "https://api.messari.io/signal/v1/assets/gainers-losers?type=mindshare&limit=10" \
-H "x-messari-api-key: $MESSARI_API_KEY"
curl "https://api.messari.io/news/v1/news/feed?limit=20" \
-H "x-messari-api-key: $MESSARI_API_KEY"
Route through AI first — broadest context, synthesizes across market data, research, news, social.
Use Metrics for price/volume/fundamentals. Exchanges for exchange-level data. Networks for L1/L2 metrics. Protocols for DeFi-specific data.
Signal for mindshare and sentiment. Topics for trending narrative classes. X-Users for influencer-level metrics.
Stablecoins for stablecoin supply and flows. Token Unlocks for vesting schedules and upcoming unlocks.
Research for deep dives and reports. News for real-time events. Intel for governance and protocol updates. Fundraising for funding rounds and M&A.
Combine services for richer answers. Example — "Is SOL overvalued?":
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