cmc-api-market
API reference for CoinMarketCap market-wide endpoints including global metrics, fear/greed, indices, trending topics, and charts. Use this skill whenever the user mentions market API, asks about fear/greed index, wants global metrics or BTC dominance data, needs k-line charts, or is working with market sentiment. This is the complete reference for CMC market-wide API questions. Trigger: "market API", "fear greed API", "global metrics API", "CMC charts API", "/cmc-api-market"
Install via CLI (Recommended)
clawhub install openclaw/skills/skills/bryan-cmc/cmc-api-marketCoinMarketCap Market API Skill
This skill covers market-wide cryptocurrency data including global metrics, sentiment indicators, market indices, community activity, news content, charting data, and utility endpoints.
Authentication
All requests require the X-CMC_PRO_API_KEY header.
curl -X GET "https://pro-api.coinmarketcap.com/v1/global-metrics/quotes/latest" \
-H "X-CMC_PRO_API_KEY: your-api-key"
Get your API key at: https://pro.coinmarketcap.com/login
Base URL
https://pro-api.coinmarketcap.com
Common Use Cases
See use-cases.md for goal-based guidance on which endpoint to use:
- Get current market sentiment (Fear & Greed)
- Get total crypto market cap
- Get BTC dominance
- Track market cap history
- Track Fear & Greed history
- Get CMC100 index performance
- Compare CMC100 vs CMC20
- Get OHLCV candlestick data for charts
- Get simple price time series
- Get community trending tokens
- Get trending discussion topics
- Get latest crypto news
- Convert currency amounts
- Check API usage and limits
- Get fiat currency IDs
API Overview
Global Metrics
| Endpoint | Description | Reference |
|---|---|---|
| GET /v1/global-metrics/quotes/historical | Historical global market metrics | global-metrics.md |
| GET /v1/global-metrics/quotes/latest | Latest total market cap, BTC dominance | global-metrics.md |
Fear and Greed Index
| Endpoint | Description | Reference |
|---|---|---|
| GET /v3/fear-and-greed/historical | Historical fear/greed values | fear-greed.md |
| GET /v3/fear-and-greed/latest | Current market sentiment score | fear-greed.md |
Market Indices
| Endpoint | Description | Reference |
|---|---|---|
| GET /v3/index/cmc100-historical | CMC100 index history | indices.md |
| GET /v3/index/cmc100-latest | CMC100 current value | indices.md |
| GET /v3/index/cmc20-historical | CMC20 index history | indices.md |
| GET /v3/index/cmc20-latest | CMC20 current value | indices.md |
Community
| Endpoint | Description | Reference |
|---|---|---|
| GET /v1/community/trending/token | Trending tokens by community activity | community.md |
| GET /v1/community/trending/topic | Trending discussion topics | community.md |
Content
Metadata
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Find the right skillPaste this into your clawhub.json to enable this plugin.
{
"plugins": {
"official-bryan-cmc-cmc-api-market": {
"enabled": true,
"auto_update": true
}
}
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