Market API
Get high-level cryptocurrency market statistics including total market cap, volume, Bitcoin dominance, and active cryptocurrencies.
Overview​
The Market API provides aggregated data about the entire cryptocurrency ecosystem, sourced from multiple providers (CoinGecko, CoinPaprika, CoinCap). Use these endpoints to:
- Track market-wide trends — Total market cap and 24h volume
- Monitor Bitcoin dominance — BTC market cap as % of total
- See ecosystem growth — Number of active cryptocurrencies and markets
- Display market status — DeFi volume, ETH dominance, market cap changes
Use Cases​
| Use Case | Why Use This API |
|---|---|
| Portfolio Dashboards | Show total market context alongside user holdings |
| Market Analysis Tools | Compare individual assets against market-wide trends |
| News/Research Sites | Display real-time crypto market statistics |
| Trading Bots | Use market sentiment (BTC dominance) for strategy decisions |
Key Metrics Available​
- Total Market Cap — Sum of all cryptocurrency market caps (USD)
- 24h Volume — Total trading volume across all markets
- BTC Dominance — Bitcoin market cap as % of total crypto market
- ETH Dominance — Ethereum market cap as % of total crypto market
- Active Cryptocurrencies — Number of coins actively trading
- Active Markets — Number of trading pairs across exchanges
- DeFi Volume — 24h volume for DeFi tokens
Endpoints​
| Method | Path | Description |
|---|---|---|
GET | /api/market/global | Global Market Stats |
Quick Start​
# Example: Get global market statistics
curl -s "https://api.web3identity.com/api/market/global" | jq
# Response includes:
# - totalMarketCap: Total crypto market cap (USD)
# - totalVolume: 24h trading volume
# - btcDominance: Bitcoin's % of total market cap
# - ethDominance: Ethereum's % of total market cap
# - activeCoins: Number of active cryptocurrencies
# - activeMarkets: Number of trading pairs
Rate Limits​
- Anonymous: 100 calls/day
- SIWE Authenticated: 200 calls/day
- API Key: 250 calls/day
- x402 Payments: Unlimited ($0.01 per call)
See Rate Limits for details.
Related Endpoints​
- Price API — Individual token pricing data
- DeFi API — DeFi protocol statistics
- Utilities API — Fear & Greed Index, trending tokens