Developers
MarktBit exposes live crypto and stock market data to AI agents and applications. Two access paths, no API key required for read-only market data:
MCP — Model Context Protocol
Streamable HTTP transport (JSON-RPC 2.0, JSON responses). Point any MCP-compatible client — Claude, GPT, IDE assistants — at:
https://marktbit.devproflow.com/api/mcp
Methods: initialize, ping, tools/list, tools/call. Machine-readable agent docs are also at /llms.txt.
Tools
marktbit_global_marketTotal market cap, 24h volume, BTC/ETH dominancemarktbit_fear_greedFear & Greed index value + classificationmarktbit_trending_coinsCurrently trending crypto assetsmarktbit_crypto_listingsListings with price/volume — page, per_page, category, searchmarktbit_crypto_newsLatest crypto headlines + sentiment labelsmarktbit_defi_tvlDeFi total value locked overviewmarktbit_stock_listingsIDX saham + global stock listingsmarktbit_agentic_chartAI chart analysis — S/R levels, pivot structure, trend, RSI(14) — pair, daysmarktbit_crypto_searchFuzzy coin search by name/symbol — qmarktbit_technical_indicatorsRSI(14), MACD + signal labels — coinmarktbit_onchain_metricsBTC/ETH on-chain activity snapshotmarktbit_macro_eventsUpcoming macro events that move marketsmarktbit_exchangesExchange rankings — volume, score, sharemarktbit_sentimentAggregated crypto social sentimentmarktbit_altcoin_seasonAltcoin season index vs BTCmarktbit_whale_transactionsRecent large on-chain whale transfersmarktbit_market_indexMarket composites, top gainers/losersmarktbit_tokenomicsSupply, unlock, inflation, vesting — coinmarktbit_derivativesPerp funding rate, open interest, volume per contract — symbol?, limit?marktbit_prediction_marketsPolymarket top markets — outcome prices, liquidity, end dates — limit?
Example
curl -X POST https://marktbit.devproflow.com/api/mcp \
-H 'Content-Type: application/json' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call",
"params":{"name":"marktbit_fear_greed","arguments":{}}}'REST API (same data)
GET /api/crypto/globalGET /api/crypto/fear-greedGET /api/crypto/trendingGET /api/crypto/listingsGET /api/crypto/newsGET /api/crypto/defi-tvlGET /api/stocks/listingsGET /api/crypto/agentic-chart?pair=BTC&days=7
Notes
- Data is informational — not financial advice.
- Responses are cached (~60s freshness). Be polite with request rates.
- Premium surfaces (signals feed, backtests) require a MarktBit account.