Developer hub·REST · WebSocket · MCP

Build with Bitcompare.
One API, every crypto rate.

Real-time interest rates across 100+ providers, coin metadata for 500+ assets, aggregated prices, market stats, and stablecoin stability. Available as REST, WebSocket streams, or MCP tools for Claude.

Read the docsGet an API key

Free tier available. WebSocket and bulk endpoints unlock at Growth ($149/mo); MCP and 5-year historical data unlock at Pro ($499/mo).

Quick start

Pick your integration path. Both work with the same ck_live_* API key from pro.bitcompare.net.

REST · curlPlain HTTP, no SDK required
curl -s https://api.bitcompare.net/api/v1/rates \
  -H "Authorization: Bearer ck_live_..." \
  -G \
  -d "symbol=btc" \
  -d "category=lending" \
  -d "limit=1"

# Response (truncated):
# [
#   {
#     "provider": "nexo",
#     "symbol": "btc",
#     "category": "lending",
#     "apy": 0.08,
#     "updatedAt": "2026-05-21T01:00:00Z"
#   }
# ]
MCP · Claude Desktopstdio transport via npx
// ~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "bitcompare": {
      "command": "npx",
      "args": ["-y", "@bitcompare/mcp-server"],
      "env": {
        "BITCOMPARE_API_KEY": "ck_live_..."
      }
    }
  }
}

// Then in Claude:
// > "What's the best yield on BTC right now?"
// Claude invokes the get_rates tool and answers from live data.

Everything in one place

Documentation, specs, MCP descriptors, and the dashboard — all linked from a single page.

Developer documentationStart hereREST endpoints, WebSocket streams, auth, rate limits, and plan tiers.OpenAPI 3.1 specificationMachine-readable spec covering all 18 endpoints. Use it with codegen, Postman, or any OpenAPI consumer.MCP server for ClaudePro plan18 tools, one API key. Plumbed straight into Claude Desktop, Claude Code, and Claude.ai.MCP descriptor/.well-known/mcp.json — canonical server entry with tools preview, auth model, and endpoints.Tool catalog (JSON)Live list of every MCP tool with input schema, output schema, and example input. Updated on every deploy.Agent manifest (llms.txt)Human + LLM-readable summary of the API, MCP, plans, and discovery surfaces. Crawler-friendly.npm package — @bitcompare/mcp-serverstdio MCP server published to npm. Drop into any MCP-compatible client without hosting infrastructure.Get an API keySign up via SSO, pick a plan, generate a ck_live_* key. Free tier available; paid tiers unlock bulk endpoints, WebSocket, and MCP.Pro dashboardManage API keys, view usage analytics, configure billing, set up overage alerts.