Quick Start

Get up and running with Ticker0 in under 60 seconds — MCP server, REST API, or CLI.

Get Your API Key

Sign up at ticker0.com/signup to get your free API key. No credit card required. Your free tier starts immediately with 1,000 requests/month.

Choose Your Access Method

Option 1: MCP Server

Add Ticker0 to your MCP client (Claude Desktop, Cursor, VS Code, etc.):

{
  "mcpServers": {
    "ticker0": {
      "command": "npx",
      "args": ["-y", "@ticker0/mcp"],
      "env": {
        "TICKER0_API_KEY": "tk0_live_your_key_here"
      }
    }
  }
}

Then ask your AI assistant:

"What's Apple's stock price today?"

Option 2: CLI

Install the CLI globally:

npm install -g @ticker0/cli

# Authenticate
ticker0 auth login

# Get a quote
ticker0 quote AAPL

# Search tickers
ticker0 search "bitcoin"

# Historical data
ticker0 history TSLA --period 7d

Option 3: REST API

Make a direct API call:

curl https://api.ticker0.com/v1/quote/AAPL \
  -H "Authorization: Bearer tk0_live_your_key_here"

Response:

{
  "symbol": "AAPL",
  "price": 198.52,
  "change": 1.24,
  "changePercent": 0.63,
  "volume": 52300000,
  "timestamp": "2026-04-10T16:00:00Z"
}

What's Next

Explore the full documentation for all available endpoints and features