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Indexes API

Welcome to the CoinAPI FAQ. We've grouped the most common customer questions by product to help you find quick, clear answers.

Tips for Navigating This FAQ​

  • Use CTRL+F to search for terms like "order book", "Flat Files", or "credits".
  • Bookmark docs.coinapi.io for full technical documentation.

Frequently Asked Questions​

1. What is the Indexes API?​

The Indexes API is a CoinAPI product built for developers, traders, and institutional investors who need access to crypto index data at scale.

Key features include:

  • Coverage of 7,700+ crypto indices and 2,200+ individual assets
  • Real-time and historical index values
  • REST and WebSocket protocol support for flexible integration
  • Ultra-low-latency updates for high-frequency strategies
  • Built-in support for compliance, transparency, and data governance

Use the Indexes API to track market sentiment, create benchmarks, or build custom index-based products with trusted data.

2. Which Indexes API plan is right for me?​

Choosing the right Indexes API plan depends on your usage volume, integration needs, and business goals.

Here’s a breakdown:

  1. Pay-As-You-Go Plan
  • Ideal for individual developers, early-stage startups, or testing
  • Includes $25 in free monthly credits
  • Best for evaluating CoinAPI's infrastructure before scaling up
  1. Business Plan – $599/month
  • Up to 100,000 API calls per day
  • 16 GB/day data transfer included
  • Designed for data-driven companies, dashboards, or analytics platforms needing consistent performance
  1. Enterprise Plan
  • Fully customizable with dedicated infrastructure
  • Custom SLAs, premium support (e.g. Slack channel), and integration assistance
  • Perfect for hedge funds, exchanges, or institutions requiring high-volume access and mission-critical reliability

To compare all plans in detail, visit the Indexes API Pricing Page or contact our Sales Team for tailored recommendations.

3. Do CoinAPI’s indexes cover the broad crypto market? What assets are included, and how are they weighted?​

Yes, CoinAPI’s Indexes API is designed to offer comprehensive and representative coverage of the crypto market.

Asset Coverage:

  • Includes large-cap cryptocurrencies, altcoins, and sector-specific segments (e.g., DeFi, Layer 1s, stablecoins)
  • Covers over 2,200 assets and 7,700+ indices across multiple strategies and classifications

Weighting and Methodology:

Indexes are constructed using strict, transparent methodologies that define:

  • Eligibility Criteria: Based on asset liquidity, trading volume, exchange reliability, and market activity
  • Weighting Schemes:
    • Market-cap weighted
    • Liquidity weighted
    • Equal weighted (for specific sector or thematic indexes)

CoinAPI regularly rebalances its indices and makes methodology documents publicly available to ensure consistency and transparency.