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Token Metrics API

Best Crypto API: Power Your Apps with Data, Signals, and AI

Compare the best crypto APIs for 2024. Token Metrics combines real-time prices, AI trading signals, and on-chain analytics vs CoinGecko, Glassnode, and CryptoCompare. Free tier available for developers.
Sam Monac
6 min
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What Makes a Crypto API the “Best”?

The best cryptocurrency API isn’t just about raw data. It’s about empowering your application to perform faster, smarter, and more reliably. A truly great crypto API balances:

  • Depth of Coverage – Spot, DeFi tokens, and on-chain metrics.

  • Speed – Real-time, low-latency updates that can handle market volatility.

  • Intelligence – Analytics and AI-driven signals that go beyond price feeds.

  • Scalability – Infrastructure that grows with your user base.

  • Reliability – High uptime and SLA-backed performance guarantees.

Whether you’re building a high-frequency crypto trading bot, a DeFi portfolio tracker, or a research platform, choosing the right API means aligning features with your mission.

Key Features to Look for in a Crypto API

Before selecting a crypto API, evaluate these criteria:

  • Real-Time & Historical Data – Do you get both sub-second updates and multi-year backtesting datasets?

  • On-Chain Analytics – Can you track wallet behavior, liquidity shifts, or whale flows?

  • AI-Powered Insights – Does the API offer predictive signals, ratings, or trend forecasts?

  • Ease of Integration – Look for clean docs, SDKs, and community examples.

  • Reliability & Uptime – Providers should publish incident histories and SLA commitments.

  • Pricing & Scalability – Free tiers for testing, plus paid plans that make sense as you scale.

  • Compliance & Security – Encrypted endpoints and strong authentication are a must.

📌 Tip for builders: Always start with multiple free crypto APIs and benchmark them in your stack before committing long term.

Comparing Leading Crypto APIs: Strengths & Weaknesses

  • CoinGecko & CoinMarketCap


    • Strengths: Huge token coverage, easy for price tickers and charts.

    • Weaknesses: Limited historical and on-chain analytics, slower refresh rates.

  • CryptoCompare


    • Strengths: Deep historical trade data, useful for backtesting.

    • Weaknesses: Less emphasis on predictive insights or AI.

  • Glassnode


    • Strengths: Advanced on-chain metrics (network health, wallet flows).

    • Weaknesses: Best for researchers, less suited to trading bots or dashboards.

  • Alchemy & Infura


    • Strengths: Node-level blockchain access, ideal for dApps and DeFi projects.

    • Weaknesses: Provide raw blockchain data, not trading analytics.

  • Token Metrics API


    • Strengths: Combines real-time prices, AI trading signals, ratings, portfolio analytics, and on-chain intelligence in one API.

    • Weaknesses: Free tier has rate limits (scalable through paid plans).

Why Token Metrics API Stands Out

Most crypto APIs specialize in one dimension (prices, exchange data, or on-chain metrics). Token Metrics unifies them all and adds AI intelligence on top.

  • Comprehensive Coverage – Prices, historical datasets, indices, grades, and on-chain data.

  • AI Trading Signals – Unique bull/bear calls and predictive analytics unavailable in traditional APIs.

  • Portfolio Intelligence – Ratings and indices that give context to raw numbers.

  • Enterprise-Ready – Encrypted endpoints, authentication, and scalable infrastructure.

  • Developer Friendly – Clear docs, quick-start guides, and responsive support.

📌 Put simply: most crypto APIs give you data. Token Metrics gives you data + intelligence.

Use Cases: From AI Crypto Trading Bots to Research Dashboards

  • AI Trading Bots – Execute strategies using both real-time prices and predictive signals.

  • DeFi Dashboards – Aggregate wallet flows, liquidity data, and token ratings.

  • Crypto Research Tools – Combine historical OHLC data with Token Metrics grades.

  • AI Agents – Power AI apps with actionable signals, not just raw feeds.

  • Enterprise Analytics – Build institutional dashboards with indices and compliance-ready datasets.

Best Practices for Implementing a Crypto API

  1. Prototype Across Providers – Test CoinGecko, Token Metrics, and others in parallel.

  2. Abstract Your Integration – Use a middleware layer to make switching APIs easier.

  3. Secure Your Keys – Store credentials safely and rotate them regularly.

  4. Plan for Scale – Rate limits hit fast; design for bursts in traffic.

  5. Leverage AI-Enhanced APIs – This is where user expectations are heading.

📌 For production apps: always monitor crypto API latency and uptime with tools like Datadog or Grafana.

Beyond Token Metrics: Other Useful Resources

While Token Metrics API offers an all-in-one solution, developers can also explore other resources for specialized needs:

  • Dune Analytics – Great for custom SQL-based blockchain queries.

  • DefiLlama API – Free API focused on DeFi protocol yields and TVL.

  • Santiment API – Alternative on-chain and sentiment analytics.

  • TradingView – Charting and integration options for front-end visualizations.

📌 Strategy tip: many developers combine multiple APIs—Token Metrics for signals + CoinGecko for breadth + DefiLlama for yields—to cover all angles.

Frequently Asked Questions About Crypto APIs

Which crypto API is best overall?
If you want real-time data plus AI-powered insights, crypto api is used. Token Metrics Api is the strongest all-in-one option. For niche use cases, CoinGecko is good for prices, Glassnode for on-chain analytics.

Is Token Metrics API free?
Yes, the free tier is perfect for prototyping. Paid plans unlock faster throughput, more history, and advanced endpoints.

How is Token Metrics different from CoinGecko?
CoinGecko tracks prices broadly. Token Metrics layers AI signals, indices, and predictive analytics for trading and research.

Can I build a trading bot with Token Metrics API?
Yes—many developers use the low-latency price feeds and predictive signals to power automated strategies.

Scaling With Paid Plans and X.402

As your project grows, Token Metrics offers flexible upgrade paths:

  • Pay-Per-Call (X.402) – As low as $0.017 per call, no commitment. Unlimited calls, all endpoints, and 3 months of historical data.

  • Advanced Plan ($999.99/year) – 20,000 calls/month, access to indices & indicators, 3 WebSockets.

  • Premium Plan ($1,999.99/year) – 100,000 calls/month, all endpoints including AI Agent & Reports, 3 years of historical data, and 6 WebSockets.

With up to 35% discounts when paying in TMAI tokens, scaling is cost-efficient.

📌 Why X.402 matters: Instead of locking into an annual plan, you can scale gradually with pay-per-call pricing—perfect for startups and experimental apps.

Build Smarter, Scale Easier

The best crypto API doesn’t just serve data—it helps your app think, act, and adapt. With Token Metrics, you start free, learn fast, and scale seamlessly. Combine it with other specialized APIs when needed, and you’ll have a development stack that’s both powerful and future-proof.

👉 Grab Your Free Token Metrics API Key and Start Building

‍

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About Token Metrics
Token Metrics: AI-powered crypto research and ratings platform. We help investors make smarter decisions with unbiased Token Metrics Ratings, on-chain analytics, and editor-curated “Top 10” guides. Our platform distills thousands of data points into clear scores, trends, and alerts you can act on.
30 Employees
analysts, data scientists, and crypto engineers
Daily Briefings
concise market insights and “Top Picks”
Transparent & Compliant
Sponsored ≠ Ratings; research remains independent
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Token Metrics Team
Token Metrics Team

Recent Posts

Research

Fundamental Grade Crypto API: Invest with Conviction Using Real Project Signals

Token Metrics Team
4

Most traders chase price action; Fundamental Grade Crypto API helps you see the business behind the token—community traction, tokenomics design, exchange presence, VC signals, and DeFi health—consolidated into one score you can query in code. In a few minutes, you’ll fetch Fundamental Grade, render it in your product, and ship a due-diligence UX that drives trust. Start by grabbing your key at the Get API Key page, Run Hello-TM to verify your first call, then Clone a Template to go live fast.

What You’ll Build in 2 Minutes

A minimal script to fetch Fundamental Grade from /v2/fundamental-grade for any symbol (e.g., BTC).

  • Optional curl to smoke-test your key in seconds.
  • A drop-in pattern to display the grade + key drivers in dashboards, screeners, and research tools.

Endpoints to consider next:

  • /v2/tm-grade (technical/sentiment/momentum)
  • /v2/price-prediction (scenario planning)
  • /v2/resistance-support (risk levels)
  • /v2/quantmetrics (risk/return stats)

Why This Matters

Beyond price, toward quality. Markets are noisy—hype rises and fades. Fundamental Grade consolidates hard-to-track signals (community growth, token distribution, liquidity venues, investor quality, DeFi integrations) into a clear, comparable score. You get a fast “is this worth time and capital?” answer for screening, allocation, and monitoring.

Build trust into your product. Whether you run an investor terminal, exchange research tab, or a portfolio tool, Fundamental Grade lets users justify positions. Pair it with TM Grade or Quantmetrics for a balanced picture: what to buy (fundamentals) and when to act (signals/levels).

Where to Find The Fundamental Grade

The Fundamental Grade is easily accessible in the top right of the API Reference. Grab the cURL request for seamless access!

Build Smarter Crypto Apps & AI Agents with Token Metrics

Token Metrics provides real-time prices, trading signals, and on-chain insights all from one powerful API. Grab a Free API Key

How It Works (Under the Hood)

Fundamental Grade aggregates multiple project-quality signals into a normalized score and label (e.g., Strong / Average / Weak). Typical sub-signals include:

  • Community: momentum across channels (dev activity/user traction signals where applicable).
  • Tokenomics: supply schedule, distribution, unlock dynamics, incentives.
  • Exchange Presence: venue coverage, depth/liquidity proxies.
  • VC/Investor Signals: quality/durability of backing and ecosystem support.
  • DeFi Health: integrations, TVL context, composability footprint.

At query time, you call /v2/fundamental-grade with a symbol; responses include the overall score plus component scores you can visualize. For dashboards with many assets, batch fetches and short-TTL caching keep pages responsive. If you push alerts (e.g., “Fundamental Grade upgraded”), prefer webhooks or queued jobs to avoid hammering the API.

Production Checklist

  • Rate limits: Know plan caps; add client throttling and request queues.
  • Retries/backoff: Exponential backoff + jitter; surface actionable error messages.
  • Idempotency: Prevent duplicate downstream actions on retried calls.
  • Caching: Use memory/Redis/KV with short TTLs; pre-warm popular symbols.
  • Webhooks & jobs: For alerts, use signed webhooks or scheduled jobs; log delivery outcomes.
  • Pagination/Bulk: When covering many tokens, paginate or process in batches.
  • Error catalog: Map 4xx/5xx to user-visible fixes; log request IDs.
  • Observability: Track p95/p99 and error rate per endpoint; alert on spikes.
  • Security: Keep API keys in secrets managers; rotate regularly.

Use Cases & Patterns

  • Screener Maker: Rank tokens by Fundamental Grade, filter by market cap/sector, and add “rising fundamentals” badges for discovery.
  • Dashboard Builder: On each token page, show the headline grade with a component chart; link to methodology for transparency.
  • Research & PM Tools: Flag downgrades/upgrades to prompt re-evaluation; attach notes to component changes (e.g., DeFi health drop).
  • Allocator / Risk: Require a minimum Fundamental Grade before inclusion; rebalance only when grade crosses thresholds.
  • Community/Discord: Post weekly upgrades as digest messages with links back to your app.

Next Steps

  • Get API Key — generate a key and start free.
  • Run Hello-TM — verify your first successful call.
  • Clone a Template — deploy a screener or token page today.
  • Watch the demo: VIDEO_URL_HERE
  • Compare plans: Scale confidently with API plans.

FAQs

1) What does the Fundamental Grade API return?

A JSON payload with the overall score/grade plus component scores (e.g., community, tokenomics, exchange presence, VC backing, DeFi health) and timestamps. Use the overall grade for ranking and component scores for explanations.

2) How fast is the endpoint? Do you publish SLOs?

The API is engineered for predictable latency. For high-traffic dashboards, add short-TTL caching and batch requests; for alerts, use jobs/webhooks to minimize round-trips.

3) Can I combine Fundamental Grade with TM Grade or signals?

Yes. A common pattern is Fundamental Grade for quality filter + TM Grade for technical/sentiment context + Trading Signals for timing and Support/Resistance for risk placement.

4) How “accurate” is the grade?

It’s an opinionated synthesis of multiple inputs—not financial advice. Historical studies can inform usage, but past performance doesn’t guarantee future results. Always layer risk management and testing.

5) Do you offer SDKs and examples?

You can use REST directly (see JS/Python above). The docs include quickstarts, Postman, and ready-to-clone templates—start with Run Hello-TM.

Research

Indices Hub: Join the Waitlist for TM Global 100 (2025)

Token Metrics Team
5

If you’ve been waiting for a simple, rules-based way to own the Token Metrics Global 100—without micromanaging tokens—this hub is for you. The TM Global 100 is a rules-based crypto index that holds the top 100 assets in bull markets and moves to stablecoins in bear markets, with weekly rebalancing and transparent holdings/transaction logs you can verify at any time. It’s designed for hands-off allocators who want disciplined exposure and for active traders who want a core that adapts to regimes—without guesswork or endless rebalancing. Below you’ll find how it works, who it’s for, and exactly how to join the waitlist so you’re first in line when trading opens.

→ Join the waitlist to be first to trade TM Global 100.

Why Indices Matter in October 2025

Search intent right now: investors want credible, rules-based crypto exposure that can participate in upside while reducing drawdown pain. A crypto index is a basket of assets selected and maintained by rules—so you avoid one-off bets and constant manual rebalancing.

With liquidity rotating quickly across sectors, weekly rebalancing helps maintain alignment with current market-cap leaders, while regime switching provides a disciplined, pre-defined response to bearish conditions. The result is a clear, consistent process that removes emotional decision-making and operational drag.

Definition

A crypto index is a rules-based basket of digital assets that’s constructed, weighted, and rebalanced on a set schedule.

How the TM Global 100 Index Works (Plain English)

  • Regime switching: Bullish: Hold the top-100 crypto assets by market cap.
  • Bearish: Exit all positions into stablecoins and wait for a new bullish signal.
  • Weekly rebalancing: Reflects updated rankings and weights across the market-cap universe.
  • Transparency: Strategy modal shows methodology and thresholds; Gauge → Holdings Treemap → Transactions Log make every change visible.

What you’ll see on launch: Price tile, gauge (“rebalances weekly”), 100 tokens, one-click Buy Index flow, and a 90-second checkout via embedded wallet.‍See the strategy and rules.

Benefits at a Glance (Why This Beats DIY)

  • Time saved: No more manual coin-picking, sizing, and calendar rebalances.
  • Lower execution drag: One click vs. dozens of individual orders that can add slippage.
  • Stay current: Weekly rebalances help you capture market-cap changes without constant monitoring.
  • Discipline in drawdowns: Automatic switch to stablecoins removes panic decisions.
  • Radical visibility: Holdings treemap, table, and transactions log show what you own and what changed—every week.
  • Operational simplicity: Embedded wallet and a unified dashboard; no juggling chains and exchanges.

Step-by-Step: How to Get Early Access (Waitlist)

  1. Open the Indices Hub: Head to the Token Metrics Indices hub.
  2. Choose TM Global 100: Open the index page and review the Gauge → Strategy → Holdings.
  3. Join the Waitlist: Add your email to be notified the moment trading opens.
  4. (Optional) Connect Wallet: Pre-connect your wallet for a faster launch-day checkout.

Launch-Day Flow (~90 seconds): Tap Buy Index, review fees/slippage, confirm, and see your position in My Indices. Track Rebalances: After each weekly rebalance or regime change, check the Transactions Log for updates.

→ Join the waitlist to be first to trade TM Global 100.

Decision Guide: Is This Right for You?

  • Hands-Off Allocator: Want broad exposure without micromanaging? Yes—rules-based + weekly rebalances.
  • Active Trader: Need a core that sits in stables during bears while you hunt edges elsewhere? Fits.
  • TM Member/Prospect: Already trust Token Metrics research? This is the rules-based version of “own the market.”
  • Risk-Aware Newcomer: Prefer a clear framework over vibes? Methodology is visible and auditable.
  • DIY Basket Builder: Tired of missed rebalances and slippage? One click can reduce execution drag.
  • Data-First Analyst: Want to verify? See the holdings, weights, and transaction history anytime.

FAQs

1) What is a TM Global 100 index?

It’s a rules-based crypto index that holds the top 100 assets by market cap in bullish regimes and moves to stablecoins in bearish regimes. It rebalances weekly and shows transparent holdings and transactions.

2) How often does the index rebalance?

Weekly, with additional full-portfolio switches when the market regime changes.

3) What triggers the move to stablecoins?

A proprietary market signal. When bearish, the index exits all token positions into stablecoins and waits for a bullish re-entry signal.

4) Can I fund with USDC or fiat?

At launch, funding and settlement options surface based on the embedded wallet and supported chains. USDC payouts are supported for selling; additional entry options may be introduced later.

5) Is the wallet custodial?

No. The Embedded Wallet is self-custodial—you control your funds while using a streamlined, on-chain checkout.

6) How are fees shown?

Before you confirm, the Buy flow shows estimated gas, platform fee, maximum slippage, and the minimum expected value.

7) How do I join the waitlist?

Go to the Token Metrics Indices hub or the TM Global 100 strategy page and submit your email. We’ll notify you the moment trading opens.

Security, Risk & Transparency

  • Self-custody: Embedded smart wallet; you hold the keys.
  • 2FA & session hygiene: Use strong auth practices for your TM account.
  • Fee clarity: Gas, platform fee, and slippage are displayed before you confirm.
  • Auditability: Holdings, treemap, and transactions log are always visible.
  • Model limits: Regime logic can be wrong, and markets can gap; rules reduce discretion—not risk.
  • Regional availability: Product surfaces may vary by region as we expand.

Crypto is volatile and can lose value. Past performance is not indicative of future results. This article is for research/education, not financial advice.

Conclusion

If you want a disciplined, rules-based core that adapts to market regimes, Token Metrics Global 100 is built for you. Weekly rebalances, transparent holdings, and one-click buy remove operational friction so you can focus on your strategy.

→ Click here to get early access to Token Metrics indices.

Research

Top Crypto Index for Hands-Off Portfolios (2025)

Token Metrics Team
4

If you want broad exposure to cryptocurrencies without constant chart monitoring, a top crypto index offers a streamlined way to participate in the market. Token Metrics provides innovative tools to help you understand and access such indices efficiently.

Opening Hook

If you’re seeking an uncomplicated, rules-driven approach to crypto investing that adapts to market conditions, a top crypto index might be worth exploring. These indexes automate the process of capturing upside potential while managing risk during downturns, making crypto investing more accessible for a variety of investor profiles.

What is a Crypto Index?

A crypto index is a systematic, rules-based collection of digital assets that reflects a specific universe—such as the top 100 cryptocurrencies by market capitalization. It relies on transparent methodologies and scheduled rebalancing to ensure that the composition remains aligned with market dynamics. These indexes aim to provide broad exposure while reducing the need for individual asset management.

How Top Crypto Indexes Function in 2025

Many modern crypto indexes incorporate regime switching mechanisms: during bullish periods, they hold top assets; during bear markets, they shift to stablecoins to mitigate losses. Weekly rebalancing updates the constituents based on current market rankings, and transparency tools such as strategy descriptions, gauges, and transaction logs allow users to verify holdings and changes in real-time.

Benefits of Using a Crypto Index Over DIY Approaches

  • Time efficiency: Automates rebalancing and regime switching, saving manual effort.
  • Lower slippage: Executes large baskets with minimal impact on prices.
  • Consistency: Ensures regular rebalancing and discipline during volatile periods.
  • Transparency: Clear logs and dashboards allow for full accountability.
  • Speed: Simplified onboarding with quick allocation processes.

Getting Early Access to Top Crypto Indexes

To gain early exposure, follow these steps:

  1. Open the Token Metrics Indices hub.
  2. Select TM Global 100 and view its details.
  3. Tap “Join Waitlist” and enter your email (optionally connect your wallet).
  4. Review strategy criteria, holdings, and rebalancing rules.
  5. Once launched, connect your wallet, review estimated fees, and confirm your allocation.
  6. Funds appear in your index portfolio, enabling easy tracking and management.

Is This Index Suitable for You?

Consider your investment style:

  • Hands-Off Allocator: Ideal if you prefer broad market exposure with minimal management.
  • Active Trader: Use as a core component, complemented by higher-beta bets.
  • New to Crypto: Great for beginners seeking transparent exposure through simplified flows.
  • DIY Enthusiast: Replace complex basket-building with a rules-based index.
  • Self-Custody User: Benefit from integrated self-custodial wallets with clear transaction records.

FAQs

What is a top crypto index?

It is a rules-based basket that tracks a defined universe of digital assets—such as the top 100 by market cap—using transparent methodology and scheduled rebalancing.

How often does the index rebalance?

The index rebalances weekly, with regime switches occurring when market signals change, ensuring adaptability during different market cycles.

What prompts the move to stablecoins?

A proprietary market-regime signal triggers the transition, exiting token positions to stablecoins during bearish periods and re-entering when signals turn bullish.

Can I fund with USDC or fiat?

At launch, the embedded wallet will support supported funding options based on your chain or wallet. USDC payout is available upon sale; further options may follow.

Is the wallet custodial?

No. It’s an embedded, self-custodial smart wallet—giving you full control over your private keys and funds.

How are fees shown?

Estimated gas, platform fee, slippage, and minimum expected value are displayed before you confirm the transaction, providing full transparency.

How do I join the waitlist?

Visit the Token Metrics Indices hub or the TM Global 100 page, tap “Join Waitlist,” and follow the instructions to register your interest and prepare for launch.

Disclaimer

Crypto assets are highly volatile and can result in significant losses. Past performance does not guarantee future results. This content is for research and educational purposes only and not financial advice.

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