🪙 GenVox Crypto Sentiment API

Real-time crypto sentiment analysis powered by Reddit social data. Built for AI agents using the x402 protocol.

Live API: https://crypto-sentiment-api-production.up.railway.app
Website: genvox.io
x402scan: View on x402scan

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🎯 What is GenVox?

GenVox analyzes real-time sentiment from Reddit's cryptocurrency communities to generate actionable BUY/SELL/NEUTRAL trading signals. Perfect for AI trading bots, portfolio managers, and autonomous agents.

Key Features

• 🚀 Sub-200ms Response Time - Lightning fast for real-time trading
• 💰 $0.03 Per Query - Micro-payments via x402 protocol on Base
• 🤖 Agent-First Design - No API keys, no signup, instant access
• 📊 10+ Supported Coins - BTC, ETH, SOL, DOGE, ADA, XRP, DOT, MATIC, LINK, UNI
• 🔄 Real-Time Data - Sentiment updated every hour from Reddit
• 📈 Confidence Scores - 0-1 scale showing signal strength
• 🔒 Secure Payments - USDC on Base L2 (low gas fees)

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🚀 Quick Start

📖 Documentation

• API Documentation - Complete API reference
• Quickstart Guide - Get started in 5 minutes
• Code Examples - Working JavaScript & Python examples

For AI Agents

curl -X GET https://crypto-sentiment-api-production.up.railway.app/v1/sentiment/BTC \
  -H "X-Payment: <x402-payment-proof>"

Example Response

{
  "coin": "BTC",
  "signal": "STRONG BUY",
  "score": 0.234,
  "sentiment": {
    "positive": 65,
    "negative": 15,
    "neutral": 20
  },
  "mentions": 147,
  "trend": "up",
  "timestamp": "2025-12-19T21:45:00Z"
}

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📖 API Documentation

Endpoint

GET /v1/sentiment/{COIN}

Supported Coins:

• BTC - Bitcoin
• ETH - Ethereum
• SOL - Solana
• DOGE - Dogecoin
• ADA - Cardano
• XRP - Ripple
• DOT - Polkadot
• MATIC - Polygon
• LINK - Chainlink
• UNI - Uniswap

Request Headers

X-Payment: <x402-payment-proof>

The payment proof should be a valid x402 protocol payment of 0.03 USDC on Base network.

Response Schema

Field	Type	Description
coin	string	Coin symbol (e.g., "BTC")
signal	string	Trading signal: "STRONG BUY", "BUY", "NEUTRAL", "SELL", "STRONG SELL"
score	number	Sentiment score from -1 (very negative) to +1 (very positive)
sentiment.positive	number	Percentage of positive mentions
sentiment.negative	number	Percentage of negative mentions
sentiment.neutral	number	Percentage of neutral mentions
mentions	number	Total Reddit posts analyzed
trend	string	Price trend direction: "up", "down", "sideways"
timestamp	string	ISO 8601 timestamp of analysis

Signal Mapping

Score Range	Signal	Meaning
0.15 to 1.0	STRONG BUY	Very bullish sentiment
0.05 to 0.15	BUY	Bullish sentiment
-0.05 to 0.05	NEUTRAL	Mixed or unclear sentiment
-0.15 to -0.05	SELL	Bearish sentiment
-1.0 to -0.15	STRONG SELL	Very bearish sentiment

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💻 Code Examples

JavaScript (Node.js)

const axios = require('axios');

async function getCryptoSentiment(coin) {
  const response = await axios.get(
    `https://crypto-sentiment-api-production.up.railway.app/v1/sentiment/${coin}`,
    {
      headers: {
        'X-Payment': '<your-x402-payment-proof>'
      }
    }
  );
  
  return response.data;
}

// Usage
getCryptoSentiment('BTC').then(data => {
  console.log(`Signal: ${data.signal}`);
  console.log(`Score: ${data.score}`);
  console.log(`Mentions: ${data.mentions}`);
});

Python

import requests

def get_crypto_sentiment(coin):
    url = f"https://crypto-sentiment-api-production.up.railway.app/v1/sentiment/{coin}"
    headers = {
        "X-Payment": "<your-x402-payment-proof>"
    }
    
    response = requests.get(url, headers=headers)
    return response.json()

# Usage
data = get_crypto_sentiment("ETH")
print(f"Signal: {data['signal']}")
print(f"Score: {data['score']}")
print(f"Trend: {data['trend']}")

cURL

# Get Bitcoin sentiment
curl -X GET \
  https://crypto-sentiment-api-production.up.railway.app/v1/sentiment/BTC \
  -H "X-Payment: <your-x402-payment-proof>"

# Get Ethereum sentiment
curl -X GET \
  https://crypto-sentiment-api-production.up.railway.app/v1/sentiment/ETH \
  -H "X-Payment: <your-x402-payment-proof>"

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🤖 For AI Agent Developers

Using with x402 Protocol

1. Set up x402 client - Follow x402 documentation
2. Fund your agent's wallet - Add USDC on Base network
3. Make payment - Agent pays 0.03 USDC per query
4. Receive payment proof - x402 returns proof-of-payment
5. Call API - Include proof in X-Payment header
6. Get sentiment data - Use for trading decisions

Integration Example (Pseudocode)

// Your AI trading bot
async function makeTradeDecision(coin) {
  // 1. Pay via x402
  const paymentProof = await x402.pay({
    amount: "0.03",
    currency: "USDC",
    recipient: "crypto-sentiment-api-production.up.railway.app"
  });
  
  // 2. Call GenVox API
  const sentiment = await fetch(`/v1/sentiment/${coin}`, {
    headers: { 'X-Payment': paymentProof }
  });
  
  // 3. Make decision
  if (sentiment.signal === "STRONG BUY" && sentiment.score > 0.2) {
    return executeBuy(coin);
  } else if (sentiment.signal === "STRONG SELL") {
    return executeSell(coin);
  }
  
  return "HOLD";
}

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🔗 Use Cases

Trading Bots

Real-time sentiment signals for automated trading strategies. Combine with price data and technical indicators for informed decisions.

Portfolio Managers

Monitor sentiment across multiple assets. Rebalance portfolios based on community sentiment shifts.

Research & Analytics

Track sentiment trends over time. Analyze correlation between Reddit sentiment and price movements.

Alert Systems

Trigger notifications when sentiment for specific coins reaches extreme levels (strong buy/sell signals).

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🛠️ Technical Details

Data Sources

• r/CryptoCurrency - 8M+ members, most active crypto community
• r/Bitcoin - 6M+ members, Bitcoin-specific discussions
• r/Ethereum - 2M+ members, Ethereum ecosystem
• Coin-specific subreddits - Targeted community analysis

Sentiment Analysis

• VADER Algorithm - Specialized for social media text
• Upvote Weighting - Highly upvoted posts carry more weight
• Comment Analysis - Includes comment sentiment, not just posts
• Noise Filtering - Removes spam, bots, and low-quality content

Update Frequency

• Sentiment data refreshed every hour
• Covers approximately last 24 hours of Reddit activity
• Minimum 50 mentions required for reliable signal

Infrastructure

• Hosted on: Railway.app
• Database: PostgreSQL (caching layer)
• CDN: Cloudflare (for global low-latency)
• Blockchain: Base L2 (for x402 payments)

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💰 Pricing

Query Type	Price	Payment Method
Single Sentiment Query	$0.03 USDC	x402 protocol on Base

No subscriptions. No rate limits. Pay per use.

Why $0.03?

• Affordable for high-frequency trading - 1000 queries = $30
• Sustainable for data costs - Reddit API, compute, storage
• Fair for both sides - Agents get value, developers get paid

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🌐 Links & Resources

• Website: genvox.io
• x402scan Listing: View API
• x402 Protocol: x402.org
• Base Network: base.org
• Twitter/X: @BreakTheCubicle
• YouTube Series: "Break the Cubicle" (https://www.youtube.com/@breakthecubicle)

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📊 Stats

Updated automatically on x402scan

• Total Queries: View on x402scan
• Active Users: See live data
• Uptime: 99.9%+
• Average Response Time: <200ms

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🤝 Support

For Developers

• Issues: GitHub Issues
• Email: support@genvox.io
• Twitter: @BreakTheCubicle

For AI Agents

If your agent is experiencing issues:

1. Verify payment proof is valid
2. Check you're using correct endpoint URL
3. Ensure coin symbol is supported (uppercase: BTC, ETH, etc.)
4. Payment must be exactly 0.03 USDC on Base network

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🚧 Roadmap

Coming Soon

• Historical sentiment data API
• Sentiment trends (1h, 24h, 7d comparisons)
• Multi-coin batch queries (single payment)
• Webhook notifications for extreme sentiment
• Discord & Telegram data sources
• Sentiment heatmaps by timeframe
• Custom coin support (submit request)

Future Considerations

• GraphQL endpoint
• WebSocket for real-time updates
• Token-based access (alternative to x402)
• Sentiment prediction models (ML)

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📜 License

Proprietary - For x402 protocol use only

This API is provided as-is for AI agents via the x402 protocol. Commercial use outside x402 requires permission.

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🎬 About

GenVox is part of the Break the Cubicle project - documenting the journey of building for the AI agent economy.

First API built in 4 hours. Now serving real AI agents. Building in public.

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🌟 Star This Repo

If you're using GenVox or building your own x402 APIs, star this repo to show support!

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