crypto-price-provider-service/env.example at main · incryptomax/crypto-price-provider-service · GitHub

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# Application
NODE_ENV=production
PORT=8080
API_KEYS=prod-key-velvet-2024-001,prod-key-velvet-2024-002,prod-key-velvet-2024-003
CORS_ORIGINS=https://yourdomain.com,https://api.yourdomain.com

# Redis
REDIS_URL=redis://localhost:6379/0
CACHE_TTL_SECONDS=5
SINGLEFLIGHT_LOCK_MS=1500

# Price Providers
PROVIDERS_TIMEOUT_MS=900
PROVIDERS_HARD_TIMEOUT_MS=1500
PROVIDERS_QUORUM=5
OUTLIER_REL_THRESHOLD=0.1
OUTLIER_K=3.5
MAX_TOKENS_PER_REQUEST=50
PARALLEL_TOKENS=50

# Rate Limiting (API endpoint throttling - Production)
THROTTLE_TTL=1
THROTTLE_LIMIT=100

# Provider Rate Limits (Performance Optimized - Aggressive)
# CoinGecko Pro: ~1000 calls/min = 16.6 RPS (aggressive: 15 RPS)
COINGECKO_RATE_LIMIT=15.0
# Moralis Pro: ~200 calls/min = 3.3 RPS (aggressive: 3 RPS)
MORALIS_RATE_LIMIT=3.0
# Portals.fi Pro: ~300 calls/min = 5.0 RPS (aggressive: 8 RPS)
PORTALS_RATE_LIMIT=8.0
# 1inch Business: ~1000 calls/min = 16.6 RPS (aggressive: 15 RPS)
ONEINCH_RATE_LIMIT=15.0
# DeFiLlama: No rate limits (ultra-aggressive: 20 RPS)
DEFILLAMA_RATE_LIMIT=20.0

# Logging
LOG_LEVEL=info
LOG_FILE=logs/app.log

# Monitoring
SENTRY_DSN=

# Swagger
SWAGGER_TITLE=Crypto Price Provider API
SWAGGER_DESCRIPTION=API for aggregating cryptocurrency prices from multiple providers
SWAGGER_VERSION=1.0

# Provider API Keys (Production Ready)
# CoinGecko Pro: get Pro key at https://www.coingecko.com/en/api (1000 calls/min)
COINGECKO_API_KEY=CG-your-actual-coingecko-pro-key-here

# Moralis Pro: get Pro key at https://moralis.io (200 calls/min)
MORALIS_API_KEY=your-actual-moralis-pro-key-here

# Portals.fi Pro: get Pro key at https://portals.fi (300 calls/min)
PORTALS_API_KEY=your-actual-portals-pro-key-here

# 1inch Business: get Business key at https://business.1inch.com (1000 calls/min)
ONEINCH_API_KEY=your-actual-1inch-business-key-here

# DeFiLlama: No API key required (completely free, no rate limits)
# DEFILLAMA_API_KEY=not-needed