Pricing

Endpoint Costs

Endpoint	Cost	Description
GET /price/:symbol	$0.01	Real-time aggregated price
GET /price/history/:symbol	$0.02	Historical OHLCV data
GET /volume/:symbol	$0.01	24h volume data
GET /spread/:pair	$0.01	Bid/ask spread analysis
GET /arbitrage-opportunity	$0.03	Cross-DEX arbitrage scanner
GET /volatility-index/:symbol	$0.02	Risk metrics and volatility
POST /price-alert	$0.05	Create webhook alert
GET /health	Free	Health check
GET /	Free	API info

Payment Method

• Token: USDC on Base
• Token Address: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
• Network: Base (Chain ID: 8453)

Caching = Savings

• 30-second cache TTL on all paid endpoints
• Identical requests within 30s are FREE
• No payment needed, no rate limit count
• Cache headers: X-Cache: HIT or MISS

Example Savings

# First request: $0.01
price = client.get("https://api.foursec.xyz/price/ETH")

# Same request 5 seconds later: $0.00 (cached!)
price = client.get("https://api.foursec.xyz/price/ETH")

# Same request 35 seconds later: $0.01 (cache expired)
price = client.get("https://api.foursec.xyz/price/ETH")

Cost Estimation

Per Use Case

Use Case	Pattern	Monthly Cost
Trading bot (1 check/min)	1440 req/day x $0.06	~$2,592
Portfolio tracker (5 tokens, hourly)	120 req/day x $0.01	~$36
Dashboard (10 tokens, 5 min)	2880 req/day x $0.02	~$1,728
Price alerts (10 alerts)	10 x $0.05	~$0.50
Research (100 queries/day)	100 x $0.02	~$60

With Caching Optimization

Use Case	Without Cache	With Cache	Savings
Trading bot	$2,592/mo	~$780/mo	70%
Dashboard	$1,728/mo	~$520/mo	70%
Research	$60/mo	~$30/mo	50%

TIP

Smart caching is the #1 way to reduce costs. Use the 30s free cache window aggressively.

No Hidden Fees

• No subscription required
• No minimum purchase
• No setup fee
• No monthly commitment
• Pay only for what you use
• Cancel anytime (just stop making requests)

Bulk Discounts

For high-volume users (>100,000 requests/day):

Volume	Discount
100K-500K req/day	10% off
500K-1M req/day	20% off
1M+ req/day	Custom pricing

Contact: sales@foursec.xyz