Most Accurate Real-Time Crypto Data
Data Engineered with Oracles.
Adopted by Startups.
Crypto is decentralized - and so are its prices. There is no single source of truth. Blocksize aggregates 70+ exchanges in real-time with highest accuracy, so you don't have to.
BTC/USD: realtime_vwap
$...
ETH/USD: realtime_vwap
$...
SOL/USD: realtime_vwap
$...
Market Coverage
Real-time aggregation across the crypto market.
<250ms
Latency
9000+
Price Pairs
70+
(D)Exchanges
99,9%
Uptime
Built for Seamless Integration
API documentation covering WebSocket streams, REST endpoints, authentication, and payload structures — ready to use with AI coding tools.
Pricing Packages
Prices Optimized For Startup Use Cases
14 day trial on each package
15%
Developer
For simple apps, scripts, or dashboards that need reliable crypto prices without complexity. Quick access with just enough coverage to get started.
$49 per month
Startup
For teams building products that rely on consistent, scalable pricing across multiple assets — whether for portfolio tracking, in-app pricing, or automated trading.
$299 per month
Business
For teams running best execution, benchmarking, surveillance, or risk management. Methodology-driven pricing and broader coverage for high-confidence operational and compliance decisions.
$799 per month
Enterprise
For institutions, oracles, and systems requiring oracle-grade live aggregation and accuracy. Built for integrations at scale, procurement, redistribution, and mission-critical pricing infrastructure.
$Request per month
Behind the Data
Blocksize Crypto Data FAQ
Common questions before you integrate
Yes. Blocksize gives agent builders a public remote MCP server and x402-protected HTTP market data for live paid access, so AI agents can access crypto data directly.
Sign up for a free trial, generate your API key from the dashboard. One key works for both WebSocket and REST endpoints.
Developer tier includes 1 API key. Need more? Upgrade to Startup (5 keys) or Business (10 keys).
Real-time VWAP, Bid/Ask spreads, 30-minute VWAP, 24-hour VWAP, and State Prices. Available data types depend on the tier.
Sub-250ms for real-time updates. Aggregation adds minimal latency while dramatically improving accuracy vs. single-exchange feeds.
70+ centralized and decentralized exchanges, covering 9,000+ trading pairs across all major cryptocurrencies.