Zerion API
The onchain data layer for builders
One API for enriched wallet data across 42 chains — the same engine that powers the Zerion wallet, serving 250M+ requests a month.
Hero visual
40+
Chains
4,500+
Protocols
250M+
Monthly requests
99.9%
Uptime
Everything you can query
Balances
Real-time token balances for any address.
Transactions
Decoded, labeled history across every chain.
Positions
DeFi positions across 4,500+ protocols.
NFTs
Holdings, collections, floors, and metadata.
Prices & charts
Token prices and market data.
PnL
Realized and unrealized performance.