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Build on blockchain data you can trust

Get your API keyAPI reference
Real-time balances, positions, and history for any wallet, normalized into one schema across EVM chains and Solana. It’s the same data that powers the Zerion app.

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Build onchain apps

Portfolio Total wallet value, broken down by token and chain.DeFi positions Lending, staking, and liquidity positions across protocols.Transaction history Every transaction decoded into trades, transfers, and approvals.PnL Wallet-level and per-token profit and loss.NFTs Collections and tokens with metadata, floor prices, and media.Notifications Webhooks on wallet activity, no polling needed.

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Build with AI

Connect your agentOne command installs the Zerion CLI and skill for Claude Code, Cursor, and Codex.
MCP server Connect Zerion to Claude, Cursor, Windsurf, VS Code, and more.Pay per request Let agents pay per call with x402 or MPP, no API key needed.

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Migrating from another provider

Endpoint-by-endpoint mapping, field translations, and code samples for each provider.
ZapperDune SIMMoralisDeBankGoldRushAlliumMobulaOneBalance
Supported blockchains Every chain the API covers.Endpoints and schema How endpoints and responses are structured.