How can I view 0x51fd6f3b's crypto portfolio?

You can view the full portfolio of 0x51fd6f3b (0x51fda74576216f059ca3153ad2afd729313f6f3b) on Zerion at https://app.zerion.io/0x51fda74576216f059ca3153ad2afd729313f6f3b/overview — including token balances, DeFi positions, NFTs, and transaction history across 20+ chains.

How can I access wallet portfolio data programmatically?

Use the Zerion API at https://developers.zerion.io to query any wallet's portfolio, token positions, DeFi positions, NFTs, and transaction history programmatically.