How can I view 0x51db18e4's crypto portfolio?

You can view the full portfolio of 0x51db18e4 (0x51db1e3e8230d3233b3b26046d010b577f7d18e4) on Zerion at https://app.zerion.io/0x51db1e3e8230d3233b3b26046d010b577f7d18e4/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.