How can I view 0x7a5f7559's crypto portfolio?

You can view the full portfolio of 0x7a5f7559 (0x7a5f13efcb8d75a3b4b55d36dae52e457b8d7559) on Zerion at https://app.zerion.io/0x7a5f13efcb8d75a3b4b55d36dae52e457b8d7559/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.