How can I view waterfullceth's crypto portfolio?

You can view the full portfolio of waterfullceth (0x39181d980fcf41a494e21f770391b8a47085f549) on Zerion at https://app.zerion.io/0x39181d980fcf41a494e21f770391b8a47085f549/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.