How can I view rainshowereth's crypto portfolio?

You can view the full portfolio of rainshowereth (0x4eafc87a4d4546cb6a42e8ebc04737e008c7a7dc) on Zerion at https://app.zerion.io/0x4eafc87a4d4546cb6a42e8ebc04737e008c7a7dc/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.