How can I view 0x7ef8617a's crypto portfolio?

You can view the full portfolio of 0x7ef8617a (0x7ef8d86cce3e3b77979c8e34dcac201c8ae7617a) on Zerion at https://app.zerion.io/0x7ef8d86cce3e3b77979c8e34dcac201c8ae7617a/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.