How can I view 0x18f99a5a's crypto portfolio?

You can view the full portfolio of 0x18f99a5a (0x18f93e99d7d408067f48ebee1e4996eac5c09a5a) on Zerion at https://app.zerion.io/0x18f93e99d7d408067f48ebee1e4996eac5c09a5a/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.