How can I view key1loueth's crypto portfolio?

You can view the full portfolio of key1loueth (0x39b370dca90663ffdd30838cd97c93a5042cceaa) on Zerion at https://app.zerion.io/0x39b370dca90663ffdd30838cd97c93a5042cceaa/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.