How can I view 0xd870b2e3's crypto portfolio?

You can view the full portfolio of 0xd870b2e3 (0xd870d30471d851a8d973f652c00fbef83ac9b2e3) on Zerion at https://app.zerion.io/0xd870d30471d851a8d973f652c00fbef83ac9b2e3/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.