A DeFi API is a programmatic way into decentralized finance data and actions. It lets developers query on-chain data without running their own infrastructure. The label covers four categories: protocol data, wallet positions, swap routing, and oracle infrastructure.

What is the best DeFi API in 2026?

For most DeFi use cases, CoinStats Wallet API is the strongest all-around option. It returns balances, DeFi positions, portfolio analytics, and Token Security in one integration. Coverage spans 10,000+ protocols and 120+ chains. Specialized providers fit narrower jobs. 1inch handles swaps. Chainlink delivers oracles. Glassnode focuses on institutional analytics. LayerZero powers cross-chain messaging.

Do I need an RPC node provider and a DeFi API?

If your product only consumes pre-aggregated DeFi data, a DeFi API may be enough. If it also reads contract state or submits transactions directly, add RPC infrastructure. GetBlock fits that layer.

What is the difference between token balances and token positions?

Token balances tell you what an address holds. Token positions tell you where those funds are deployed. Staking, lending, and liquidity pool stakes count as positions. Most APIs return balances. Far fewer return positions. CoinStats Wallet API is built around the position layer specifically.