10 best Zerion API alternatives in 2026
Zerion API is an on-chain & smart money tool used for portfolio tracking, wallet tracking, wallet p&l, on-chain alerts, defi portfolio and ai portfolio analysis.
CoinSeek lists 121 published tools that share at least one of these use cases. The 10 below share the most, then are the most popular.
4 of them work on chains Zerion API does not list, such as Ethereum and Arbitrum. 8 are available on platforms Zerion API does not list, such as Web and Mobile.
Zerion API alternatives compared
Most shared use cases first, then most popular. Not ranked by quality.
| Tool | Pricing | Chains | Best for | Compare |
|---|---|---|---|---|
| DeBank | — | Ethereum | Tracking DeFi positions; Reviewing wallet profit and loss; Watching smart money wallets; Checking DeFi risk | — |
| Cielo | Freemium | Bitcoin, Ethereum, Solana | Following top trader wallets; Wallet profit-and-loss analysis; Telegram and Discord alerts; Trading Solana tokens | — |
| Zapper | — | — | Tracking wallets across chains; Reviewing DeFi positions; Checking wallet profit and loss; Viewing NFT holdings | — |
| CoinStats | Paid | — | Tracking multi-wallet portfolios; Monitoring DeFi positions; Setting price and transaction alerts; Analyzing portfolio profit and loss | — |
| Blockhead | — | Ethereum, Arbitrum, Polygon, Optimism | Tracking DeFi and NFT balances; Searching wallet addresses; Viewing activity across EVM chains; Developers exploring on-chain data | — |
| Ethplorer | Subscription | Ethereum | Tracking Ethereum wallet balances; Exporting address transaction history; Getting wallet transfer alerts; Looking up ERC20 token data | — |
| Privatefolio | Freemium | Multichain | Tracking multichain crypto portfolios; Self-hosting portfolio data; Profit and loss analysis; Developers building custom extensions | — |
| Sonar | — | — | — | — |
| Step Finance | — | — | — | — |
| Zerion | — | — | Self-custody wallet users; Tracking wallet performance; Reviewing DeFi and NFT holdings; Multi-chain portfolio overview | — |
Frequently asked questions
- What are the best alternatives to Zerion API?
- By shared use cases, then popularity: DeBank, Cielo and Zapper. Each is listed below with its pricing, chains and what it is best for.
- Is there a free alternative to Zerion API?
- Cielo and Privatefolio are listed as free or freemium in the CoinSeek catalog. Check each tool’s site for its current plans.
- How does CoinSeek choose these alternatives?
- They are published tools that share at least one use case with Zerion API. Tools sharing more use cases come first, then the more popular ones. Sponsored tools are labelled and never ranked higher.