The 1inch Balance API provides real-time, accurate information about token balances and allowances across multiple chains. This API is essential for applications that need to track or display the assets held in web3 wallets and offers a simple integration into wallets, exchanges, and other dApps. By leveraging the Balance API, you can ensure that your users always have up-to-date details on their token holdings, allowances, and more.
The 1inch Balance API supports a broad range of chains:
| Supported Chains | Chain ID |
|---|---|
| Ethereum | 1 |
| Solana | 501 |
| Base | 8453 |
| Binance | 56 |
| zkSync | 324 |
| Gnosis | 100 |
| Optimism | 10 |
| Polygon | 137 |
| Linea | 59144 |
| Sonic | 146 |
| Unichain | 130 |
| Arbitrum | 42161 |
| Avalanche | 43114 |
The 1inch Balance API offers several significant benefits:
Wide selection of tokens: supports any token on the most popular blockchain networks.
Fast response time: with response times under 400 ms, the Balance API is among the fastest on the market, providing nearly instant access to wallet balances and allowances.
The 1inch Balance API can be integrated into a variety of applications, making it versatile for many web3 use cases. It is especially useful in:
For workloads that require higher RPS, expanded quotas, or sustained performance, explore the available paid plans on the pricing page. For organizations with significant trading volumes or advanced requirements, complete this application to explore tailored Enterprise options.
For detailed information about each endpoint, refer to the Balance API OpenAPI section.