Balance API

Show balances and allowances at a glance.

Latency 73.6 ms
Supported Chains 13
SLA 99.99%
Get reliable endpoint access on 10+ networks.
Optimize for uptime, speed and cross-chain operation.
Multiple chains Enterprise scale Unified access
Query balances across 13+ L1 & L2 networks through a single REST endpoint—no bridges or wrappers needed.

Balance API supports 13 chains.

Ethereum
BNB Chain
Polygon
Optimism
Arbitrum
Gnosis
Avalanche
ZKsync
Base
Linea
Unichain
Sonic
Solana

Get smooth DX. Build beautiful UX.

1inch Business prioritizes developer experience to bring you easy integration and responsive support.

Documentation

Get started quickly

Learn how to use the APIs with docs, guides, and code snippets.

Read API docs

Get help

Support

Answers to common questions and 24/7 support regardless of subscription.

Ask support
Power your app with enterprise-grade APIs
Contact sales

Take control with 1inch Web3 APIs