# Omni Bridge SDK

> TypeScript SDK for cross-chain token transfers via the Omni Bridge protocol. Transfer tokens between Ethereum, NEAR, Solana, Base, Arbitrum, Polygon, BNB Chain, Bitcoin, and Zcash.

## Docs

- [Decimal Normalization](https://bridge.near.tools/core-concepts/decimals.md): Why small amounts can fail and how to prevent it
- [OmniAddress Format](https://bridge.near.tools/core-concepts/omni-addresses.md): Cross-chain address format used throughout the SDK
- [Transfer Flow](https://bridge.near.tools/core-concepts/transfer-flow.md): How cross-chain transfers work under the hood
- [Getting Started](https://bridge.near.tools/getting-started.md): Build your first cross-chain transfer in 5 minutes
- [Fast Transfers](https://bridge.near.tools/guides/advanced/fast-transfers.md): Near-instant transfers via liquidity providers
- [Manual Finalization](https://bridge.near.tools/guides/advanced/manual-finalization.md): Finalize transfers yourself without relayer fees
- [Token Deployment](https://bridge.near.tools/guides/advanced/token-deployment.md): Register new tokens for cross-chain bridging
- [Bitcoin & Zcash](https://bridge.near.tools/guides/bitcoin.md): Bridge Bitcoin and Zcash to NEAR
- [EVM Chains](https://bridge.near.tools/guides/evm.md): Bridge tokens from Ethereum, Base, Arbitrum, Polygon, and BNB Chain
- [Relayer Fees](https://bridge.near.tools/guides/fees.md): Pay fees for automatic transfer finalization
- [NEAR](https://bridge.near.tools/guides/near.md): Bridge tokens from NEAR Protocol
- [Solana](https://bridge.near.tools/guides/solana.md): Bridge tokens from Solana
- [Tracking Transfers](https://bridge.near.tools/guides/tracking.md): Monitor your transfer's progress
- [Introduction](https://bridge.near.tools/introduction.md): TypeScript SDK for cross-chain token transfers
- [@omni-bridge/btc](https://bridge.near.tools/reference/btc.md): Bitcoin and Zcash UTXO builder
- [@omni-bridge/core](https://bridge.near.tools/reference/core.md): Validation, types, configuration, and API client
- [@omni-bridge/evm](https://bridge.near.tools/reference/evm.md): EVM transaction builder for Ethereum, Base, Arbitrum, Polygon, and BNB Chain
- [@omni-bridge/near](https://bridge.near.tools/reference/near.md): NEAR transaction builder and shims
- [@omni-bridge/solana](https://bridge.near.tools/reference/solana.md): Solana instruction builder