API Reference

Low-level reference for the ArbiLink smart contracts and on-chain architecture.

Sections

• Smart Contracts — deployed addresses, ABI, and contract interfaces for MessageHub and ArbiLinkReceiver
• Events — on-chain events emitted by the protocol, useful for indexing and relayer bots
• Architecture — protocol design, message lifecycle, and security model

Quick Links

Contract	Network	Role
MessageHub	Arbitrum Sepolia	Source-chain registry (Rust/Stylus)
ArbiLinkReceiver	Ethereum Sepolia	Destination-chain executor
ArbiLinkReceiver	Base Sepolia	Destination-chain executor

See Smart Contracts for deployed addresses.