LayerZero V1 Documentation
This is the archived documentation for LayerZero V1. If you are maintaining an existing V1 integration, these pages may help you understand the original protocol design, contract interfaces, and configuration.Quick Navigation
V1 Introduction
Overview of the LayerZero V1 protocol and its capabilities.
V1 Deployed Contracts
All V1 endpoint addresses, message libraries, and relayer contracts.
EVM Getting Started
How to build with LzApp on EVM chains using V1.
OFT V1.2 Standard
The OFT V1.2 omnichain fungible token standard.
Trusted Remotes
How to configure trusted remote addresses between chains.
Estimating Fees
How to estimate cross-chain message fees in V1.
StoredPayload Troubleshooting
How to handle and fix stored payloads.
V1 Solidity Interfaces
ILayerZeroEndpoint and other V1 Solidity interfaces.
Sections
Concepts
EVM Developers
- Getting Started
- Send Messages
- Receive Messages
- Set Trusted Remotes
- Contract Standards
- Advanced Guides
- UA Configuration
- Solidity Interfaces
Oracle & Relayer
Other Chains
Technical Reference
Troubleshooting
Looking to migrate from V1 to V2? Start with the LayerZero V2 documentation.
