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Version: v2

Chain

namestringrequired

Human-readable name identifier for the blockchain network.

Example: ethereum-mainnet
displayNamestringnullable

Display name for the blockchain network.

Example: Ethereum
chainSelectorstringrequired

The CCIP chain selector (uint64 as string). Example Selectors (non-exhaustive):

ChainSelector
Arbitrum4949039107694359620
Base15971525489660198786
Ethereum5009297550715157269
Optimism3734403246176062136
Polygon4051577828743386545
Solana124615329519749607

For the complete list of chain selectors, see: CCIP Directory

Possible values: Value must match regular expression ^[0-9]+$

Example: 5009297550715157269
chainIdstringrequired

Native chain identifier (EIP-155 for EVM, genesis hash for SVM, etc.).

Example: 1
chainFamilystringrequired

Blockchain family/architecture type. Determines message format, address encoding, and execution model.

Example: EVM
environmentChainEnvironmentrequired

Deployment environment of the network.

Example: mainnet
isPrivatebooleanrequired

Whether this is a private chain.

Example: false
JSON
Chain
{
  "name": "ethereum-mainnet",
  "displayName": "Ethereum",
  "chainSelector": "5009297550715157269",
  "chainId": "1",
  "chainFamily": "EVM",
  "environment": "mainnet",
  "isPrivate": false
}