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Avalanche C-Chain RPC Use Uniblock’s JSON-RPC endpoint to access Avalanche C-Chain with low-latency routing and a single API surface across providers.

What is Avalanche C-Chain?

Avalanche C-Chain is an EVM-compatible mainnet.

What is the Avalanche C-Chain JSON-RPC API?

The JSON-RPC API is the standard interface for reading chain state, sending transactions, and interacting with smart contracts where supported.

Making API requests

Send a POST request to https://api.uniblock.dev/uni/v1/json-rpc?chainId=43114. Include the JSON-RPC method and params in the request body.

Supported networks

NetworkTypeChain ID
Avalanche C-ChainMainnet43114
Avalanche Fuji TestnetTestnet43113

API reference

Browse the available method groups for this chain: