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

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What is Avalanche C-Chain?

Avalanche C-Chain is an EVM-compatible mainnet. Its ticker symbol is AVAX.

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What is the Avalanche C-Chain (AVAX) JSON-RPC API?

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

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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.

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Supported networks

NetworkSymbolTypeChain ID
Avalanche C-ChainAVAXMainnet43114
Avalanche Fuji TestnetAVAXTestnet43113

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API reference

Browse the available method groups for this chain: