Avalanche methods

Complete reference of supported Avalanche C-Chain and P-Chain JSON-RPC methods on Chainstack, including method availability details.

Our pricing is simple: 1 RU per full request, 2 RUs per archive. For which EVM methods are full vs archive, see Request units — EVM methods affected by block age.

See also interactive Avalanche API call examples.

Contract chain (C-Chain)

This table reflects the C-Chain surface after the Helicon upgrade, which removed the admin, warp, and personal namespaces, three eth methods, and eight non-trace debug methods. Helicon activated on Fuji Testnet on July 28, 2026 and activates on Avalanche Mainnet on September 22, 2026 at 15:00 UTC.

Method	Availability	Comment
eth_accounts		Removed by the Helicon upgrade
eth_blockNumber
eth_call
eth_chainId
eth_estimateGas
eth_feeHistory
eth_gasPrice
eth_getAccount
eth_getBalance
eth_getBlockByHash
eth_getBlockByNumber
eth_getBlockReceipts
eth_getBlockTransactionCountByHash
eth_getBlockTransactionCountByNumber
eth_getCode
eth_getFilterChanges
eth_getFilterLogs
eth_getLogs
eth_getProof
eth_getStorageAt
eth_getTransactionByBlockHashAndIndex
eth_getTransactionByBlockNumberAndIndex
eth_getTransactionByHash
eth_getTransactionCount
eth_getTransactionReceipt
eth_getUncleCountByBlockHash
eth_getUncleCountByBlockNumber
eth_get_asset_balance
eth_maxPriorityFeePerGas
eth_newBlockFilter
eth_newFilter
eth_newPendingTransactionFilter
eth_signTransaction
eth_subscribe
eth_syncing
eth_uninstallFilter
eth_unsubscribe
eth_sendRawTransaction
net_listening
net_peerCount
net_version
txpool_content
txpool_inspect
txpool_contentFrom
txpool_status
web3_clientVersion
web3_sha3
debug_getBadBlocks		Removed by the Helicon upgrade
debug_storageRangeAt		Removed by the Helicon upgrade — use eth_getStorageAt instead
debug_getTrieFlushInterval
debug_traceBlock
debug_traceBlockByHash
debug_traceBlockByNumber
debug_traceCall
debug_traceTransaction
avax.getAtomicTx
avax.getAtomicTxStatus
avax.getUTXOs
avax.issueTx
admin_addPeer
admin_addTrustedPeer
admin_datadir
admin_exportChain
admin_importChain
admin_nodeInfo
admin_peerEvents
admin_peers
admin_removePeer
admin_removeTrustedPeer
admin_startHTTP
admin_startWS
admin_stopHTTP
admin_stopWS

Exchange chain (X-Chain)

Method	Availability	Comment
avm.buildGenesis
avm.getAddressTxs
avm.getAllBalances
avm.getAssetDescription
avm.getBalance
avm.getBlockByHeight
avm.getHeight
avm.getTx
avm.getTxStatus
avm.getUtxOs
avm.issueTx

Platform chain (P-Chain)

Method	Availability	Comment
platform.getBalance
platform.getAllValidatorsAt
platform.getBlockchainStatus
platform.getBlockchains
platform.getCurrentSupply
platform.getCurrentValidators
platform.getFeeConfig
platform.getFeeState
platform.getHeight
platform.getMinStake
platform.getRewardUtxOs
platform.getStake
platform.getStakingAssetId
platform.getSubnets
platform.getTimestamp
platform.getTotalStake
platform.getTx
platform.getTxStatus
platform.getUtxOs
platform.getValidatorsAt
platform.issueTx
platform.sampleValidators
platform.validatedBy
platform.validates

proposervm namespace

Available on all chains (P-chain, X-chain, C-chain).

Method	Availability	Comment
proposervm.GetCurrentEpoch
proposervm.GetProposedHeight