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For the complete documentation index, see llms.txt. This page is also available as Markdown.

Overview

Arc is a Layer 1 blockchain built for stablecoin finance. It is EVM-compatible and designed to support high-throughput, low-latency transaction processing for moving value seamlessly across systems.

Developer docs: https://docs.arc.io/arc-chain

Block explorer: https://testnet.arcscan.app

Network Support

Network
Full History / Archive
HTTPS
WSS

Arc Testnet

WebSocket clients MUST respond to server ping frames, otherwise the connection will be closed and re-established every minute.

Methods & Compute Units

debug_traceBlockByHash

80

debug_traceBlockByNumber

80

debug_traceCall

80

debug_traceTransaction

80

eth_blockNumber

20

eth_call

40

eth_chainId

10

eth_estimateGas

40

eth_feeHistory

20

eth_gasPrice

40

eth_getBalance

40

eth_getBlockByHash

40

eth_getBlockByNumber

40

eth_getBlockReceipts

40

eth_getBlockTransactionCountByHash

40

eth_getBlockTransactionCountByNumber

40

eth_getCode

40

eth_getFilterChanges

40

eth_getFilterLogs

40

eth_getLogs

80

eth_getProof

40

eth_getStorageAt

40

eth_getTransactionByBlockHashAndIndex

40

eth_getTransactionByBlockNumberAndIndex

40

eth_getTransactionByHash

40

eth_getTransactionCount

40

eth_getTransactionReceipt

40

eth_getUncleCountByBlockHash

40

eth_getUncleCountByBlockNumber

40

eth_newBlockFilter

40

eth_newFilter

40

eth_newPendingTransactionsFilter

40

eth_sendRawTransaction

80

eth_subscribe

20

eth_syncing

10

eth_uninstallFilter

20

eth_unsubscribe

20

net_listening

10

net_peerCount

20

net_version

10

trace_block

80

trace_call

80

trace_filter

80

trace_replayBlockTransactions

270

trace_replayTransaction

270

trace_transaction

80

web3_clientVersion

40

web3_sha3

40

Endpoint Capabilities

Arc endpoints support both HTTP and WebSocket connectivity for production-grade applications.

HTTP

Best suited for:

  • backend services and APIs

  • blockchain data queries

  • smart contract deployment and interaction

  • development and testing workflows

WebSocket

Best suited for:

  • real-time transaction monitoring

  • event subscriptions

  • live dashboards and analytics

  • applications that require low-latency data delivery

Getting Started

To start building on Arc, connect your application to an Arc endpoint and send standard Ethereum JSON-RPC requests.

Example request:

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