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无限Node
在保持稳定性能的同时，扩展高吞吐量的 RPC 工作负载，在您的RPS 套餐内享受无限请求次数，并拥有可预测的月度成本。
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25
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$
149
/月
Read contract state, connect wallets, and send transactions with reliable, high-performance Avalanche C-Chain RPC infrastructure.
Connect to Avalanche C-Chain mainnet or Fuji through one geo-balanced endpoint. Read AVAX balances, call Solidity contracts, and track transactions through the nearest available region.
Scale Avalanche applications with predictable capacity, archive data, and transaction debugging.
在保持稳定性能的同时，扩展高吞吐量的 RPC 工作负载，在您的RPS 套餐内享受无限请求次数，并拥有可预测的月度成本。
Read historical AVAX balances, contract state, and event logs on C-Chain. Backfill DeFi data, wallet activity, and financial records with archive access.
Inspect C-Chain execution with debug_traceTransaction and debug_traceCall. Diagnose reverted swaps and internal calls using supported debug methods on archive nodes.
Read liquidity-pool and lending-market state, simulate contract calls, and submit signed C-Chain transactions. Use ethers.js, viem, Hardhat, or Foundry with your Avalanche endpoint.
Explore Avalanche tooling
Read AVAX and token balances, estimate fees, and track transaction receipts. Build wallet interfaces and stablecoin payment backends with familiar EVM libraries.
Get an Avalanche RPC endpoint
Backfill contract events and retrieve historical balances and state with archive access. Power portfolio reporting, analytics, and application recovery without operating an archive node.
Explore Avalanche APIs
Inspect execution traces to investigate reverted swaps, contract calls, and internal transfers. Use supported debug methods with a paid-plan archive node.
Explore Avalanche debug APIs
Query staking and validator information through P-Chain APIs. Use separate C-Chain, X-Chain, and P-Chain paths for the data each part of your application needs.
Explore Avalanche methodsRun DeFi backends, indexers, and financial applications on isolated compute and storage. Choose an available Avalanche mainnet or Fuji configuration, with Chainstack managing deployment, upgrades, and node operations.
Choose Avalanche mainnet or Fuji and an available node mode to see monthly infrastructure pricing.
Feedback from Benqi’s Avalanche infrastructure work and teams building wallets, security tools, and trading applications across supported networks.
Our collaboration with Chainstack marks a pivotal step in enhancing the Avalanche ecosystem, offering a seamless experience for deploying Subnets.Chainstack其强大的基础设施极大地提升了我们有效保障Web3环境安全的能力。Chainstack 这对提升Brave钱包的多链功能和用户体验起到了至关重要的作用。Node 的“Unlimited”固定费用模式让我们能够预测成本，而且性能非常稳定我们已经从每周发生事故的情况转变为零事故。
Build on geo-balanced Avalanche endpoints for C-Chain mainnet and Fuji. Scale sustained RPC workloads with flat-fee Unlimited Node capacity, or choose Dedicated Nodes for isolated infrastructure.
Get an Avalanche endpointRun Avalanche mainnet or Fuji nodes on infrastructure you control. Deploy AvalancheGo through Chainstack Self-Hosted, with monitoring, automated updates, and self-healing operations.
Read an AVAX balance on Avalanche C-Chain with eth_getBalance. Use the same JSON-RPC request on mainnet or Fuji.
查看安装指南https://avalanche-mainnet.core.chainstack.com/ext/bc/C/rpc/YOUR_ENDPOINT_IDwss://avalanche-mainnet.core.chainstack.com/ext/bc/C/ws/YOUR_ENDPOINT_ID43114 · AVAXCopy your C-Chain URL from 访问权限和凭据. 替换 YOUR_ENDPOINT_ID with your endpoint ID. Keep /ext/bc/C/rpc before the ID; P-Chain and X-Chain use different paths.
curl --request POST \
--url https://avalanche-mainnet.core.chainstack.com/ext/bc/C/rpc/YOUR_ENDPOINT_ID \
--header 'Content-Type: application/json' \
--data '{
"jsonrpc": "2.0",
"id": 1,
"method": "eth_getBalance",
"params": [
"0x38545c4b331D8BFb3bee94C62D77a6735b5eF8c0",
"latest"
]
}'该 result is a hexadecimal AVAX balance in wei. One AVAX equals 10^18 wei. This request reads the latest executed state without spending AVAX.
Start with free Avalanche RPC for C-Chain mainnet or Fuji. Scale DeFi applications with archive data, debug APIs, higher throughput, and dedicated infrastructure.
所有开发者功能，此外还包括：
附加组件和专用的Node 基础设施将分别计费。
每种付费套餐均提供卓越的支持服务Explore Avalanche endpoint setup, RPC providers, validator infrastructure, and trading integrations.
Connect C-Chain, X-Chain, and P-Chain APIs to your application.
阅读文章
Compare node types, pricing, and developer features.
阅读文章
Explore the infrastructure behind Benqi’s validator deployments.
阅读文章
Connect automated trading workflows to managed RPC infrastructure.
阅读文章探索我们开发者体验团队推出的开源项目。参考实用指南，观看操作演示，并根据您的应用需求修改代码。
Python · 实际应用案例
Read BUIDL token data on Avalanche with a read-only Python SDK. Query metadata and the adapter’s supported price, supply, and compliance information through your RPC endpoint.
Python · RPC 性能
使用 Chainbench 针对该网络的内置配置文件，运行可重复的 RPC 负载测试。根据您的应用程序配置方法组合、并发数和测试时长。
Avalanche RPC is the interface applications use to read Avalanche blockchain data and submit transactions. C-Chain provides Ethereum-compatible JSON-RPC for Solidity applications, while the X-Chain and P-Chain expose different APIs. Chainstack provides managed access to Avalanche mainnet and Fuji. See the Avalanche API reference.
Create a free Chainstack account, create a project, and deploy an Avalanche Global Node on mainnet or Fuji. Open Access and credentials and copy the URL for the chain you need. The Developer plan includes 3 million request units per month, up to 25 requests per second, and one node. No credit card is required.
Your Chainstack C-Chain HTTPS URL follows https://avalanche-mainnet.core.chainstack.com/ext/bc/C/rpc/YOUR_ENDPOINT_ID 用于主网和 https://avalanche-fuji.core.chainstack.com/ext/bc/C/rpc/YOUR_ENDPOINT_ID for Fuji. Copy your complete URL from 访问权限和凭据. The chain path comes before the endpoint ID. See the Avalanche endpoint structure.
Avalanche C-Chain mainnet uses chain ID 43114 (0xa86a), and Fuji C-Chain uses 43113 (0xa869). Both use AVAX for gas. These are EVM chain IDs for C-Chain, not identifiers to reuse for every Avalanche blockchain. See the official C-Chain RPC reference.
C-Chain serves EVM smart contracts through /ext/bc/C/rpc. X-Chain serves native asset APIs through /ext/bc/X. P-Chain serves staking and validator APIs through /ext/P. On Chainstack, append the endpoint ID after the chain path. A custom Avalanche L1 can require its own RPC service; a Primary Network C-Chain endpoint does not automatically expose that L1’s state. See Avalanche endpoint paths 以及 supported methods.
Yes. Use your C-Chain endpoint with MetaMask, ethers.js, viem, web3.py, Hardhat, or Foundry. For C-Chain subscriptions, use wss://avalanche-mainnet.core.chainstack.com/ext/bc/C/ws/YOUR_ENDPOINT_ID, or the corresponding Fuji URL from your node. HTTPS and WSS use different C-Chain paths. Follow the Avalanche tooling guide.
致电 eth_getBalance on C-Chain with an EVM address and a block tag such as latest. The result is a hexadecimal balance in wei, with 10^18 wei per AVAX. It reads the address’s C-Chain AVAX balance, not ERC-20 token balances or funds on the X-Chain or P-Chain. See the Avalanche eth_getBalance reference.
Yes. Chainstack lists Avalanche archive access on Global Nodes for mainnet and Fuji, available from the Growth plan. Use archive access for historical C-Chain balances and contract state. Full requests consume 1 request unit, while archive requests consume 2. Dedicated archive configurations depend on the selected network and current availability. See supported networks and modes and request-unit rules.
Yes. Avalanche debug APIs require a paid plan and an archive node. Supported methods include debug_traceTransaction 以及 debug_traceCall for investigating execution and contract failures. Availability follows the current AvalancheGo API surface, so do not assume every Geth debug method is supported. See Avalanche debug API requirements.
After the Helicon upgrade, latest refers to the last executed block, while safe 以及 finalized refer to the last settled block. Choose the block tag required by your application, especially when reconciling payments or reading contract state for settlement. See the official C-Chain RPC behavior.
Start with the free Developer plan. Paid plans start at $40 per month with annual billing. Unlimited Node adds flat-fee RPC capacity from the Growth plan. Dedicated Nodes start from Pro, with infrastructure billed separately; available modes depend on the selected network. Compare plan features and current Avalanche configurations.
Yes. Chainstack Self-Hosted supports Avalanche mainnet and Fuji using AvalancheGo. It runs a non-validator full node on infrastructure you control, with monitoring, automated updates, and self-healing operations. A Primary Network node serves the built-in chains; custom Avalanche L1 tracking can require additional configuration. Check supported clients and networks and the installation guide.
使用 official Avalanche faucet for Fuji testnet tokens, subject to its eligibility requirements. Connect your application to Fuji C-Chain with chain ID 43113. Testnet AVAX has no monetary value and cannot pay mainnet fees. Chainstack’s faucet portal does not currently list Avalanche Fuji.
Connect to Avalanche C-Chain mainnet at https://avalanche-mainnet.core.chainstack.com/ext/bc/C/rpc/YOUR_ENDPOINT_ID or Fuji at https://avalanche-fuji.core.chainstack.com/ext/bc/C/rpc/YOUR_ENDPOINT_ID. Copy your complete authenticated URL from 访问权限和凭据 and replace the example endpoint ID. Keep the chain path before the ID. Mainnet uses EVM chain ID 43114; Fuji uses 43113. Both use AVAX for gas. See the Avalanche endpoint and tooling guide.
使用 eth_getBalance for AVAX balances, eth_call 关于合同的阅读， eth_getLogs for events, and eth_sendRawTransaction for signed transaction submission. Native AVAX balances use 18 decimals. C-Chain WebSocket connections use /ext/bc/C/ws before the endpoint ID. X-Chain and P-Chain use their own API paths. See the Avalanche API reference 以及 method availability.
Use archive access for historical C-Chain state and a paid-plan archive node for supported debug methods. After Helicon, latest refers to the last executed block, while safe 以及 finalized refer to the last settled block. Select the appropriate block tag for your application. See Avalanche debug requirements 以及 official C-Chain behavior.
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