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Sepolia RPC Endpoint, API Service and Dedicated Nodes

Ethereum Sepolia Testnet

Connect to Sepolia in seconds with OnFinality RPC endpoints, request analytics, scalable rate limits, and 99.99% uptime for production Web3 apps. Deploy full, validator, and archive Sepolia nodes quickly and easily on our globally distributed, multi-cloud, one-click node solution.

Ethereum Sepolia Testnet

Create RPC EndpointDeploy Dedicated Node

Sepolia RPC Endpoint

The below example uses the public API endpoint*. This endpoint is only suitable for testing. To avoid rate limiting and service interruption, sign up now to get your own API key.
curl -H 'content-type:application/json' -d '{"id": 1, "jsonrpc": "2.0", "method": "eth_blockNumber"}' 'https://eth-sepolia.api.onfinality.io/public'
https://eth-sepolia.api.onfinality.io/public
wss://eth-sepolia.api.onfinality.io/public-ws
https://eth-sepolia.api.onfinality.io/beacon/public

* The public endpoint is rate limited

RPC API Service

RPC API Features

ArchiveTrace

RPC Regions

Hong KongN.Virginia

Dedicated Nodes

Node Type

Full

Node Endpoints

JSON-RPCWebSocketsMetrics

Use OnFinality for Sepolia RPC endpoints, Ethereum testnet API access, and developer testing workflows. OnFinality supports teams that need reliable Sepolia RPC infrastructure for contract testing, dApp development, and staging environments before mainnet launch.

Ethereum's Sepolia Testnet

Resources

Additional Info

Project Website
Documentation
RPC API SERVICE
Reliable RPC endpoints with high rate limits
Powerful RPC request analytics
99.99% uptime
Connect via HTTPS or websocket
Decentralised servers hosted globally
Full archive access at no extra cost
PRICING

Calculate Your Costs

Only pay for what you need.

Million Standard Requests
0100M200M300M400M
Total Cost
$49/ month

Recommended Plan: GROWTH

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DEDICATED NODE
Sync chain state in seconds with Lightning Restore
Full control over your node
Extensive suite of monitoring tools
Pay-as-you-go flexibility

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