Illimité Node
Run Unichain indexers and application backends with unlimited requests within your selected RPS tier. Keep monthly RPC costs predictable as request volume grows.
Read Uniswap pool state, index trading activity, and submit swaps with reliable, high-performance Unichain RPC infrastructure.

Connect to Unichain Mainnet or Sepolia through a geo-balanced endpoint. Read liquidity-pool state, follow swap events, and submit signed transactions with standard Ethereum tooling.
Build Unichain trading and liquidity applications with event subscriptions, archive data, and predictable RPC capacity.
Run Unichain indexers and application backends with unlimited requests within your selected RPS tier. Keep monthly RPC costs predictable as request volume grows.
Query historical contract state and backfill event logs for Unichain indexers, accounting, and DeFi analytics.
Inspect Unichain transaction execution, diagnose reverted calls, and investigate internal contract activity with debug APIs.
Read token balances and pool state, simulate calls, and submit signed swaps. Use familiar EVM tools to connect your trading logic to Unichain.
Explore Unichain toolingCollect pool events and decode swap data for analytics, volume tracking, and liquidity dashboards.
Read the Uniswap v4 guideRead historical contract state and events to reconstruct position activity. Build analytics around your own pool and protocol indexes.
Explore archive dataRead balances, estimate gas, and track receipts through HTTPS. Follow blocks and contract logs over WebSocket.
Get a Unichain endpointDeploy and exercise your contracts on chain ID 1301. Use a separate mainnet endpoint when your application is ready for real assets.
Read the Unichain testnet guideChoose Unichain mainnet or Sepolia and an available node configuration to estimate monthly infrastructure costs.
Choose an available Unichain network and node configuration to estimate monthly infrastructure costs.
Customer stories from teams using Chainstack across supported networks.
Read pool state, collect Uniswap v4 swap events, and track transaction receipts through one Unichain RPC endpoint. Keep your trading interface and indexer connected to the same network.
Get a Unichain endpointRun Unichain Mainnet or Sepolia on infrastructure you control. Deploy OP-Reth and OP-Node with monitoring, automated updates, and self-healing operations through Chainstack Self-Hosted.

Read token-transfer events from the latest Unichain block with eth_getLogs.
https://unichain-mainnet.core.chainstack.com/YOUR_ENDPOINT_IDwss://unichain-mainnet.core.chainstack.com/YOUR_ENDPOINT_IDCreate a Unichain node. Copy your authenticated HTTPS URL from Access and credentials and replace YOUR_ENDPOINT_ID in the example.
curl --request POST \
--url https://unichain-mainnet.core.chainstack.com/YOUR_ENDPOINT_ID \
--header 'Content-Type: application/json' \
--data '{
"jsonrpc": "2.0",
"id": 1,
"method": "eth_getLogs",
"params": [
{
"fromBlock": "latest",
"toBlock": "latest",
"topics": [
"0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"
]
}
]
}'The result is an array of matching event logs. For a trading indexer, add your pool or contract address and the event topic you need.
Start with free Unichain RPC. Scale your application with paid plans, higher throughput, and dedicated infrastructure.
Includes:
All Developer features, plus:
Add-ons and Dedicated Node infrastructure are billed separately.
Explore Unichain RPC, application development, and infrastructure guides.

Review network behavior and production RPC considerations.
Read article
Connect your contracts and tools to Unichain Sepolia.
Read article
Explore Unichain infrastructure and supported workflows.
Read article
Connect Hummingbot strategies to managed RPC infrastructure.
Read articleConnect to Unichain Mainnet at https://unichain-mainnet.core.chainstack.com/YOUR_ENDPOINT_ID. Copy the authenticated URL from Access and credentials. Mainnet uses chain ID 130 and ETH for gas. Sepolia uses https://unichain-sepolia.core.chainstack.com/YOUR_ENDPOINT_ID and chain ID 1301. See the Unichain tooling guide.
Utilisation eth_getBalance for ETH balances, eth_call for contract reads, eth_getLogs for event history, and eth_sendRawTransaction for signed transactions. Connect over WebSocket for supported new-block and log subscriptions. For swap analytics, collect and decode contract events as shown in the Uniswap v4 trade-indexing guide.