Hemi RPC Endpoint
Flat-rate Hemi RPC provider and Hemi RPC node access: free tier, no KYC, HTTP & WebSocket. Hemi mainnet chain ID 43111.
https://rpc.swiftnodes.io/rpc/hemi?key=YOUR_API_KEYwss://rpc.swiftnodes.io/ws/hemi?key=YOUR_API_KEYHemi is a modular network that connects Bitcoin and Ethereum, with an EVM (the hVM) that can read Bitcoin state. Access Hemi RPC endpoints with SwiftNodes.
hemiHemi on the SwiftNodes fleet, right now
9 of 12 probed RPC methods supported (archive, batch, debug_traceCall, eth_getProof). The gaps are listed per chain in the method support matrix.
Status and latency from our health checks, refreshed about every 5 minutes. Uptime history. Method support probed automatically on 2026-10-04. Network status
Hemi developer facts, measured
- Block time:
- ~12 s (average of the last 1,000 blocks)
- Finality:
- the finalized tag trails the head by ~117 blocks (~23 min)
- eth_getLogs range:
- 50,000-block ranges accepted (the largest we test)
- Historical state:
- readable at least 1,000,000 blocks back
Measured 2026-10-04 through this page's endpoint, re-measured weekly. Limits can differ between the upstream nodes behind it. All chains: measured chain facts.
Hemi Mainnet RPC URL (HTTP)
https://rpc.swiftnodes.io/rpc/hemi?key=YOUR_API_KEYHemi WebSocket RPC URL
wss://rpc.swiftnodes.io/ws/hemi?key=YOUR_API_KEYQuick Start: Connect to Hemi
cURL
curl -X POST https://rpc.swiftnodes.io/rpc/hemi?key=YOUR_API_KEY \
-H "Content-Type: application/json" \
-d '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'ethers.js
import { JsonRpcProvider } from "ethers";
const provider = new JsonRpcProvider(
"https://rpc.swiftnodes.io/rpc/hemi?key=YOUR_API_KEY"
);
const blockNumber = await provider.getBlockNumber();
console.log("Hemi block:", blockNumber);viem
import { createPublicClient, http } from "viem";
const client = createPublicClient({
transport: http("https://rpc.swiftnodes.io/rpc/hemi?key=YOUR_API_KEY"),
});
const blockNumber = await client.getBlockNumber();web3.py
from web3 import Web3
w3 = Web3(Web3.HTTPProvider("https://rpc.swiftnodes.io/rpc/hemi?key=YOUR_API_KEY"))
print("Hemi block:", w3.eth.block_number)Add Hemi to MetaMask
https://rpc.swiftnodes.io/rpc/hemi?key=YOUR_API_KEYwss://rpc.swiftnodes.io/ws/hemi?key=YOUR_API_KEYFeatures of SwiftNodes for Hemi
- Load-balanced across multiple upstream nodes wherever a chain has more than one, with automatic failover
- Health-checked every 2 minutes with automatic failover
- Free tier available — no credit card or KYC required
- Flat-rate monthly pricing with no per-request fees
- HTTP and WebSocket support
- One API key works across all 75+ supported chains, including Hemi
Rate Limits
| Plan | Price | HTTP req/s | WS msg/s |
|---|---|---|---|
| Free | $0/mo | 2 | 1 |
| Starter | $49/mo | 50 | 25 |
| Growth | $89/mo | 150 | 75 |
| Scale | $149/mo | 300 | 150 |
| Pro | $249/mo | 500 | 250 |
Related L2 & rollup chains
Explore RPC endpoints for other L2 & rollup networks on SwiftNodes:
Ready to start building on Hemi? Connect your wallet and get a free API key in 30 seconds. No email or KYC required.