Ethereum RPC
Relay

Deterministic failover, cache, and pricing for DeFi bots. One URL, zero latency surprises.

⚡ 250x Faster Than Alchemy

Get your API key

Create your free token in one click

Free

Get started instantly with a free API key.

• 500 requests/day
• Sub-300ms uncached
• Instant failover
• Never expires

Pro

$49 USDC

⚡ 250x faster than Alchemy

• 50,000 requests/day
• Sub-2ms cached reads
• Priority failover
• WebSocket support

How to Use Your Token

Endpoint: https://rpc-cache-worker.rpc-relay-cache.workers.dev/api/v1/rpc

cURL

curl https://rpc-cache-worker.rpc-relay-cache.workers.dev/api/v1/rpc \
  -H "Authorization: Bearer ***" \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"eth_blockNumber","params":[]}'

JavaScript

fetch('https://rpc-cache-worker.rpc-relay-cache.workers.dev/api/v1/rpc', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_TOKEN',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    jsonrpc: '2.0',
    id: 1,
    method: 'eth_blockNumber',
    params: []
  })
})

Python

import requests
response = requests.post(
    'https://rpc-cache-worker.rpc-relay-cache.workers.dev/api/v1/rpc',
    headers={'Authorization': 'Bearer YOUR_TOKEN'},
    json={'jsonrpc': '2.0', 'id': 1, 'method': 'eth_blockNumber', 'params': []}
)
print(response.json())

Authentication

Authorization: Bearer YOUR_TOKEN