RPCaaS — Multi-chain RPC Endpoints

Multi-chain RPC endpoints for L2 developers. Read/write Base, Optimism, Arbitrum, Polygon, Ethereum. Pay with USDC.

Quick Start

# Get your API key (coming soon — free tier: 100K requests/day)
curl https://rpc.opsalis.com/v1/base/YOUR_API_KEY \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'

Supported Chains

Chain	Chain ID	Alias
Base	8453	base, base-mainnet, 8453
Optimism	10	optimism, op, 10
Arbitrum One	42161	arbitrum, arb, 42161
Polygon PoS	137	polygon, matic, 137
Ethereum	1	ethereum, eth, 1

Pricing

Tier	Requests/month	Price
Free	3M (100K/day)	$0
Growth	30M	$10/month
Pro	300M	$50/month
Enterprise	Unlimited	$200/month

Project Structure

proxy/          — RPC proxy service (Node.js/TypeScript)
nodes/          — Helm charts for blockchain full nodes
website/        — Cloudflare Pages landing page
provisioner/    — Auto-create API keys on payment
contracts/      — (future) Metering smart contracts
docs/           — Documentation

Development

cd proxy
npm install
npm run dev

License

Proprietary. All rights reserved.