Layer 2 API Comparison

RPC endpoints and data APIs for Arbitrum, Optimism, and Base

Best L2 APIs for Ethereum Scaling

Layer 2 solutions offer lower fees and faster transactions while maintaining Ethereum security. Choose the right provider for your L2 dApp.

Arbitrum Optimism Base
Arbitrum

Best Arbitrum API Providers

QuickNode

Fast Arbitrum One RPC

  • Free Tier50K requests/day
  • Pro Plan$49/mo
  • ChainsArbitrum One + Nova
  • Uptime99.99%
  • Best ForDeFi dApps
Get QuickNode →

Alchemy

Enterprise Arbitrum infrastructure

  • Free Tier20M compute units
  • Pro Plan$49/mo
  • ChainsArbitrum + 20+
  • Support24/7 priority
  • Best ForEnterprise
Get Alchemy →

Infura

Reliable Arbitrum access

  • Free Tier100K requests/day
  • Pro Plan$225/mo
  • ChainsEthereum + Arbitrum
  • Uptime99.9% SLA
  • Best ForMulti-chain
Get Infura →

Free Arbitrum RPC Endpoints

Public RPC https://arb1.arbitrum.io/rpc
Ankr https://rpc.ankr.com/arbitrum
Blast https://arbitrum-mainnet.public.blastapi.io
Optimism

Best Optimism API Providers

QuickNode

High-performance OP Stack RPC

  • Free Tier50K requests/day
  • Pro Plan$49/mo
  • ChainsOptimism + Base
  • Uptime99.99%
  • Best ForDeFi & Gaming
Get QuickNode →

Alchemy

Optimism Superchain support

  • Free Tier20M compute units
  • Pro Plan$49/mo
  • ChainsOP + Base + Zora
  • Support24/7 priority
  • Best ForSuperchain apps
Get Alchemy →

Infura

Official Optimism endpoints

  • Free Tier100K requests/day
  • Pro Plan$225/mo
  • ChainsEthereum + Optimism
  • Uptime99.9% SLA
  • Best ForMulti-chain
Get Infura →

Free Optimism RPC Endpoints

Public RPC https://mainnet.optimism.io
Ankr https://rpc.ankr.com/optimism
Blast https://optimism-mainnet.public.blastapi.io
Base

Best Base API Providers

QuickNode

Fast Base RPC endpoints

  • Free Tier50K requests/day
  • Pro Plan$49/mo
  • ChainsBase mainnet + testnet
  • Uptime99.99%
  • Best ForConsumer dApps
Get QuickNode →

Alchemy

Base with Superchain features

  • Free Tier20M compute units
  • Pro Plan$49/mo
  • ChainsBase + OP Stack
  • Support24/7 priority
  • Best ForAll Base apps
Get Alchemy →

Ankr

Free public Base RPC

  • Free RPCUnlimited
  • Premium$45/mo
  • Chains70+ networks
  • TypePublic RPC
  • Best ForTesting
Get Ankr →

Free Base RPC Endpoints

Public RPC https://mainnet.base.org
Ankr https://rpc.ankr.com/base
Blast https://base-mainnet.public.blastapi.io