Arbitrum Sepolia API Comparison

Compare the best Arbitrum Sepolia testnet APIs for your dApp testing. QuickNode vs Alchemy vs Ankr. Find the best Arbitrum Sepolia RPC provider.

Best RPC Providers for Arbitrum Sepolia Testnet

Arbitrum Sepolia is the testnet for Arbitrum, an Optimism-based Layer 2. Test your dApps before deploying to mainnet.

Top Arbitrum Sepolia APIs

QuickNode

Fast global blockchain infrastructure

  • Free Tier50K requests/day
  • Paid PlansFrom $49/mo
  • SpeedGlobal CDN
  • Chains30+ networks
  • Best FordApps & games
Try QuickNode →

Alchemy

Enterprise-grade blockchain infrastructure

  • Free Tier20M compute units
  • Paid PlansFrom $49/mo
  • Support24/7 Priority
  • AnalyticsBuilt-in
  • Best ForEnterprise dApps
Try Alchemy →

Ankr

Free public RPC + premium tier

  • Free TierUnlimited (public)
  • Paid PlansFrom $29/mo
  • Chains40+ networks
  • TypeRPC + REST
  • Best ForHobby projects
Try Ankr →

Infura

Proven Ethereum-compatible API

  • Free Tier100K requests/day
  • Paid PlansFrom $225/mo
  • Uptime99.9% SLA
  • EVMFull support
  • Best ForMulti-chain apps
Try Infura →

Arbitrum Sepolia API Use Cases

For dApp Testing

Test your smart contracts and dApps on Arbitrum Sepolia before mainnet deployment.

For Development

QuickNode and Alchemy provide excellent developer tools for testing and debugging.

For Learning

Ankr public RPC is free. Start building on Arbitrum testnet without any cost.

For CI/CD

Integrate Arbitrum Sepolia into your testing pipelines for automated smart contract testing.

Ready to Build on Arbitrum Sepolia?

Get started with the right Arbitrum Sepolia RPC provider.

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