AI-ready infrastructure
Refer and earn
Ethereum
Hyperliquid
Solana
Arbitrum
BNB Smart Chain
Base
Polygon
TRON
Sui
Robinhood
Industry
Best free tier RPCs for web3 builders in 2026
Every RPC provider claims a free tier. Most require a card, throttle you, or expire after 30 days. Chainstack’s Developer plan is the exception — here’s why.
Every RPC provider claims a free tier. Most require a card, throttle you, or expire after 30 days. Chainstack’s Developer plan is the exception — here’s why.
Grove.city has retired. rpc.grove.city endpoints no longer resolve, and paid customers moved to Pocket in Nov 2025. Here’s how to migrate to Chainstack.
Arbitrum and Optimism — Ethereum’s two largest optimistic rollups. Compare their architecture, RPC infrastructure, ecosystems, and tooling for production apps.
AI agents do not pause to think. One reasoning step fires three to seven RPC calls; one cycle hits ten. Inside the anatomy of how agents really talk to chains.
AI agents burst, parallelize, and run 24/7 — breaking RPC assumptions built for dApps. Rate limits, batching, WebSocket subscriptions, and node infra for on-chain agents.
Chainbench is an open-source blockchain RPC benchmark tool that helps developers test, compare, and optimize node performance under real-world conditions.
