Technical explainers, troubleshooting playbooks, and infrastructure guidance shaped by the questions developers search for.
Learn how to query Solana historical data via JSON-RPC: getSignaturesForAddress, getTransaction, getBlock, and pagination patterns, with practical limits and production considerations.
Read articleLearn how Ethereum RPC providers meter requests by compute-unit cost, why eth_getLogs and archive methods dominate, and how to fix 429 errors with batching, caching, backoff, and dedicated endpoints.
Read articlePolygon RPC 429 errors occur when requests exceed rate limits. Learn the causes, how to diagnose them, and practical fixes including batching, WebSocket subscriptions, and backoff strategies.
Read articleLearn how Sui RPC rate limits and compute-unit accounting work, how to avoid 429s with pagination and cost-shaping queries, and how to handle backoff in the Sui TypeScript SDK.
Read articleLearn how to subscribe to Hyperliquid's real-time WebSocket feeds (l2Book, trades, candles, allMids, userEvents, orderUpdates), handle heartbeats, and implement a robust reconnection strategy with runnable Python and Node.js examples.
Read articleLearn how to measure Bittensor (TAO) RPC latency and performance yourself, understand the Substrate JSON-RPC surface, and choose between hosted endpoints and running your own node.
Read articleUnderstand Base RPC rate limits, 429 errors, and how to build a reliable setup with monitoring, failover, and scaling strategies.
Read articlePublic BSC RPC endpoints can fail or time out under load. Learn why, how to set timeouts and retries, monitor health, and build a fallback chain for production.
Read articleLearn how to connect to Base mainnet and Sepolia via WebSocket RPC, use Flashblocks for sub-second block events, and build reliable subscriptions with ethers.js and viem.
Read articleLearn how to run a Bittensor (TAO/Finney) Substrate node, choose between lite and archive modes, connect via WSS RPC, and verify node health with JSON-RPC calls. Includes a decision guide for self-hosted vs hosted RPC endpoints.
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Base
Arbitrum
BNB Chain
Polkadot
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