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Try it freeHands-on RPC tutorials, provider comparisons and infrastructure deep-dives from the team building BoltRPC.
Decentralized RPC networks vs dedicated providers: latency consistency, accountability, cost. An operator's honest guide to choosing for production.
What RPC rate limits are, why you hit 429 errors, plus how to design around them: batching, caching, quota models.
How BoltRPC calculates RPC costs: fixed method weights, full RU table, worked examples per plan, tips to reduce usage. Transparent pricing, no surprises.
How to implement load balancing for blockchain RPC: round-robin, latency-based and method-based routing, failover, provider vs app-level strategies.
Working BNB Chain RPC endpoints with ethers.js and Web3.py setup, rate limits, PoSA quirks, and how to get a dedicated BSC endpoint with a free 2-week trial.
Query the Beacon Chain REST API: validator status, finality checkpoints, sync committees. Copy-paste curl, JavaScript and Python examples that work in 2026.
Polygon Amoy testnet RPC endpoint, chain ID 80002, MetaMask setup, working faucets, plus ethers.js and Web3.py examples to deploy your first contract today.
Why 1M requests can cost 3x more on compute-unit pricing: method weights, DeFi workload math, and how fixed request units keep costs predictable.
Read real-time token prices from Uniswap, Chainlink and Curve directly via RPC using eth_call. Includes caching strategy, multi-source aggregation and production patterns.
How to check ERC-20 token balances, allowances, transfer history, approvals directly via RPC using ethers.js. Covers Multicall3 batching, event indexing, production patterns.
Build a production-grade eth_getLogs pipeline: chunking, deduplication, reorg handling, retry logic, and storage patterns for indexing events at scale.
Point viem at any custom RPC in three lines: http and webSocket transports, fallback chains, wagmi config and multi-chain clients, with copy-paste code.
RPC infrastructure MEV searchers need: latency, mempool access, Flashbots endpoints, WebSocket patterns, and provider selection criteria.
Build a production-grade smart contract event monitor using ethers.js WebSocket subscriptions. Covers reconnection logic, missed event recovery, multi-contract monitoring and alerting.
Read NFT ownership, metadata, transfer history directly via RPC using ethers.js. Covers ERC-721 and ERC-1155 patterns, tokenURI, batch ownership checks, event indexing.
How to protect your blockchain RPC API keys in production. Covers environment variables, backend proxies, IP whitelisting, key rotation and what happens when a key is compromised.
The Graph and direct RPC endpoints solve different problems. When to use each, when to combine them, how to decide from your app's data requirements.
Compare web3.js and ethers.js for Ethereum development. Covers bundle size, API design, TypeScript support, ethers.js v6 changes plus which to choose for your project.
Real-time Ethereum event listening with ethers.js v6 and WebSocket. Covers contract events, new block subscriptions, log filters, reconnection handling and production patterns.
7 factors that separate reliable RPC providers from outages: pricing, latency, chain coverage, support. Includes an evaluation checklist.
Building on more than one chain? How to manage multi-chain RPC endpoints with one API key, avoid common pitfalls, keep your infrastructure simple as you scale.
How to dramatically reduce RPC call volume in DeFi applications using Multicall3, response caching, batch requests and WebSocket subscriptions instead of polling.
How to implement RPC failover for your dApp using ethers.js FallbackProvider, health checks, circuit breakers and multi-provider strategies. Prevent downtime before it happens.
Real cost breakdown: running your own Ethereum node vs using an RPC provider. Hardware, maintenance, syncing time, and when each makes sense. Updated 2026.
WebSocket or HTTP for your RPC calls? Learn when to use each for DeFi, trading bots, wallet apps, with real code examples. Blockchain-first guide.
gRPC vs JSON-RPC compared: how each protocol works, real performance differences, and why every blockchain node speaks JSON-RPC while gRPC rules microservices.
RPC vs REST explained for developers. How each works, when to use each, side-by-side code examples plus why every blockchain on earth runs on RPC, not REST.
Production framework for RPC reliability in Web3 dApps: multi-provider failover, retry logic, monitoring, and the latency thresholds that matter.
When to upgrade from shared to dedicated RPC nodes: a decision framework with cost math, latency thresholds, real triggers for production teams.
Enjin RPC guide: Matrix and Relay Chain endpoints, Polkadot.js, Substrate methods, NFT queries, gaming patterns, and production issues.
Connect to the Ethereum Hoodi Beacon Chain REST API: validator lifecycle testing, finality checkpoints, staking workflows, curl and JavaScript examples.
Connect to the Ethereum Sepolia Beacon Chain REST API. Covers testnet withdrawal testing, validator queries, finality checkpoints, curl and JavaScript examples.
Connect to Ethereum Sepolia with ethers.js, viem, Web3.py, and curl. Chain ID, endpoints, contract deployment, CI/CD, and common issues.
Complete ApeChain RPC guide covering public endpoints, ethers.js, Web3.py, curl examples, AnyTrust architecture, NFT mint traffic, production patterns.
Arbitrum RPC guide: HTTP vs WebSocket, Arbitrum-specific methods, ethers.js setup, common issues, how to choose a reliable provider.
Complete Moonbeam RPC guide covering public endpoints, ethers.js, Web3.py, curl examples, XCM cross-chain methods, Moonbeam-specific API, production patterns.
Complete Moonriver RPC guide covering public endpoints, ethers.js, Web3.py, curl examples, Moonbeam canary network deployment patterns, production issues.
2026 Polygon RPC guide: connect with ethers.js and Web3.py, key JSON-RPC methods, common issues, and how to choose a reliable provider.
2026 Solana RPC guide: connect with @solana/web3.js, core methods, commitment levels, and patterns for reliable production apps.
Complete Sonic RPC guide covering public endpoints, ethers.js, Web3.py, curl examples, fast-block polling strategy, WebSocket subscriptions, production issues.
Smart contracts for developers in 2026: how they work, how you write them, interact via RPC, and their real production limitations.
Complete X Layer RPC guide covering public endpoints, ethers.js, Web3.py, curl examples, OKX zkEVM architecture, ZK proof finality, production patterns.
Avalanche RPC guide: C-Chain vs X-Chain vs P-Chain, key JSON-RPC methods, ethers.js and Web3.py setup, Snowman consensus, provider selection.
How to connect to a Base mainnet RPC endpoint, use OP Stack methods, handle production issues, choose the right provider for your dApp or backend.
Connect to Ethereum Hoodi testnet with ethers.js, Web3.py, curl. Covers RPC methods, faucet links, smart contract testing workflow, common issues.
Ethereum RPC guide for developers: connect with ethers.js, Web3.py plus curl, key JSON-RPC methods, EIP-1559 fees, finality tags, production fixes.
Technical guide to Linea RPC endpoints: ZK-EVM architecture, key JSON-RPC methods, ethers.js and Web3.py setup, provider selection for production.
Optimism RPC guide: custom endpoints, provider comparison, OP Stack methods, HTTP vs WebSocket, ethers.js setup, and production issues.
Scroll RPC guide: ethers.js, Web3.py, curl. ZK-EVM architecture, finality stages, L1 data fees, provider selection, and dedicated node options.
Starknet RPC guide for developers: connect with starknet.js, use core starknet_ methods, handle native account abstraction, avoid common migration mistakes.
zkSync Era RPC guide: zks_ methods, ethers.js and Web3.py setup, account abstraction, Paymaster patterns, provider selection for production.
What RPC infrastructure a production liquidation bot needs — latency, mempool monitoring, health factor scanning, Flashbots submission and failover patterns for DeFi protocols.
Connect web3.py to a custom RPC endpoint. Covers HTTP and WebSocket providers, contract reads, event filtering, async support, and production configuration patterns.
The Ethereum JSON-RPC API methods you will actually use. Covers eth_call, eth_getLogs, eth_getBalance, eth_sendRawTransaction and more with real code examples.
Step-by-step guide to connecting to Ethereum using ethers.js v6. Covers HTTP provider, WebSocket provider, signing transactions, reading contracts and error handling.
Every RPC error your dApp will encounter and exactly how to handle each one. Covers ethers.js v6 error types, retry logic, transaction failure debugging and production patterns.
What is a blockchain node? Developer guide to node types, RPC connections, and when to self-host vs use a managed RPC provider.
JSON-RPC explained for blockchain developers. How it works, real code examples, common Ethereum methods, error handling plus why every Web3 app depends on it.
Remote Procedure Call (RPC) explained: how it works, real examples, RPC vs REST, and why blockchain developers need reliable RPC infrastructure. Read the guide.