RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
What are the hardware and software requirements for running a BNB Chain node?
Running a BNB Smart Chain node requires meeting specific hardware baselines for CPU, RAM, disk, and network bandwidth, plus choosing between full, archive, and validator node confi...
Which Solana RPC providers offer the best rate limiting and usage tiers?
Rate limiting and usage tiers determine how many requests per second (RPS) or compute units you can send to a Solana RPC endpoint before throttling begins. The best fit depends on ...
Solana RPC Provider with Dedicated Node Access: When to Move Off Shared Endpoints
Shared Solana RPC endpoints are fine for prototyping, but they introduce noisy-neighbor effects, tighter request budgets, and unpredictable latency once your app hits production tr...
Solana Dedicated Nodes for Scalable Enterprise Applications
Solana's high-throughput design puts unusual pressure on RPC infrastructure: shared endpoints can throttle under bursty workloads, and enterprise applications often need predictabl...
Which Solana RPC providers offer dedicated nodes for production apps?
Dedicated Solana nodes give your app its own RPC capacity instead of sharing a public pool, which matters when you rely on high request volume, WebSocket subscriptions, or consiste...
How Do You Evaluate API Access for Solana Validator Service Providers?
Solana apps need more than a single RPC URL. They need reliable API access to validator-backed infrastructure that can serve standard JSON-RPC calls, WebSocket subscriptions, and h...
Amoy Polygon: What Is It and When Should You Use It?
Amoy Polygon is the current Polygon proof-of-stake testnet, replacing the deprecated Mumbai network. It runs the same client stack as Polygon mainnet (Bor and Heimdall) with chain ...
Solana HTTP API: How Do You Connect, Sign, and Debug JSON-RPC Calls?
The Solana HTTP API is the JSON-RPC interface your app uses to read accounts, submit transactions, and query the cluster over standard HTTPS. You send a POST request with a JSON bo...
Sepolia RPC Endpoint: Public URLs, Chain Settings, and When to Move Off Them
A public Sepolia RPC endpoint is a shared, no-signup HTTPS URL that lets you read state and broadcast transactions on the Ethereum Sepolia testnet. It is the fastest way to point a...
What is the peaq network blockchain, and how do you connect to it?
peaq is a Layer-1 blockchain built for machines, vehicles, robots, and other devices that need on-chain identity, payments, and data. Its EVM-compatible runtime means most Ethereum...
Mining TAO on Bittensor: How Do You Keep a Miner Registered and Rewarded?
Mining TAO on Bittensor is not proof-of-work hashing. You register a hotkey on a subnet, run a miner that produces the task that subnet rewards, and keep a chain connection healthy...
What Does Bittensor Subnet Registration Cost in 2025?
Bittensor subnet registration cost is not a fixed fee. It is set by the network's dynamic registration mechanism, which raises the cost each time a subnet is registered and decays ...