OnFinality RPC Assistant

Logo
New RPC users get 35% off their first monthView the offer
RPC Knowledge Base

RPC documentation entries

Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.

RPC Provider SelectionSolana

QuickNode Solana WebSocket: What Developers Should Compare

If you are searching for a QuickNode Solana WebSocket endpoint, you are usually trying to wire up real-time Solana data: account changes, program logs, slot notifications, or trans...

Network RPCSolana

How do you evaluate the fastest Solana RPC for your workload?

There is no single fastest Solana RPC endpoint, because latency depends on where your app runs, which methods it calls, and whether it needs WebSocket or archive data. The practica...

Network RPCBNB Chain

RPC BNB: How Do You Connect to BNB Smart Chain and Pick the Right Endpoint?

This page explains what an RPC endpoint for BNB Smart Chain (BNB Chain) is, how to connect to mainnet and testnet, and how to choose between public, shared, and dedicated infrastru...

Network RPCSolana

Free Solana RPC nodes: when are they enough for your app?

Free Solana RPC nodes are public or shared endpoints that let you read chain data and submit transactions without a paid plan. They are useful for prototypes, local development, wa...

Network RPCAvalanche

Base Network RPC: How Do I Connect and Which Endpoint Should I Use?

Base is an Ethereum Layer 2 built on the OP Stack, so its RPC interface is JSON-RPC compatible with Ethereum tooling. You connect by pointing a client at a Base endpoint with chain...

Testnet RPCBase

What is Base Sepolia and when should you use it?

Base Sepolia is the testnet for Base, an Ethereum Layer 2 built on the OP Stack. It mirrors Base mainnet's EVM behaviour with chain ID 84532 and test ETH, so you can deploy contrac...

Network RPCBittensor

What does a Bittensor mining app actually need from RPC infrastructure?

A Bittensor mining app is not a single product you download. It is a stack: a miner process that registers a hotkey on a subnet, a validator or metagraph reader that tracks subnet ...

Network RPCSolana

Solana RPC API Documentation: Endpoints, Methods, and Debug Path

Solana's RPC API is the JSON-RPC interface your app uses to read accounts, submit transactions, and subscribe to on-chain events. This reference walks through the endpoint shape, t...

Network RPCBNB Chain

What is a Smart Chain RPC URL and how do I connect to BNB Smart Chain?

A Smart Chain RPC URL is the HTTP or WebSocket endpoint your wallet, dApp, or backend uses to read BNB Smart Chain state and broadcast transactions. It carries JSON-RPC calls such ...

Network RPCSolana

Scalable Solana gRPC Endpoints for Enterprise Use: What to Evaluate

Solana's gRPC interfaces (Geyser plugin streams and the Yellowstone-style gRPC proxy) push account, slot, block, and transaction updates to your backend instead of forcing you to p...

Blockchain InfrastructureEfinity

Polygon Node Hosting: When to Rent Infrastructure Instead of Running It

Polygon node hosting means running the Polygon PoS stack — an Erigon or Bor-style execution client plus a Heimdall consensus client — on infrastructure someone else operates, so yo...

Network RPCBNB Chain

BNB RPC List: Which Endpoints Should Your App Connect To?

A BNB RPC list is only useful if you know which endpoint type fits your workload. This page breaks BNB Smart Chain endpoints into public, managed, and dedicated categories, then sh...

Never Worry about Infrastructure Again

OnFinality takes away the heavy lifting of DevOps so you can build smarter and faster.

Get Started