RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
Can You Suggest APIs That Allow Seamless Integration of Solana Staking?
Solana staking integration is not a single API call. You combine RPC access for reading stake accounts and submitting transactions, a staking program interface (native staking or a...
Bittensor Tutorial: How to Connect, Query, and Build on Subtensor
This tutorial walks through the practical parts of building on Bittensor: connecting to the Subtensor chain over RPC, reading metagraph and subnet state, and submitting extrinsics ...
Bittensor Mining Tutorial: How Do You Keep a Miner Registered and Online?
Bittensor mining is not hash-rate mining. Miners run a model or service inside a subnet, register a hotkey on the Subtensor chain, and earn emissions when their responses are score...
What Is a TON Public Node and When Should You Use One?
A TON public node is a shared RPC endpoint that lets you read TON blockchain data and submit transactions without running your own node. It is the fastest way to get a wallet, scri...
Free Solana API: What You Actually Get and When to Move On
A free Solana API gives you an HTTP and WebSocket endpoint that speaks Solana's JSON-RPC methods, so you can read accounts, send transactions, and subscribe to logs without running...
Polkadex RPC: Connecting Apps to the Orderbook Chain
Polkadex is a Polkadot-based network for non-custodial trading, with an orderbook engine and a Substrate/Polkadot.js-style RPC interface. This page explains what developers typical...
When did peaq mainnet launch, and what does it mean for your 2025 build?
peaq's mainnet went live in 2024, moving the DePIN-focused Layer 1 from testnet experiments to a production network where machines, vehicles, and IoT devices can register identitie...
How to Mine Solana: Why You Can't, and What to Do Instead
Solana does not use proof-of-work mining, so there is no way to mine SOL with GPUs or ASICs. The network runs on a proof-of-stake plus proof-of-history model where validators stake...
Bittensor Subnet 123: What Is It and How Do You Connect?
Bittensor Subnet 123 is one of the numbered incentive-based subnets that run on top of the Bittensor network. Each subnet has its own task, miner and validator incentive design, an...
Polygon RPCs: How to Pick an Endpoint That Survives Production Traffic
Polygon RPCs are the HTTP and WebSocket endpoints your app uses to read chain state, submit transactions, and subscribe to events on Polygon PoS. The endpoint you pick early tends ...
Which Solana RPC Methods Do You Actually Need in Production?
Solana exposes a JSON-RPC interface with a broad set of methods for reading accounts, submitting transactions, and subscribing to live updates. The methods you enable depend on you...
What should I know about the peaq network?
peaq is a Layer-1 blockchain purpose-built for Decentralized Physical Infrastructure Networks (DePIN) and machine economies. It provides the settlement layer, identity primitives, ...