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...
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...
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, ...
Ajuna RPC Endpoint: Chain Settings, Connection Options, and Debugging
Ajuna is a Polkadot-based network designed for gaming and on-chain application workloads. This page covers what developers need to connect to it: the chain settings, how to point a...
How do I monitor Solana validator uptime with an API endpoint?
Solana validator uptime is not exposed through a single dedicated uptime endpoint. Instead, you derive it by polling standard Solana JSON-RPC methods such as getVoteAccounts, getSl...
What Is RubyIO and How Do You Connect to Its RPC Endpoint?
RubyIO is a blockchain network tracked in OnFinality's supported network catalog. This page explains what RubyIO is, how to identify its RPC endpoint, and how to connect a wallet o...
How do you read Astar Network TVL and connect to the data?
Astar Network TVL measures the total value locked across DeFi contracts on the Astar and Soneium-aligned ecosystem, and it is usually read from indexers or analytics dashboards rat...