RPC documentation entries
Explore practical RPC guides for developers, builders, and teams creating reliable Web3 applications and growing blockchain ecosystems with OnFinality.
How do I connect to the TON testnet?
The TON testnet is a public sandbox for building and testing smart contracts, wallets, and dApps without risking mainnet assets. This guide covers the key endpoints, faucets, and p...
What are private RPC endpoints for dapps and when should you use them?
A private RPC endpoint is a unique URL with an API key that gives your dapp its own authenticated lane into a node provider's infrastructure. Unlike public endpoints shared by all ...
What is the xx network and how do developers interact with it?
The xx network is a quantum-resistant, privacy-focused blockchain with a decentralized mixnet. It uses a Substrate-based chain and offers RPC endpoints for developers. This article...
What is the Bittensor network and how do you connect to it?
Bittensor is a decentralized machine intelligence network where independent subnets produce digital commodities like compute, inference, and storage, and contributors earn TAO. Thi...
How do you check Arbitrum One uptime and what does it mean for your dApp?
Arbitrum One uptime is tracked on the official Arbitrum status page, which reports the health of core components like the sequencer, batch poster, validator, and feed. For dApp dev...
Bittensor TAO Mining: How to Start, What Hardware You Need, and How to Stay Online
Bittensor TAO mining is not traditional proof-of-work mining. Miners register a hotkey on a subnet and provide useful work—compute, inference, storage, or prediction—that validator...
What is the best JSON-RPC API provider for blockchain projects?
Choosing a JSON-RPC API provider is a critical infrastructure decision for any blockchain project. The best provider depends on your specific workload, chain requirements, and budg...
Asset Hub Polkadot: What It Is and How to Connect Your dApp
Asset Hub Polkadot is the system parachain that hosts assets, NFTs, and smart contracts for the Polkadot ecosystem. This article explains its role, key features, and how to connect...
What are dedicated Web3 servers and when should you use them?
Dedicated Web3 servers are single-tenant physical machines used to run blockchain nodes, validators, indexers, and dApp backends. They offer predictable performance and full contro...
What is a dedicated TON node and when should you use one?
A dedicated TON node is a full or archive node deployed exclusively for your project, giving you a private RPC endpoint with isolated compute resources. This article explains the d...
What is the Arbitrum RPC endpoint and how do you use it?
Arbitrum RPC endpoints let wallets and dApps read and write data on Arbitrum One, Arbitrum Nova, and Arbitrum Sepolia. This guide covers the official public endpoints, chain settin...
What is an Abstract RPC provider and how do you evaluate one?
An Abstract RPC provider gives your dApp a JSON-RPC endpoint to the Abstract Layer 2 network, which is a zero-knowledge rollup built on the ZK Stack. Providers handle node operatio...
Ethereum
Solana
Polygon
Base
Arbitrum
BNB Chain
Polkadot
Optimism
