Question 1

Ajuna RPC Endpoint: Chain Settings, Connection Options, and Debugging

Accepted Answer

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 wallet or client at an Ajuna RPC endpoint, and how to debug common connection failures.

If you are moving from a public endpoint to something more reliable for production, OnFinality provides RPC API access and dedicated node infrastructure for supported networks. Check the Ajuna network page and RPC pricing to confirm current availability before you migrate.

Question 2

How do I monitor Solana validator uptime with an API endpoint?

Accepted Answer

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, getSlot, getEpochInfo, and getBlockProduction against a reliable RPC endpoint, then comparing the results over time. This article shows the request patterns, the metrics that actually indicate liveness, and how to turn them into a monitoring loop.

You will also learn how to choose an endpoint that can sustain that polling without dropping requests, when a shared public endpoint is enough, and when a dedicated Solana node gives you the consistent access that validator monitoring depends on.

Question 3

What Is RubyIO and How Do You Connect to Its RPC Endpoint?

Accepted Answer

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 or application to it. It also covers how to verify connectivity and troubleshoot common JSON-RPC issues. If you need reliable access without running your own node, OnFinality offers RPC API and dedicated node options across supported networks.

Question 4

Optimism Public RPC Endpoint: How to Connect and When to Switch

Accepted Answer

A public Optimism RPC endpoint lets you read OP Mainnet data and broadcast transactions without running a node. This page gives you the chain settings, a working curl and JavaScript example, and the failure modes you should expect from shared public infrastructure. It also explains when a shared public endpoint stops being the right choice and how to move to a managed or dedicated setup without rewriting your app.

Question 5

How do you read Astar Network TVL and connect to the data?

Accepted Answer

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 rather than from a single on-chain number. Developers who need live TVL, contract balances, or event history query Astar through an RPC endpoint and then aggregate the results themselves.

This page explains where Astar TVL data comes from, how to pull the underlying on-chain values with JSON-RPC and JavaScript, and how to decide between a shared RPC endpoint and dedicated node infrastructure when TVL tracking runs on a schedule.

Question 6

Gnosis RPC Endpoints: Chain Settings, Public Access, and Production Setup

Accepted Answer

Gnosis Chain is an EVM-compatible network with chain ID 100 and xDAI as its native gas token. To interact with it, you need a reliable RPC endpoint that supports standard JSON-RPC methods. This article covers the chain settings, public endpoint options, and how to configure your application for development and production use.

You will learn how to connect using curl, ethers.js, and wallet configurations, plus how to evaluate RPC providers for Gnosis based on workload, archive needs, and failover. OnFinality offers public and dedicated Gnosis RPC endpoints as part of its [RPC API service](/api-service).

Question 7

What is a Solana archive node, and when do you actually need one?

Accepted Answer

A Solana archive node keeps the full ledger history rather than pruning older slots, so you can query historical blocks, transactions, and account states that a standard node has already discarded. Most apps never touch that data, but indexers, analytics pipelines, tax and compliance tooling, and backfill jobs depend on it.

This page explains what archive access changes in practice, how to tell whether your workload needs it, and how to connect through an RPC API or a dedicated node when you do. It also covers the operational tradeoffs, the failure modes you will hit, and how to evaluate a provider before you migrate production traffic.

Question 8

Solana HTTP API: How Do You Connect, Sign, and Debug JSON-RPC Calls?

Accepted Answer

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 body to an RPC endpoint, and the node returns a JSON result or an error object. This article covers the request shape, the methods you will use most, and how to debug the failures that show up in real Solana apps. It also explains when a shared public endpoint is enough and when a dedicated Solana node is the better fit for production traffic.

Question 9

What is the peaq network blockchain, and how do you connect to it?

Accepted Answer

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 tooling works with only a network change, which is why developers usually start by connecting an RPC endpoint and reading chain state.

This page explains what peaq is, how to add it to a wallet, how to make JSON-RPC calls, and how to decide between a shared RPC API and dedicated node infrastructure as your workload grows.

Question 10

What is a Binance Smart Chain archive node and when do you need one?

Accepted Answer

A Binance Smart Chain (BNB Smart Chain) archive node keeps the full historical state of the chain, so you can query balances, storage slots, and contract state at any past block height. Standard full nodes prune old state, which is why historical queries fail against them. Archive access is essential for analytics, tax and accounting tools, indexers, and any backend that needs to reconstruct what happened at a specific block. You can connect to an archive-capable endpoint through OnFinality's RPC API or run a dedicated archive node when your workload needs consistent historical throughput.

Question 11

What is a public Solana RPC endpoint and when should you use one?

Accepted Answer

A public Solana RPC endpoint is a shared, no-signup URL that lets you read from and submit transactions to Solana mainnet without running your own validator or RPC node. It is ideal for learning, prototyping, hackathon demos, and low-volume scripts, but shared capacity means you should expect variable performance and rate limits under load.

This page explains how public Solana RPC works, how to connect with curl and JavaScript, the exact mainnet settings you need, and the point at which a managed or dedicated endpoint becomes the better choice for production apps.

Question 12

BNB Smart Chain RPC: Endpoint Settings, Chain ID, and Debugging

Accepted Answer

BNB Smart Chain (BSC) exposes an EVM-compatible JSON-RPC interface, so most Ethereum tooling works after you point it at a BSC endpoint and set chain ID 56. This page covers the endpoint format, wallet and library configuration, the methods that matter for BSC apps, and how to debug the failures you are most likely to hit.

You can start against the public OnFinality endpoint for quick tests, then move to a managed RPC API or a dedicated node when you need predictable throughput, archive access, or WebSocket subscriptions for production traffic.

API Service

Dedicated Nodes

Enterprise Nodes

Indexer Services

Network Prototyping Tools

Staking & Validators

AI Agent

RPC documentation entries

Ajuna RPC Endpoint: Chain Settings, Connection Options, and Debugging

How do I monitor Solana validator uptime with an API endpoint?

What Is RubyIO and How Do You Connect to Its RPC Endpoint?

Optimism Public RPC Endpoint: How to Connect and When to Switch

How do you read Astar Network TVL and connect to the data?

Gnosis RPC Endpoints: Chain Settings, Public Access, and Production Setup

What is a Solana archive node, and when do you actually need one?

Solana HTTP API: How Do You Connect, Sign, and Debug JSON-RPC Calls?

What is the peaq network blockchain, and how do you connect to it?

What is a Binance Smart Chain archive node and when do you need one?

What is a public Solana RPC endpoint and when should you use one?

BNB Smart Chain RPC: Endpoint Settings, Chain ID, and Debugging

Never Worry about Infrastructure Again

Supported Networks

Product

Company

Resources

Network RPC RPC Assistant

RPC documentation entries

Ajuna RPC Endpoint: Chain Settings, Connection Options, and Debugging

How do I monitor Solana validator uptime with an API endpoint?

What Is RubyIO and How Do You Connect to Its RPC Endpoint?

Optimism Public RPC Endpoint: How to Connect and When to Switch

How do you read Astar Network TVL and connect to the data?

Gnosis RPC Endpoints: Chain Settings, Public Access, and Production Setup

What is a Solana archive node, and when do you actually need one?

Solana HTTP API: How Do You Connect, Sign, and Debug JSON-RPC Calls?

What is the peaq network blockchain, and how do you connect to it?

What is a Binance Smart Chain archive node and when do you need one?

What is a public Solana RPC endpoint and when should you use one?

BNB Smart Chain RPC: Endpoint Settings, Chain ID, and Debugging

Never Worry about Infrastructure Again

Supported Networks

Product

Company

Resources