Question 1

RPC TON Network: Endpoints, Provider Comparison, and Troubleshooting

Accepted Answer

Looking for an RPC TON network endpoint? This guide compares TON RPC providers, provides step-by-step setup instructions, and highlights common pitfalls to help you choose the best infrastructure for your dApp, wallet, or bot.

Question 2

What is the Ethereum blockchain API and which provider should you use?

Accepted Answer

The Ethereum blockchain API allows applications to read data and send transactions to the Ethereum network. It typically uses JSON-RPC over HTTP or WebSocket, and includes methods for querying balances, sending transactions, and interacting with smart contracts. Developers can either run their own node or use an RPC provider to access the API without managing infrastructure. When choosing a provider, consider factors like request limits, latency, archive data support, and WebSocket availability. Services like OnFinality offer scalable RPC endpoints for Ethereum mainnet and testnets, with options for dedicated nodes.

Question 3

Solana Devnet RPC Endpoint: Chain Settings, Faucet, and Setup

Accepted Answer

Solana Devnet is a test network for developers to deploy and test programs before mainnet. This page covers the public devnet RPC endpoint, chain settings, faucet for devnet SOL, common RPC methods, and how to choose a reliable provider for consistent testing.

Question 4

BNB Smart Chain RPC Provider: Endpoints, Evaluation Criteria, and How to Choose

Accepted Answer

Learn how to evaluate and select an RPC provider for BNB Smart Chain. This guide covers chain settings, default endpoints, a comparison of evaluation criteria, and a step-by-step decision checklist for production dApps.

Question 5

How to Choose the Best Solana API for Your Project

Accepted Answer

Choosing the right Solana API is critical for building reliable dApps. This guide breaks down the Solana API landscape, including RPC, data, and market data layers, and provides a decision framework to evaluate providers based on latency, uptime, data freshness, and cost.

Question 6

TON API: How to Choose and Use Endpoints for Mainnet and Testnet

Accepted Answer

TON API services provide HTTP and WebSocket access to the TON blockchain. Developers can choose between public endpoints, hosted APIs like TON Center and TonAPI, or dedicated node infrastructure from providers like OnFinality. This article compares available options, lists endpoint settings, and covers common setup and debugging steps.

Question 7

Fantom API: Methods, Endpoints, and How to Start Building

Accepted Answer

The Fantom API provides JSON-RPC methods for interacting with the Fantom Opera blockchain, covering balances, transactions, event logs, gas estimation, and debugging. This reference covers public endpoints, supported methods, and how to connect reliably for production dApps.

Question 8

What to Look for in a Dedicated Node as a Service Provider

Accepted Answer

Dedicated nodes as a service (DNaaS) provide exclusive, managed blockchain infrastructure for a single project, eliminating resource contention and offering full control over node configuration. When evaluating providers, focus on supported chains, performance guarantees, customization options, and operational support to ensure your Web3 application gets the reliability it needs without the overhead of self-hosting.

Question 9

How do I configure and use the BNB Chain testnet endpoint for development?

Accepted Answer

The BNB Chain testnet (chain ID 97) is an EVM-compatible environment for testing dApps and smart contracts before mainnet deployment. This guide covers chain settings, RPC endpoints, faucet usage, and common debugging tips to help you get started quickly with reliable testnet infrastructure.

Question 10

Ethereum RPC Endpoint: Chain Settings, Setup, and Debugging

Accepted Answer

Ethereum RPC (Remote Procedure Call) is the standard protocol for interacting with the Ethereum blockchain. It allows applications to send transactions, query data, and invoke smart contracts via JSON-RPC methods. This guide covers Ethereum mainnet and testnet chain settings, public and private RPC endpoints, common methods, and troubleshooting tips to help developers integrate and debug Ethereum RPC effectively.

Question 11

Blockchain Node as a Service: Key Criteria for Choosing a Provider

Accepted Answer

Blockchain node as a service (also called node-as-a-service or NaaS) lets developers access blockchain nodes without running, syncing, or maintaining their own infrastructure. Instead, a provider manages the hardware, node software, and networking, exposing API endpoints for your dApp to interact with the blockchain. This article outlines the key criteria you should evaluate when selecting a provider — from network coverage and node types to pricing and support — so you can make an informed decision for your Web3 project.

Question 12

BNB Smart Chain Testnet: Chain Settings, Faucet, and Debugging Tips

Accepted Answer

## BNB Smart Chain Testnet: Chain Settings, Faucet, and Debugging Tips

The BNB Smart Chain Testnet (also known as BSC Testnet) is a public EVM-compatible test environment that mirrors the BNB Smart Chain mainnet. It uses tBNB as a valueless gas token, allowing developers to deploy and test smart contracts, dApps, and integrations without financial risk. This guide provides the essential chain settings, faucet information, common debugging issues, and tips for selecting a reliable RPC provider for your testnet development.

Question 13

Best Crypto Bridge API: What Should Developers Evaluate Before Integrating?

Accepted Answer

A crypto bridge API provides a programmatic interface for moving assets or data across blockchains. While many services offer bridge APIs, their performance and reliability depend heavily on the underlying RPC infrastructure. This article outlines the key criteria developers should consider when choosing a bridge API, with a focus on how RPC endpoint quality impacts bridge operations. We'll also discuss how OnFinality's RPC services can support bridge infrastructure needs.

Question 14

Solana RPC Providers: How to Pick the Right One for Your dApp

Accepted Answer

Choosing a Solana RPC provider is critical for dApp performance and reliability. This guide helps developers evaluate shared vs dedicated nodes, uptime, latency, and API features to make an informed decision for production use.

Question 15

Dedicated vs Shared Node Access: A Practical Comparison for Web3 Developers

Accepted Answer

Dedicated node access gives you an exclusive blockchain node with guaranteed resources and clear rate limits. Shared node access pools multiple users onto the same node, offering lower cost but potential performance contention. This comparison covers tradeoffs in latency, reliability, cost, and scalability to help you choose the right setup for your dApp or validator infrastructure.

Question 16

What Is Node Access in Solana RPC Services?

Accepted Answer

Node access in Solana RPC services refers to the type and level of connectivity your application has to the Solana blockchain via RPC endpoints. It determines how you interact with the network, including request limits, supported methods, latency, and reliability. Understanding the different access models—shared, dedicated, and archive—is essential for choosing the right infrastructure for your dApp's performance and scaling needs.

Question 17

Dedicated vs Shared Nodes: Performance Insights for Developers

Accepted Answer

Choosing between dedicated and shared RPC nodes impacts latency, rate limits, and reliability. Dedicated nodes provide exclusive resources, predictable performance, and full customization, while shared nodes offer cost efficiency with burst limits. This article breaks down the performance tradeoffs—throughput, response time, connection limits, and failure modes—to help you decide based on your application's needs.

Question 18

What is the Aleph Zero RPC endpoint and how do you connect?

Accepted Answer

Aleph Zero is a Layer 1 blockchain focusing on privacy and scalability using a novel consensus mechanism. Its RPC endpoint allows developers to interact with the chain via JSON-RPC calls. This page covers chain settings, available endpoints, common JSON-RPC methods, and how to choose a reliable RPC provider for production workloads.

Question 19

What Is Solana Public RPC and When Should You Use It?

Accepted Answer

Solana public RPC endpoints are free, open endpoints provided by the Solana Foundation or community members for developers to query the Solana blockchain without running a validator. They are suitable for light usage, testing, and prototyping, but come with rate limits, no SLA guarantees, and potential reliability issues for production applications. For serious development, consider a dedicated node or premium RPC service.

Question 20

What is an Abstract RPC and how do I start using it?

Accepted Answer

Abstract is an Ethereum Layer 2 chain that uses zero-knowledge proofs. To connect, you need an Abstract RPC endpoint, chain ID, and the native token address. This guide covers mainnet and testnet settings, faucet URLs, and common debugging tips. Use a reliable RPC provider to ensure low-latency access to Abstract's infrastructure.

Question 21

What Should You Look for in Solana RPC Services?

Accepted Answer

Choosing a Solana RPC service depends on your workload type, throughput needs, and reliability requirements. This guide covers key evaluation criteria—including shared vs dedicated nodes, rate limits, and supported methods—to help developers select the right infrastructure for mainnet dApps, trading bots, and NFT projects.

Question 22

Solana RPC Access: Endpoints, Authentication, and Common Issues

Accepted Answer

Learn how to correctly access the Solana blockchain via RPC endpoints, including mainnet, testnet, and devnet. Understand authentication methods, rate limits, and how to choose between public and private RPC access for your dApp or trading bot.

Question 23

Solana RPC Providers: What Developers Should Evaluate for Production dApps

Accepted Answer

Choosing a Solana RPC provider is critical for dApp performance. This article covers key criteria: throughput, WebSocket reliability, archive data, rate limits, and pricing models. Compare shared, dedicated, and self-hosted options to match your Solana app's requirements.

Question 24

Dedicated vs Shared Node Access: A Detailed Comparison for Developers

Accepted Answer

When choosing an RPC provider, developers must decide between shared and dedicated node access. Shared nodes offer cost efficiency and quick setup, while dedicated nodes provide predictable performance, isolation, and access to advanced methods like debug or trace. This article breaks down the trade-offs across cost, performance, reliability, and scalability to help you choose the right model for your Web3 application.

Question 25

What is node access in Solana RPC services and how to choose the right type?

Accepted Answer

Node access refers to how you connect to the Solana blockchain via an RPC provider. Options range from public endpoints to dedicated private nodes. Choosing the right type depends on your application's throughput requirements, latency sensitivity, and budget. This article breaks down the tradeoffs and helps you evaluate providers for production Solana dApps.

Question 26

What Are Solana Public RPC Endpoints and Should You Use Them?

Accepted Answer

Solana public RPC endpoints are free, shared API gateways that allow developers to interact with the Solana blockchain without running their own node. They are ideal for prototyping, light dApp usage, and development. However, they come with rate limits and no SLA, so production applications often need a private or dedicated RPC provider like OnFinality for reliability and performance.

Question 27

Abstract RPC Endpoint: What You Need to Connect to Abstract

Accepted Answer

Abstract is an Ethereum Layer 2 network built with zkSync technology. To connect your dApp or wallet to Abstract, you need an RPC endpoint address. This article provides the official Abstract RPC endpoints for mainnet and testnet, chain IDs, and developer resources like faucets and explorers. We also discuss how to evaluate RPC providers for reliability and performance on Abstract.

Question 28

What should you evaluate when choosing Solana RPC services?

Accepted Answer

Solana RPC services provide remote access to Solana blockchain data and transaction submission. Choosing the right service involves evaluating throughput, latency, data archival, WebSocket support, and pricing model. This article outlines the key criteria and common pitfalls to help developers find a reliable Solana RPC provider.

Question 29

What are the key differences between dedicated and shared node access for blockchain applications?

Accepted Answer

Dedicated node access gives you exclusive use of a blockchain node, while shared node access means multiple users connect to the same endpoint. The choice affects performance, reliability, privacy, and cost. To help you decide, we compare isolation, rate limits, latency, customization, and pricing.

Question 30

What Do You Need for Solana RPC Access?

Accepted Answer

To access Solana's blockchain, you need an RPC endpoint that connects your application to the network. Options range from free public endpoints with strict rate limits to private shared or dedicated nodes that offer higher throughput and reliability. Evaluate your application's traffic, latency, and data requirements to choose the right access method.

Question 31

What is Bittensor RPC and how do you connect to it?

Accepted Answer

Bittensor RPC enables developers to interact with Bittensor's decentralized AI network via Substrate (subtensor) and EVM APIs. This reference covers mainnet and testnet endpoints, chain settings, code examples, and criteria for choosing an RPC provider for your dApp or AI agent.

Question 32

BNB RPC Endpoint: Settings, Limits, and Debugging

Accepted Answer

A developer reference for BNB Smart Chain RPC endpoints. Learn the official RPC URLs, chain ID, rate limits, WebSocket support, and common error troubleshooting steps. Includes a decision checklist for choosing between public and private endpoints for production apps.

Question 33

Chainstack vs Other RPC Providers: What to Evaluate Before Choosing

Accepted Answer

A practical comparison guide for developers evaluating Chainstack against other RPC providers. Covers key criteria including pricing models, network support, latency, reliability, and developer experience. Helps infrastructure buyers make an informed decision based on workload requirements and budget.

Question 34

TON RPC Provider Comparison: What to Check Before Going to Production

Accepted Answer

Choosing the right TON RPC provider is critical for dApps, Telegram Mini Apps, and payment flows. This guide breaks down the key evaluation criteria—latency, archive support, ADNL compatibility, pricing, and scalability—so you can select the best infrastructure for your production workload.

Question 35

Polygon RPC Nodes: Endpoint Settings, Providers, and How to Choose

Accepted Answer

Polygon RPC nodes are remote endpoints that let your dApp communicate with the Polygon blockchain. This article covers chain configuration details (chain ID, RPC/WebSocket URLs), a comparison of free public nodes versus paid providers, and a decision checklist to help you pick the right infrastructure for development, testing, or production use.

Question 36

What Is Sui Testnet and How to Start Building on It?

Accepted Answer

Sui Testnet is a staging network for testing Sui applications before mainnet deployment. It uses test SUI tokens and provides a fullnode RPC endpoint for developers to interact with. This article covers the testnet endpoint, faucet for test tokens, and key considerations for choosing a reliable RPC provider.

Question 37

How do I find and use a Polygon RPC endpoint for development?

Accepted Answer

Polygon RPC endpoints allow developers to interact with the Polygon blockchain without running their own nodes. This article covers mainnet and testnet chain settings, how to connect using common libraries, and what to look for when choosing between free public endpoints and dedicated infrastructure. OnFinality provides both public and dedicated Polygon RPC nodes to suit different workload needs.

Question 38

What is a Sepolia RPC endpoint and how do I use it?

Accepted Answer

A Sepolia RPC endpoint lets you interact with Ethereum's Sepolia testnet via JSON-RPC calls. Use it to deploy smart contracts, test dApps, and simulate mainnet behavior without real ETH. This page covers chain settings, provider options, and debugging tips.

Question 39

BNB Testnet Endpoint: Chain Settings, Faucet, and Debugging

Accepted Answer

BNB Testnet is a test environment for BNB Smart Chain (BSC) that mirrors mainnet features. This article covers chain settings, how to get tBNB tokens from the faucet, common debugging steps, and how to connect via an RPC endpoint. Whether you're deploying a smart contract or integrating a dApp, this guide helps you get started with BNB Testnet.

Question 40

What is a nonce in crypto and how does it affect RPC calls?

Accepted Answer

A nonce is a number used once in cryptographic communications. In crypto, it serves two primary purposes: as a counter in proof-of-work mining (Bitcoin) and as a transaction sequence number (Ethereum). Understanding nonces is crucial for debugging RPC errors like 'nonce too low' or 'nonce too high' that prevent transactions from being mined.

Question 41

How to Connect to Pichiu Network RPC for Oracle Data

Accepted Answer

Pichiu Network provides decentralized oracle services on Kusama. This article explains how developers can integrate with Pichiu using RPC endpoints, configure chain settings, and debug common connection issues. Whether you are building DeFi, gaming, or NFT applications, Pichiu's oracle infrastructure offers verifiable off-chain data. We cover endpoint selection, WebSocket setup, and provider considerations for production workloads.

Question 42

How do I connect to Optimism RPC and what should I consider when choosing an endpoint?

Accepted Answer

Optimism RPC endpoints allow applications to read and write data on OP Mainnet and OP Sepolia. This article covers network settings, JSON-RPC methods, node requirements, and criteria for selecting a reliable RPC provider for production use.

Question 43

Sui Testnet RPC Endpoint: Chain Settings, Faucet, and Debugging

Accepted Answer

The Sui Testnet RPC endpoint allows developers to test dApps and smart contracts on the Sui blockchain before mainnet deployment. This article covers the default endpoint, chain settings, how to get test SUI tokens via faucet, connecting with JSON-RPC and SDKs, and common debugging tips.

Question 44

What Is Stellar RPC and How to Use It for Your dApp?

Accepted Answer

Stellar RPC refers to the remote procedure call interface that allows applications to interact with the Stellar blockchain. Unlike Ethereum, Stellar uses a different API called Horizon, which provides RESTful endpoints for querying the ledger, submitting transactions, and managing accounts. For developers, finding a reliable Stellar RPC provider is key to building production dApps without running full nodes. OnFinality offers Stellar RPC endpoints that abstract infrastructure complexity, giving you scalable access to the Stellar network.

When choosing a Stellar RPC provider, consider factors like rate limits, uptime, and support for Horizon-specific features like streaming endpoints. OnFinality provides both shared and dedicated Stellar nodes, with transparent pricing and multi-region availability, making it a strong choice for developers scaling their Stellar projects.

Question 45

BSC Testnet RPC Endpoint: Chain Settings, Faucet, and Debugging Tips

Accepted Answer

The BNB Smart Chain Testnet (BSC Testnet, chain ID 97) is an EVM-compatible test environment using valueless tBNB for gas. This page provides the official RPC endpoints, chain configuration, faucet links, and common debugging steps to help developers connect and test their dApps reliably.

Question 46

Which RPC provider offers the most reliable Ethereum RPC endpoints?

Accepted Answer

There is no single provider that is universally most reliable; reliability depends on your workload, geographic region, and required methods. Production teams should evaluate endpoint success rates, latency consistency, archive/trace support, and rate limit transparency before choosing. OnFinality provides managed Ethereum RPC endpoints with clear analytics and scalability options for teams that need predictable infrastructure.

Question 47

Peaq RPC Endpoint: Chain Settings, Faucet, and Debugging

Accepted Answer

Find the official Peaq RPC endpoint, chain ID, native currency, and step-by-step setup for EVM-compatible wallets. Learn how to use the Peaq faucet, configure your development environment, and debug common RPC issues. Whether you're building a DePIN dApp or integrating machine economy assets, this guide covers everything you need to connect reliably.

Question 48

How do I set up a BNB testnet endpoint and debug my dApp?

Accepted Answer

BNB Testnet (chain ID 97) is an EVM-compatible test network for BNB Smart Chain. Developers use it to deploy and test smart contracts, dApps, and integrations without risking real funds. This guide covers RPC endpoints, faucet details, MetaMask configuration, and common debugging steps.

Question 49

Abstract RPC Endpoints: Chain Settings, Providers, and Developer Workflow

Accepted Answer

Abstract is an Ethereum Layer 2 ZK-rollup built on zkSync's ZK Stack, designed for consumer crypto applications. This article covers Abstract RPC endpoints, chain settings, provider selection criteria, and practical code examples to help you connect and build on Abstract mainnet and testnet.

Question 50

How to Choose the Best RPC Service for Arbitrum in Production

Accepted Answer

Choosing the right RPC service for Arbitrum is critical for DeFi apps, trading bots, and analytics platforms. This article covers the key evaluation criteria: archive node access, trace/debug API support, pricing models, latency consistency, and failover options. Learn what to check before committing to a provider.

Question 51

Asset Hub Migration: What Developers Need to Know About the Polkadot Relay Chain Transition

Accepted Answer

The Asset Hub migration moves core Polkadot functions—balances, staking, governance—from the Relay Chain to the Asset Hub system parachain. This guide explains the migration's impact on RPC endpoints, staking integrations, and developer workflows, with practical steps to update your infrastructure.

Question 52

Astar RPC Endpoints: Chain Settings, Public Nodes, and Production Considerations

Accepted Answer

Astar is a Polkadot parachain that offers EVM and Wasm smart contract support. This page lists public and provider-hosted Astar RPC endpoints, chain configuration details, and guidance for choosing an RPC provider for production dApps.

Question 53

How to choose an Ethereum RPC provider for the latest network upgrades?

Accepted Answer

Ethereum network upgrades like Dencun, Pectra, and future hard forks introduce new RPC methods, changed state formats, and updated node requirements. Choosing an RPC provider that stays current with these changes ensures your dApp remains compatible and performant. This article explains what to check in a provider to support the latest Ethereum upgrades.

Question 54

How to Choose the Best Ethereum RPC API for Web3 Use

Accepted Answer

Choosing the best Ethereum RPC API for Web3 use depends on your workload: wallets need low latency and high availability, DeFi apps require reliable transaction submission, and indexers need archive or trace support. Evaluate providers on method coverage, rate limits, latency, and dedicated node options. OnFinality offers Ethereum RPC access with a path to dedicated infrastructure for production traffic.

Question 55

What is Base RPC and how do you choose the right endpoint?

Accepted Answer

Base RPC endpoints let applications read and write data on the Base blockchain, an Ethereum Layer 2 built on the OP Stack. Choosing the right provider depends on your workload: public endpoints are fine for testing, but production apps need reliable, low-latency infrastructure with archive data and WebSocket support. This article covers chain settings, provider evaluation criteria, and common pitfalls.

Question 56

What is an Arbitrum RPC and how do you choose the right endpoint?

Accepted Answer

An Arbitrum RPC endpoint is the gateway for dApps, wallets, and indexers to communicate with Arbitrum One, Nova, or testnets. This article covers chain settings, public vs. private endpoints, sequencer behavior, and criteria for selecting a reliable RPC provider for production use.

Question 57

Base Sepolia RPC Endpoint: Chain Settings, Faucet, and Debugging

Accepted Answer

Base Sepolia is a testnet for the Base L2 network, built on the OP Stack and using Sepolia ETH. This page provides the official RPC endpoints, chain configuration, faucet links, and common troubleshooting tips for developers testing dapps on Base Sepolia.

Question 58

What is Bitcoin Testnet and How Do Developers Use It?

Accepted Answer

Bitcoin Testnet is a public blockchain that mirrors Bitcoin mainnet but uses test coins with no real value. Developers use it to experiment with transactions, wallets, and smart contracts without financial risk. This article covers testnet setup, RPC endpoints, faucets, and best practices for choosing a testnet RPC provider.

Question 59

What does 'authentication failed: encrypted http response nonce mismatch' mean and how do I fix it?

Accepted Answer

The 'authentication failed: encrypted http response nonce mismatch' error is a TLS-layer replay protection failure. It occurs when the nonce value in an encrypted HTTP response does not match what the client expected. The most common causes are concurrent HTTP/2 requests sharing a TLS session nonce counter, a misconfigured TLS-terminating proxy, or buggy client retry logic that replays signed requests. Fixes include disabling aggressive retries, serializing concurrent requests, configuring TLS passthrough on proxies, rotating credentials, or switching to WebSocket RPC.

Question 60

Which RPC providers offer enhanced APIs specifically tailored for NFT data?

Accepted Answer

Several RPC providers now offer enhanced APIs that simplify NFT data access—including metadata, ownership, transfers, and spam filtering—without requiring custom indexing. These APIs are especially valuable for NFT marketplaces, gaming dApps, and wallet applications. Providers like Helius, Alchemy, and QuickNode lead with Solana and Ethereum NFT endpoints, while OnFinality provides flexible RPC infrastructure that can be paired with dedicated node setups for custom NFT data needs.

Question 61

What is BNB Chain Testnet and how do you use it for development?

Accepted Answer

BNB Chain Testnet (chain ID 97) is a public EVM-compatible test network that mirrors BNB Smart Chain mainnet. Developers use it to deploy and test smart contracts, dApps, and cross-chain integrations without risking real funds. This article covers chain settings, faucets, RPC endpoints, common pitfalls, and a decision checklist to help you get started quickly.

Question 62

What Are TON Nodes and When Should You Run One?

Accepted Answer

TON nodes are software clients that store the full state of The Open Network blockchain, validate transactions, and serve data to applications. Running your own node gives you direct, uncensored access to the network, but it also requires significant operational overhead. For most developers, a hosted RPC endpoint or dedicated node from a provider like OnFinality offers a faster, more reliable alternative without the maintenance burden.

Question 63

What is Gnosis Chain RPC and how do you choose the right endpoint?

Accepted Answer

Gnosis Chain RPC endpoints allow developers to interact with the Gnosis Chain network via JSON-RPC calls. This article explains chain settings, how to evaluate providers, and common pitfalls to avoid when selecting infrastructure for production dApps.

Question 64

What Is a Solana Public Node and When Should You Use One?

Accepted Answer

A Solana public node is a free, community-operated RPC endpoint that lets developers interact with Solana clusters without running their own infrastructure. While convenient for prototyping and low-volume testing, public nodes have strict rate limits and no SLA, making them unsuitable for production dApps. This article explains how public nodes work, their limitations, and when to upgrade to a dedicated RPC provider.

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