BNB Chain RPC Endpoints, BSC API & Dedicated Nodes

BNB Smart Chain (BSC)

Chain ID56

CurrencyBNB

Conéctate en segundos a BNB Smart Chain con Elastic API de OnFinality y disfruta de un 99.99% de disponibilidad anual. Despliega Full Nodes, validator y de archivo de BNB Smart Chain al instante con nuestra solución global de un solo clic.

BNB Smart Chain (BSC)

Conectar al Servicio APIDesplegar Nodo Privado

Conéctate al Endpoint Público*

El siguiente ejemplo utiliza el endpoint API público*. Este endpoint solo es adecuado para pruebas. Para evitar limitaciones de velocidad e interrupciones del servicio, regístrate ahora para obtener tu propia clave API.

Ejemplo CURL

curl -H 'content-type:application/json' -d '{"id": 1, "jsonrpc": "2.0", "method": "eth_blockNumber"}' 'https://bnb.api.onfinality.io/public'

curl -H 'content-type:application/json' -d '{"id": 1, "jsonrpc": "2.0", "method": "eth_blockNumber"}' 'https://bnb.api.onfinality.io/public'

HTTPS

https://bnb.api.onfinality.io/public

https://bnb.api.onfinality.io/public

Websocket

wss://bnb.api.onfinality.io/public-ws

wss://bnb.api.onfinality.io/public-ws

* El endpoint público tiene limitación de velocidad

Servicio API

Funciones Destacadas

ArchiveTrace

API Basada en

Hong KongN.Virginia

Nodos Privados

Tipo de Nodo

Full

Endpoints

JSON-RPCWebSocketsMétricas

PRECIOS

Calcula tus Costos

Paga solo por lo que necesites.

BNB Smart Chain Servicio API

BNB Smart Chain Nodos Dedicados

Response Units Mensuales

Million Standard Requests

0100M200M300M400M

Total Cost

$49/ month

Recommended Plan: GROWTH

Continue with this plan

BNB Smart Chain RPC Endpoints & Dedicated Nodes

BNB Smart Chain (BSC) is an EVM-compatible blockchain known for fast block times and low transaction fees. It supports a wide range of decentralized applications in DeFi, gaming, NFTs, and more. OnFinality provides managed RPC endpoints and dedicated node infrastructure for BSC, enabling developers to build and scale production applications without the overhead of running their own nodes.

What is BNB Smart Chain?

BNB Smart Chain is a blockchain network that runs in parallel with BNB Beacon Chain. It is EVM-compatible, meaning Ethereum tools and smart contracts can be deployed with minimal changes. BSC uses a Proof of Staked Authority (PoSA) consensus mechanism, achieving 3-second block times and high throughput. The network is designed for high-volume applications and has a large ecosystem of wallets, DeFi protocols, and marketplaces.

Why Use OnFinality for BSC RPC?

OnFinality offers authenticated RPC endpoints for BSC, providing:

Reliable access: Dedicated infrastructure with clear rate limits and no shared public congestion.
Observability: Request analytics and usage metrics to monitor your application's performance.
Scalability: A path from shared API endpoints to dedicated nodes for higher traffic demands.
Advanced features: Support for archive data and trace API where available.

BSC RPC Endpoint Details

Network: Mainnet (Chain ID: 56)
Protocol: EVM JSON-RPC
Transports: HTTP and WebSocket
Advanced access: Archive and trace support (plan-dependent)
Common use cases: dApps, wallets, DeFi products, analytics tools, games, bots, and backend services
Regions: Hong Kong, N.Virginia

How to Connect to BSC via OnFinality

Create or sign in to your OnFinality account.
Select BNB Smart Chain from the supported networks list.
Create an API endpoint or deploy a dedicated node.
Test the endpoint using eth_blockNumber.
Monitor request usage, errors, and limits before moving critical traffic.

Public vs OnFinality RPC

Public RPC endpoints are suitable for lightweight testing but often have rate limits and no visibility. OnFinality endpoints are designed for teams that need stable, observable, and scalable infrastructure.

BNB Smart Chain RPC and developer resources

BNB Smart Chain builders often compare RPC options for DeFi apps, wallets, trading tools, and high-volume backend services, so the useful content is capability-led rather than promotional.

Best fit: mainnet production workflows for wallet flows, contract apps, and live backends.

What builders usually check first:

Read current chain state for apps, dashboards, wallets, and backend services.
Submit transactions and monitor confirmations from Ethereum-compatible tools.
Query logs, receipts, and historical state when indexers or analytics pipelines need more than the latest block.
Debug contract behaviour with trace data where the network supports it.

Supported capability notes:

Authenticated BNB Smart Chain RPC/API access for wallet flows, contract apps, and live backends.
Flexible HTTP and WebSocket access for app, backend, and integration workflows.
Archive-capable workflows when the product needs older chain state.
Trace-ready workflows for teams that need to inspect execution paths.
Managed node options for workloads that outgrow shared endpoint access.

Decision notes:

Environment: mainnet. Protocol family: EVM JSON-RPC.
Flexible HTTP and WebSocket access is listed for supported app and backend workflows.
Archive support is available for historical state or older chain-data queries.
Trace support is available for transaction debugging and execution analysis.
Dedicated node options are available when the workload needs isolated resources or more operational control.

A quick connection check usually starts with eth_blockNumber, then moves into the exact methods your wallet, dashboard, bot, indexer, or backend service needs.

Planning the next step:

Shared RPC is usually enough for early integration, prototypes, and moderate app traffic.
Consider dedicated nodes when traffic becomes sustained, workloads are latency-sensitive, or isolation and monitoring become operational requirements.

Next steps: