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BNB Smart Chain RPC for trading and DeFi

Power swaps, trading bots, and onchain apps with reliable, high-performance BNB Smart Chain (BSC) RPC infrastructure.

BNB Chain
https://bsc-mainnet.core.chainstack.com/YOUR_ENDPOINT_ID
Crear endpoint
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get mcp.chainstack.com, deploy BNB Smart Chain mainnet RPC node and give me the HTTPS endpoint
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Fast BNB RPC, right where you need it

Global Node

Geo-balanced RPCBest for trading

Access BNB Smart Chain through a single, geo-balanced endpoint. Your requests automatically reach the nearest available region, with no manual region selection or extra setup.

Ilustración de una red global de blockchain node

Your full development stack for BNB Smart Chain

Protect swaps, accelerate transaction propagation, and access historical BSC data with the tools your application needs.

MEV protection icon

Protección MEV

Keep BNB Smart Chain mainnet transactions out of the public mempool with private routing to block builders. Reduce exposure to front-running and sandwich attacks through your existing endpoint.

Gratis
Logotipo de Warp

Transacciones warp

Route BSC eth_sendRawTransaction calls through bloXroute’s distribution network for faster propagation. Keep your existing endpoint for pool reads, event monitoring, and transaction submission.

Precio fijo
0,15 $por transacción
Icono de « node » ilimitado

Ilimitado Node

Run high-volume BSC reads, pool monitoring, and application traffic with unlimited requests within your RPS tier and predictable monthly costs.

25 solicitudes por segundo
$ 149$ al mes
25100250500
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API de depuración y seguimiento

Replay BSC transactions with debug_traceTransaction to diagnose failed swaps and inspect internal calls. Dedicated Geth full nodes expose debug APIs; Reth archive nodes also support trace APIs.

Incluido

Build and scale with reliable BSC RPC

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Trade on PancakeSwap and BSC DeFi

Read pool prices with eth_call, follow swap events over WebSockets, and submit signed transactions. Choose MEV protection for private routing or Warp transactions for faster propagation.

Explore BSC transaction routing (opens in a new tab)
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Index BSC markets and history

Backfill swap and transfer logs with eth_getLogs. Query historical contract state and inspect transaction execution for analytics, portfolio tracking, and strategy research.

Explore BSC archive data
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Build wallets and BEP-20 apps

Read BNB and BEP-20 balances, estimate gas, and track transaction receipts. Connect ethers.js, viem, or web3.py to mainnet (chain ID 56) or testnet (97).

Get a BNB RPC endpoint
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Connect AI agents to BNB Chain

Deploy BSC RPC endpoints with Chainstack MCP. Give agents the infrastructure to read contracts, estimate gas, and submit signed transactions through standard EVM tools.

Explora las herramientas de IA de « Chainstack »
Más de 10 000millones de llamadas diariasa la API en Chainstack
Más de 10 centros de datos deChainstack en todo el mundo
Acceso al servicio de asistencia 24 horas al día, 7 días a la semana
99,99 % o más de tiempo de actividad

Dedicated BSC RPC for enterprise teams

Run BSC indexers, exchange backends, and data-intensive applications on isolated compute and storage. Choose full or archive infrastructure, with Chainstack managing node deployment and maintenance.

Dedicado Node

Select BNB Smart Chain mainnet or testnet and choose full or archive mode to see current monthly infrastructure pricing.

Node tipo
Cargando el precio…Empezar

Why BNB Chain developers choose Chainstack

Feedback from teams using Chainstack for BSC trading analytics, DeFi, wallets, and high-volume applications.

4,9/539 opinionesG2

Comprueba lo rápido que es Chainstack

According to Chainstack Labs’ October 2026 BNB Chain benchmark, Chainstack ranked #1 among four monitored providers, with the lowest global P95 latency at 76 ms in the seven-day window ending Oct 8, 2026. Compare BNB Smart Chain RPC response times and request success across Europe, the US, and Asia in Chainstack Compare.

Compare BNB Smart Chain RPC providers (se abre en una nueva pestaña)

Self-hosted BSC RPC on your own infrastructure

Run BNB Smart Chain mainnet or testnet full nodes with Reth-BSC on infrastructure you control. Deploy, monitor, and manage your BSC node through Chainstack Self-Hosted, with automated updates and self-healing operations.

Chainstack Self-Hosted node asistente de implementación
Logotipo de Card Bg1 en servidor propio

Supervisión, alertas y observabilidad

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Configuraciones de « node » con el tamaño adecuado

SOC 2ISO

Tus datos están siempre protegidos.

BNB Smart Chain faucet: free testnet BNB

Fund your wallet. Build on BSC.

Get free testnet BNB from the Chainstack BNB Smart Chain faucet to pay gas, deploy BEP-20 token contracts, and test DeFi applications on BSC testnet. Connect your BNB Smart Chain testnet RPC endpoint to ethers.js, viem, Hardhat, or Foundry before deploying to mainnet.

The faucet tops up eligible wallets to 0.5 testnet BNB, with a claim available every 24 hours.

Get testnet BNB (se abre en una nueva pestaña)
Chainstack testnet ilustración de un grifo

Connect to BNB Smart Chain RPC

Read smart contract state through your BNB Smart Chain RPC endpoint with eth_call.

HTTPS · Solicitudes JSON-RPC
https://bsc-mainnet.core.chainstack.com/YOUR_ENDPOINT_ID
WebSocket · suscripciones en tiempo real
wss://bsc-mainnet.core.chainstack.com/YOUR_ENDPOINT_ID

Create a BNB Smart Chain node on your chosen network. Copy your HTTPS URL from Acceso y credenciales and replace the example URL. The mainnet example calls getOwner() on the CAKE token contract from our API reference. For testnet, use a contract deployed on that network and its calldata.

BNB Smart Chain mainnet
curl --request POST \
  --url https://bsc-mainnet.core.chainstack.com/YOUR_ENDPOINT_ID \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "eth_call",
  "id": 1,
  "params": [
    {
      "to": "0x0E09FaBB73Bd3Ade0a17ECC321fD13a19e81cE82",
      "data": "0x893d20e8"
    },
    "latest"
  ]
}
'

La respuesta devuelve datos del contrato codificados en ABI en result. eth_call lee el estado sin enviar una transacción.

Ver la referencia de métodos (se abre en una nueva pestaña)

BNB Smart Chain RPC pricing

Free BNB Smart Chain RPC for development, with paid plans for DeFi applications, historical data, payments, and enterprise workloads.

Planes económicos para todo tipo de cargas de trabajo

A partir de40$ al mescon pago anual
Descubre los planes de pago
De 20M solicitudes, incluidas las mensualesComparar y convertir
  • Mayor rendimiento y mayores márgenes de « node »

Todas las funciones de « Developer », además de:

  • Datos de archivo Growth+
  • Complementos Growth+
  • Línea dedicada: Nodes Pro +
  • Inicio de sesión único Pro+
  • Business o de acceso basado en roles +
  • Número ilimitado de usuarios Business+
Ver todas las características

Los complementos y la infraestructura dedicada de Node se facturan por separado.

Logotipo de los usuariosAsistencia excepcional en todos los planes de pago
Para equipos clasificados

¿Gastas más de 2.000 dólares al mes en infraestructura de RPC?

Ahorra más del 50 % con nuestro plan de élite de pago por uso

TelegramChatea en Telegram (se abre en una nueva pestaña)

Build on BNB Smart Chain with Chainstack Labs

Explora los proyectos de código abierto de nuestro equipo de experiencia en « developer ». Sigue las guías prácticas, mira los tutoriales y adapta el código a tu aplicación.

Follow FOMO trades on BNB Smart Chain
Logotipo de Python Python · Escuchas en cadena

Follow FOMO trades on BNB Smart Chain

Realiza un seguimiento del flujo de operaciones en cadena de FOMO con listeners de Python operativos. Sigue la actividad de los monederos inteligentes, los contratos de liquidación y los eventos de intercambio a través de conexiones RPC y WebSocket.

Preguntas frecuentes
What is a BNB Smart Chain (BSC) RPC endpoint?

A BNB Smart Chain RPC endpoint is a URL your application uses to communicate with a BSC node. It lets you read balances, call smart contracts, retrieve event logs, estimate gas, and submit signed transactions through an Ethereum-compatible JSON-RPC API.

Are BNB Smart Chain and BSC the same network?
Yes. BSC stands for BNB Smart Chain, previously called Binance Smart Chain. BNB Chain is the broader ecosystem. When configuring your RPC connection, choose BNB Smart Chain mainnet or testnet, rather than a different network such as opBNB.
How do I get a BSC RPC URL on Chainstack?

Create a Chainstack account and a project, then deploy a BNB Smart Chain node on mainnet or testnet. Open Access and credentials and copy your HTTPS endpoint. Add this URL to your wallet, SDK, or development framework. Use the WebSocket endpoint when your application needs supported subscriptions.

Can I use BNB Smart Chain RPC for free?

Yes. The Chainstack Developer plan includes 3 million request units per month, an overall limit of 25 requests per second, one node, and WebSocket access. No credit card is required. Individual methods may have additional limits. Mainnet transactions still require BNB for gas.

What are the BSC mainnet and testnet chain IDs?

BNB Smart Chain mainnet uses chain ID 56, or 0x38 in hexadecimal. Testnet uses chain ID 97, or 0x61. Mainnet uses BNB for gas, while testnet uses test BNB. Your endpoint and chain ID must refer to the same network.

Can I use my Chainstack BSC RPC endpoint with MetaMask?

Yes. Add or edit BNB Smart Chain in MetaMask and enter your Chainstack HTTPS RPC URL. For mainnet, use chain ID 56 and the currency symbol BNB. For testnet, use chain ID 97. Keep your endpoint credentials private.

Does Chainstack support BSC WebSocket connections?

Yes. Chainstack provides BNB Smart Chain WebSocket endpoints for supported subscriptions, including new blocks and smart contract event logs. Use the WebSocket URL from your node’s Access and credentials section with eth_subscribe. WebSocket access is included in the Developer plan.

Should I use a BSC Global Node or a Dedicated Node?

Global Nodes provide managed, geo-balanced RPC access with automatic routing. Dedicated Nodes reserve infrastructure for your workload and offer deployment-specific configuration options. Choose according to resource isolation, configuration, and workload requirements. Dedicated infrastructure is billed separately from the subscription plan.

What can I query with a BSC archive node?

A BSC archive node provides historical account and smart contract state. Use it to query past balances, contract storage, and contract calls for analytics, backtesting, and reconciliation. Chainstack archive access is available starting from the Growth plan. Archive access does not mean unlimited request usage.

Does Chainstack support BSC debug and trace APIs?

Yes. Debug & Trace APIs are available on BNB Smart Chain Global Nodes on paid plans. Dedicated full nodes running BSC Geth expose debug methods, while Reth archive nodes also expose trace methods. Availability depends on your node configuration and the historical state required by the request.

Is MEV protection available for BSC transactions?

Yes. MEV protection is available on BNB Smart Chain mainnet Global Nodes on every plan, including Developer. It uses private routing to reduce exposure to front-running, sandwich attacks, and other MEV risks. Enable the add-on on your node. It does not guarantee inclusion or eliminate every MEV risk.

What do Warp transactions do on BNB Smart Chain?

Warp transactions route BSC eth_sendRawTransaction submissions through bloXroute’s distribution network for faster propagation. Other RPC methods continue through Chainstack. Warp transactions are available on paid plans and consumed transactions are billed separately. This is a different routing option from MEV protection.

Does Chainstack offer unlimited BSC RPC requests?

Yes. The Unlimited Node add-on provides unlimited RPC requests within your selected requests-per-second tier for a fixed monthly add-on fee. It is available starting from the Growth plan. Your subscription, Dedicated Node infrastructure, and other add-ons are billed separately.

Can I run a self-hosted BNB Smart Chain RPC node?

Yes. Chainstack Self-Hosted supports BNB Smart Chain mainnet and testnet deployments on infrastructure you control. The Community edition is free, and you pay for your own servers or cloud resources. Follow the installation guide to set up your deployment.

How do I get free testnet BNB for BNB Smart Chain development?

Open the Chainstack BNB Smart Chain testnet faucet, enter your wallet address and Chainstack API key, and submit a claim. The faucet tops eligible wallets up to 0.5 testnet BNB every 24 hours. Use testnet BNB to pay gas for smart-contract deployments and test transactions through your BSC testnet RPC endpoint. Wallet eligibility requirements are listed on the faucet page.

BNB Smart Chain (BSC) JSON-RPC API

BNB Smart Chain (BSC) uses an Ethereum-compatible JSON-RPC API. Connect through your Chainstack HTTPS endpoint to read BNB and BEP-20 balances, call smart contracts, retrieve event logs, estimate gas, and submit signed transactions. Common methods include eth_getBalance, eth_call, eth_getLogs, eth_estimateGas, y eth_sendRawTransaction. Utiliza el WebSocket endpoint con eth_subscribe para las suscripciones en tiempo real compatibles.

Use ethers.js or viem for JavaScript and TypeScript, web3.py for Python, and Hardhat or Foundry for smart contract development. Configure the endpoint for the correct network: BSC mainnet uses chain ID 56, and testnet uses 97. Consulta el BNB Smart Chain API reference y BNB Smart Chain tooling guide for integration examples.