BSC Infrastructure Without the Trade-Off
High Performance. Greater Cost Efficiency. Built for Real-World Scale.

A BSC RPC endpoint is a URL that lets applications read data from and send transactions to BNB Smart Chain (BSC) using the JSON-RPC protocol. Wallets such as MetaMask, libraries such as ethers.js, web3.js, and viem, and backend services all use it to query balances, call smart contracts, and broadcast signed transactions. BlockPI provides managed BSC RPC endpoints for mainnet (Chain ID 56) and testnet (Chain ID 97) over HTTPS and WebSocket, so you don’t have to run and maintain your own node. See the BlockPI BSC documentation to get started.

Because the two things an autonomous agent needs most are cheap and frequent execution. BSC's median fee is around $0.01 with a sub-cent range, and blocks land every 0.75 seconds — so an agent can loop, rebalance, claim or settle without the economics breaking down the way they do on Ethereum mainnet. BlockPI's dedicated nodes deliver sub-20 ms responses with unlimited dedicated capacity, removing the other bottleneck: rate limits throttling an agent mid-loop.

BlockPI provides HTTPS and WebSocket endpoints for both BSC networks. After you create a free account and an API key in the BlockPI dashboard, your personal endpoints follow this format:Keep your API key private and never commit it to a public repository.

To add BNB Smart Chain to MetaMask with BlockPI, open MetaMask, go to Settings → Networks → Add a network → Add a network manually, and enter the values below. • Network name: BNB Smart Chain • RPC URL: [your BlockPI BSC HTTPS endpoint] • Chain ID: 56 (testnet: 97) • Currency symbol: BNB (testnet: tBNB) • Block explorer URL: https://bscscan.com (testnet: https://testnet.bscscan.com) Save, then switch to the new network. If MetaMask shows a Chain ID mismatch warning, check that the RPC URL points to the correct network (mainnet vs. testnet).

BlockPI supports the standard Ethereum JSON-RPC methods available on BSC, including eth_call, eth_getBalance, eth_getLogs, eth_estimateGas, eth_sendRawTransaction, and eth_getTransactionReceipt. Over WebSocket, it supports eth_subscribe for newHeads, logs, and [other subscriptions, e.g. newPendingTransactions]. Debug and trace methods are available with the Elementary package($49) or higher. The full method list, including any eth_getLogs block-range limits, is in the BlockPI BSC API reference.

Yes. BNB Smart Chain is EVM-compatible, so Ethereum smart contracts, wallets, and developer tools work on BSC with little or no change, mainly by switching the RPC URL and Chain ID (56 for mainnet, 97 for testnet). Commonly used tools include Solidity, Hardhat, Foundry, Remix, ethers.js, web3.js, viem, and wagmi. Use your BlockPI endpoint as the provider URL in any of them. For example, in ethers.js: new ethers.JsonRpcProvider("[your BlockPI BSC endpoint]").

BSC suits AI agents because it combines EVM compatibility, low transaction fees, and short block times, so agents can read state and execute transactions frequently at low cost. Because BSC uses the same tooling as Ethereum, agent frameworks and wallet libraries that already support EVM chains work with minimal changes. Agents depend on reliable RPC access: they need stable endpoints, predictable rate limits, and WebSocket subscriptions for real-time events. BlockPI offers [plan features relevant to agents: e.g. high-QPS plans, WebSocket, usage alerts]. Check current BSC gas prices and block time on BscScan (https://bscscan.com/) before sizing your workload.

Yes. BlockPI rate-limits BSC endpoints per plan, measured in requests per second (QPS), to keep performance stable for all users. Limits by plan:Requests above your limit return HTTP 429. Please see the 429 entry below.

An HTTP 429 error means your application sent more requests than your plan’s rate limit allows. To fix it: 1. Check your current QPS in the BlockPI dashboard. 2. Add exponential backoff and retry logic. 3. Batch calls with JSON-RPC batch requests or use WebSocket subscriptions instead of polling. 4. Cache results that don’t change often, such as contract code or finalized block data. 5. Upgrade your plan or move to a dedicated node if traffic stays above the limit.

BlockPI maintains 99.99% uptime. Over the 7-day period from Oct 10 to Oct 16, 2026, BSC RPC served 392 million eth_call requests with a median server response time of 1 ms. Requests are routed through BlockPI's globally distributed node network to minimize latency for users in different regions. Real-time availability is published at https://status.blockpi.io/.

To test on BSC testnet, connect your wallet or toolchain to the BlockPI testnet endpoint (Chain ID 97), get test BNB (tBNB) from the official BNB Chain faucet (https://www.bnbchain.org/en/testnet-faucet), and deploy your contracts there first. 1. Create a BlockPI API key and copy the BSC testnet endpoint: https://bsc-testnet.blockpi.network/v1/rpc/YOUR_API_KEY. 2. Add the testnet RPC to your Hardhat/Foundry config or MetaMask. 3. Request tBNB from the faucet. 4. Deploy and test, then verify transactions on testnet.bscscan.com (https://testnet.bscscan.com/). 5. When everything passes, switch the RPC URL and Chain ID to mainnet (56).

Yes. BlockPI offers a free plan that includes BSC mainnet and testnet access, with up to 20 QPS and 50M RU per month. It requires only an account and an API key, with no credit card. The free plan suits development, testing, and light production workloads. If you need higher throughput, archive data, or debug/trace methods, see the paid plans on the pricing page.

Yes. BlockPI provides debug_* and trace_* methods with access to BSC archival data, allowing you to query the historical state of any block for historical data analysis, indexing, and transaction debugging. Available with the Elementary package($49) or higher.

Yes. A single BlockPI account and API key give you access to BSC, Solana, RobinHood Chain, Base, and 70+ other supported networks. Usage across all chains counts toward the same RU package. See the supported chains page for the full list. Each chain has its own endpoint URL, so select the corresponding network when generating each endpoint in the console.

Yes.​ On BSC mainnet endpoints, enabling MEV Protection routes transactions through MEV-Boost's private mempool, reducing the risk of front-running and sandwich attacks — at no extra RU cost. The feature is not available on BSC testnet.

BlockPI bills BSC RPC usage by Request Unit (RU). RU packs are purchased in advance and consumed as calls are made; when the balance is depleted, a new pack can be purchased at any time. There is no monthly subscription. An RU is the billing unit that measures the compute cost of an API call: lightweight methods like eth_chainId cost 5 RUs, while eth_getLogs costs 50 RUs (costs rise accordingly when the eth_getLogs payload is large). For the complete RU cost of each method, see the RU pricing table.

Dedicated BSC nodes on BlockPI start at $720 price / month, depending on node type (full or archive), region, and configuration. A dedicated node gives you exclusive resources, no shared rate limits, and dedicated tech support. For a quote or custom configuration, contact us.

The statistics page of the dashboard lets you view BSC RPC request count, RU consumption, top methods, invalid requests, and success rate — broken down by API key or by network. Under Settings → Email alerts, you can configure email notifications for low RU balance and low wallet balance, including the trigger thresholds. By default, one email is sent when the RU balance falls to 10% of the current pack. Team accounts can add up to 3 recipient email addresses. When your RUs run out, the endpoint is frozen. You can enable Auto-Renew: a selected RU pack is purchased automatically with your wallet balance or a bank card, or you can choose Pay As You Go and have $0.01 per 50,000 RUs deducted from your balance.

The public BSC RPC endpoint is free and shared. It has strict rate limits, no uptime guarantee, and no usage visibility — suitable for testing, but risky for production. If you only read data occasionally during development, the public endpoint may already be enough. If your application needs stable, predictable performance, consider a managed provider. BlockPI offers authenticated endpoints with WebSocket support, usage analytics, and customer support. The free RU pack provides 50M RUs per month, valid for 32 days, at up to 20 QPS per endpoint. Paid RU packs come with higher RU allowances and dedicated rate limits — see the pricing page for details.

Because BSC RPC is standard JSON-RPC, migration usually means replacing one URL. Create a BlockPI API key, copy your BSC endpoint, and update the RPC URL in your app, wallet, or environment variables. 1. Create a BlockPI account and BSC endpoint. 2. Replace the old URL in your config (for example .env, Hardhat, Foundry, or backend settings). 3. Test read and write calls on testnet or with a staging environment.