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BSC Builder API — General Information

Overview

The BSC (BNB Smart Chain) Builder API delivers high-performance RPC endpoints and MEV (Maximal Extractable Value) services for developers building on BSC. Our infrastructure is engineered for low-latency, reliable access to BSC chain data and advanced transaction-ordering capabilities.

Available RPC Endpoints

Use the RPC endpoint below for all integrations:

Primary Endpoint: rpc.bsc.jetbldr.xyz

This endpoint uses geo DNS routing, so requests are automatically resolved to the most appropriate regional backend based on the caller's location.

MEV Services

Builder Wallet

For MEV bundle submissions and transaction ordering:

Builder Address: 0xe89c42BC188c993273Ab34231e12ae60c73042E4

Important: To ensure successful bundle inclusion, transfer the bribe directly to the builder wallet. Do not rely on gasPrice modifications — they may interfere with our MEV optimization algorithms.

Example Blocks

Review our MEV-optimized blocks to get a feel for builder performance:

Troubleshooting

Common Error Responses

HTTP 400 Bad Request

Possible causes

  • Using maxBlockNumber when the API expects blockNumber.
  • Incorrect parameter format (for example, passing a string where a number is required for the id field).

Resolution

  • Use blockNumber for single-block queries.
  • Make sure every numeric parameter is sent as a number, not a string.
  • Double-check parameter names against the API reference.

Support

For technical support and questions:

  • Review our comprehensive API documentation.
  • Check our status page for service updates.
  • Contact our team for enterprise solutions.