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Append ?anti_mev=1 to the endpoint to enable sandwich-attack protection. See Anti-MEV for details.

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Request

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Endpoint:

POST /

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JSON-RPC Parameters:

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params[0]
string
required
Fully signed transaction, Base64 encoded string
​
params[1]
object
required
Encoding configuration object

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JSON-RPC Response Result

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result
string
required
Transaction signature. The result format matches the Solana RPC documentation
Request(cURL)
curl -X POST 'https://ny.rpc.blockrush.io' \
  -H 'Content-Type: application/json' \
  -H 'x-api-key: <YOUR_API_KEY>' \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "sendTransaction",
    "params": [
      "<base64_encoded_tx>",
      { "encoding": "base64" }
    ]
  }'

{
  "jsonrpc": "2.0",
  "result": "<tx_signature>",
  "id": 1
}