sendTransaction - BlockRush Document

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
}

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

Request

Endpoint:

POST /

JSON-RPC Parameters:

string

required

Fully signed transaction, Base64 encoded string

object

required

Encoding configuration object

Hide params[1] properties

string

required

Transaction encoding format, must be base64

JSON-RPC Response 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
}

Error Handling submitBatch

​Request

​Endpoint:

​JSON-RPC Parameters:

​JSON-RPC Response Result

Request

Endpoint:

JSON-RPC Parameters:

JSON-RPC Response Result