sendTransaction

Request Format

POST <TRADING_BOOST_ENDPOINT>
Content-Type: application/json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "sendTransaction",
  "params": [
    "<BASE64_ENCODED_SIGNED_TRANSACTION>",
    {
      "encoding": "base64",
      "skipPreflight": true
    }
  ]
}

Request Parameters

Parameter	Type	Required	Description
params[0]	string	Yes	Base64-encoded signed transaction. In Tips mode, transaction must include a transfer of >= 0.0003 SOL to tip account 7HkiWXe5deJvzn4D6kgMUFCADwX9Z4DMrdjNSSxN6bPp
params[1].encoding	string	Yes	Must be "base64"
params[1].skipPreflight	boolean	Recommended	Set to true for fastest submission speed; false will simulate transaction before forwarding

📘
Note:
Supports other standard Solana sendTransaction parameters: preflightCommitment, maxRetries, minContextSlot.

Response

Success

{
  "jsonrpc": "2.0",
  "result": "5VERv8NMvzbJMEkV8xnrLkEaWRtSz9CosKDYjCJjBRnbJLgp8uirBgmQpjKhoR4tjF3ZpRzrFmBV6UjKdiSZkQU",
  "id": 1
}

The result field contains the transaction signature (base-58 encoded).

Error

{
  "jsonrpc": "2.0",
  "error": {
    "code": -32602,
    "message": "invalid transaction: Transaction failed to sanitize accounts offsets correctly"
  },
  "id": 1
}

Status Codes

Example business error codes:

{"error":{"code":-32602,"message":"param error; tip needs to be added"},"id":"1","jsonrpc":"2.0"}

Status Code	Error Code	Error Type	Notes
401	-32000	authentication failure; apiKey does not exist	Account API Key error or insufficient permissions (contact us)
400	-32602	param error; tip needs to be added	Missing tip fee (refer to demo to include at least 0.0003 SOL tip)
400	-32602	param error; please check the parameters	Transaction parameter error (verify transaction parameters, refer to demo)
400	-32602	param error; please encode in base64 format	Base64 encoding format error (only base64 encoding supported, base58 deprecated)
400	-32602	param error; decoding failed	Transaction decoding failed, encoding error (refer to demo)