submit

This endpoint is used to submit signed singular transaction.

Customers with Professional Tier subscription (or higher) are able to Submit transactions through the Solana Trader API

Request

Method:

POST ./api/v2/submit

Parameters:

Parameter	type	Description
transaction	TransactionMessage	See TransactionMesssage below
skipPreFlight	boolean	OPTIONAL. Useful for disabling transaction simulation before actual submission. true or false, Default False
frontRunningProtection	boolean	OPTIONAL. Specify if you would like to enable the Front-Running Protection feature. The transaction must include an Tip instruction to pay for the service fee. You can include an Tip instruction, but set this field to False. In this case, Trader API will propagate to both MEV-protected providers and the public. Default False.
submitProtection	enum	OPTIONAL. Specifies the desired level of MEV protection for the transaction. Accepted Values:SP_LOW, SP_MEDIUM (default), and SP_HIGH Behaviour by Level: SP_LOW: No MEV protection is applied. Transactions are submitted directly to Jito without delay, even if a known malicious validator is active. Ideal for transactions that are not vulnerable to sandwich attacks, but still benefit from Jito’s revert protection. SP_MEDIUM: Provides moderate protection. If the current slot is at least three slots away from any known malicious validator, the transaction is submitted immediately. If a malicious validator is the current leader or will become the leader in fewer than 3 slots, the system waits until four consecutive safe slots are observed before submitting. SP_HIGH: Provides maximum protection. Transactions are delayed until eight consecutive safe slots have passed, ensuring the highest level of avoidance from malicious validators.
fastBestEffort	boolean	OPTIONAL. This is an optional parameter that effects the behavior of frontRunningProtection which must be set to True to use this feature. Enabling this parameter will allow you to submit your transaction not only to the Jito but also to bloXroute-identified low-risk validators.
useStakedRPCs	boolean	OPTIONAL. An tip instruction with a minimum of 0.001 SOL is required and frontRunningProtection must be set to False to use this feature. When enabled, Trader API will use weighted stake qOS to submit your transaction to the Leader. The cost will be 10% of the tip amount.
sniping	boolean	OPTIONAL. This parameter is available for any user with a tier of Enterprise Elite and above. Optimized to enhance token sniping use case.
allowBackRun	boolean	OPTIONAL. Specify if you would like to enable OFA(Order Flow Auction) submission option. Transaction will be sent to OFA MEV searcher. If there was any MEV profit, you will receive part of the MEV profit back as a rebate.
revenueAddress	string	OPTIONAL. Specify this field ONLY when you enable the allowBackRun parameter. The MEV rebate will be send to the specified address.

TransactionMessage

Parameter	type	Description
content	txbase64Payload	Raw bytes of signed transaction.

Request example:

HTTP

curl -X 'POST' \
  'https://ny.solana.dex.blxrbdn.com/api/v2/submit' \
  -header "Authorization: $AUTH_HEADER" \
  -d '{
    "transaction": {"content": "AjF+...CQ=="}, 
    "frontRunningProtection": True,
    "useStakedRPCs": False,
    "allowBackRun": True,
    "sniping": True,
    "revenueAddress": "6d...FY"
}'

WebSocket

wscat -c wss://ny.solana.dex.blxrbdn.com/ws --execute '{"jsonrpc": "2.0", "id": 1, "method": "PostSubmit", "params": {
  "transaction": {"content": "AjF+Br...Q=="}
}}'

Python

# submitting raw transactions
await api.post_submit("AjF+B...Q==")

TypeScript

await provider.postSubmit({
    transaction: { content: encodedTxn, isCleanup: false },
    skipPreFlight: true,
})

Response:

Fields:

Parameter	Type	Description
signature	string	Solana signature of the submitted transaction

Example:

JSON

{
  "signature":"zPiAEU8...ak3Fq"
}

You can look up this signature in a Solana Explorer like SolScan or Solana Explorer.