Astralane

Submit transactions through Astralane's MEV infrastructure. All requests are passed through directly to Astralane's Iris API.

Official docs: https://astralane.gitbook.io/docs

Send Transaction

Submit a single transaction.

Endpoint

POST /astralane

Request Body

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "sendTransaction",
  "params": [
    "<base64-transaction>",
    {
      "encoding": "base64",
      "skipPreflight": true
    },
    {
      "mevProtect": true
    }
  ]
}

Field	Type	Required	Description
params[0]	string	Yes	Base64-encoded signed transaction
params[1].encoding	string	No	base64 (default)
params[1].skipPreflight	boolean	No	Skip simulation (default: true)
params[2].mevProtect	boolean	No	Enable MEV protection

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "<transaction-signature>"
}

Bundle Submission

Submit up to 4 related transactions as an atomic bundle.

Endpoint

POST /astrln-submit-bundle

Request Body

{
  "transactions": [
    "<base64-transaction-1>",
    "<base64-transaction-2>"
  ],
  "encoding": "base64",
  "mevProtect": true,
  "revertProtection": false
}

Field	Type	Required	Description
transactions	string[]	Yes	Base64-encoded transactions (max 4)
encoding	string	No	base64 (default)
mevProtect	boolean	No	Enable MEV protection
revertProtection	boolean	No	Revert entire bundle on failure

Response

{
  "result": ["<signature-1>", "<signature-2>"]
}

Batch Submission

Submit multiple independent transactions (up to 25).

Endpoint

POST /astrln-submit-batch

Request Body

{
  "transactions": [
    "<base64-transaction-1>",
    "<base64-transaction-2>"
  ],
  "mevProtect": true
}

Field	Type	Required	Description
transactions	string[]	Yes	Base64-encoded transactions (max 25)
mevProtect	boolean	No	Enable MEV protection

Response

{
  "result": ["<signature-1>", "<signature-2>"]
}

Ideal Submission

Submit two variant transactions for optimal cost efficiency (requires nonce).

Endpoint

POST /astrln-submit-ideal

Request Body

{
  "transactions": [
    "<base64-high-tip-low-fee-transaction>",
    "<base64-low-tip-high-fee-transaction>"
  ]
}

Paladin Submission

Submit with MEV protection enabled.

Endpoint

POST /astrln-submit-paladin

Request Body

{
  "transaction": "<base64-transaction>",
  "config": {
    "revertProtection": false,
    "enableFallback": false
  }
}

Get Nonce

Retrieve nonce account information for ideal submissions.

Endpoint

POST /astrln-get-nonce

Response

{
  "nonce": "<hash>",
  "nonceAccount": "<pubkey>",
  "nonceAuthority": "<pubkey>"
}

Resources

• Astralane Docs - Docs provided by Astralane. Must read for minimum fee requirements.