BLblockdaemon
aa

Send User Ops

This endpoint generates and returns the necessary paymaster parameters for account abstraction. It constructs a user operation payload including sender, recipient, gas, and call data details which can be submitted to execute transactions on the blockchain.

💡 Compute Unit Value: 15 (Fixed)

post/defi/v1/aa/senduserops

Request

  • Base URL
    https://svc.blockdaemon.com
  • URL
    https://svc.blockdaemon.com/defi/v1/aa/senduserops
  • Auth
    API key in header X-API-Key

Request body

chainId'1' | '56' | '43114' | '137' | '250' | '10' | '11155420' | '42161' | '421614' | '25' | '338' | '84532' | '8453' | '43113' | '97' | '80002' | '300' | '324'

The unique ID to direct queries or transactions to the correct blockchain. Find more here.

chainSymbolstring

The abbreviated chain name for queries or transactions.

userOpsstring[] required

Array of user operation objects as per ERC-4337. Defines one or more operations to bundle.

bundlerstring required

The address of the bundler or beneficiary responsible for executing the user operations.

gasstring

Maximum number of gas units to allocate for the transaction, as an integer string (e.g., '200000'). If omitted, gas is estimated automatically. Note: this is gas units, not wei or gwei.

Example request

{
  "chainId": "1",
  "chainSymbol": "ETH",
  "bundler": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
  "gas": "100000"
}

Response

Successful response

statusinteger
msgstring
dataobject

Example response

{
  "status": 200,
  "msg": "success",
  "data": {
    "from": "0x6Fb447Ae94F5180254D436A693907a1f57696900",
    "to": "0x5FF137D4b0FDCD49DcA30c7CF57E578a026d2789",
    "gas": "516124",
    "data": "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",
    "value": "0"
  }
}

Changes

No recorded changes to this operation across all 1 revision of this API.