Send User Ops

post

https://svc.blockdaemon.com/defi/v1/aa/senduserops

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.

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Compute Unit Value: 15 (Fixed)

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Body Params

The request body for a /defi/v1/aa/senduserops

chainId

string

enum

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

chainSymbol

string

The abbreviated chain name for queries or transactions.

userOps

array of strings

required

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

userOps*

bundler

string

required

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

gas

string

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.

Response

200Successful response