eth_sendUserOperation

Please refer to 1Balance & Relay to create a sponsorApiKey.

The maxFeePerGas and paymasterAndData fields must be zero to avoid on-chain EntryPoint fee payments. This decreases overhead and leads to gas savings.

See Advantages & Highlights.

eth_sendUserOperation

Sends a UserOperation to the specified network.

POSThttps://api.gelato.digital//bundlers/{chainId}/rpc

Path parameters

chainId*number

Target network chain identifier.

Query parameters

Body

application/json

idnumber

jsonrpcstring

methodstring

paramsarray of one of

1. Object - The UserOperation object
2. String - The EntryPoint address the request should be sent through. This MUST be one of the entry points returned by the eth_supportedEntryPoints rpc call.

Response

200400

Successful response

Body

application/json

idnumber

jsonrpcstring

resultstring

Resulting userOpHash for the valid UserOperation

Request

JavaScriptCurlPython

const response = await fetch('https://api.gelato.digital//bundlers/{chainId}/rpc?sponsorApiKey=text', {
    method: 'POST',
    headers: {
      "Content-Type": "application/json"
    },
    body: JSON.stringify({}),
});
const data = await response.json();

Response

200400

{
  "id": 1,
  "jsonrpc": "2.0",
  "result": "0x13574b2256b73bdc33fb121052f64b3803161e5ec602a6dc9e56177ba387e700"
}