"jsonrpc": "2.0",
  "id": 1,
  "method": "eth_cancelBundle",
  "params": [
      replacementUuid, // String, to uniquely identify submission

N.B.: the replacementUuid must have been set when the bundle was submitted.

CURL example

curl -s --data '{"jsonrpc": "2.0","id": "1","method": "eth_cancelBundle", "params": [{"replacementUuid": "abcd1234"}]}' -H "Content-Type: application/json" -X POST

Response example


N.B.: We cannot guarantee that the bundle will be canceled if the cancellation is submitted within 4 seconds of the final relay submission.

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