---
title: "Submit AttesterSlashing object to node's pool"
method: POST
path: "/eth/v1/beacon/pool/attester_slashings"
tags: ["Beacon"]
---

# Submit AttesterSlashing object to node's pool

`POST /eth/v1/beacon/pool/attester_slashings`

## Request

- Base URL: `eth2-beacon-mainnet.nodereal.io/v1/api_key` (relative, and the document’s source URL is not known)
- URL: `eth2-beacon-mainnet.nodereal.io/v1/api_key/eth/v1/beacon/pool/attester_slashings`
- Auth: none declared

Submits AttesterSlashing object to node's pool and if passes validation node MUST broadcast it to network.

## Request body

- object: The [`AttesterSlashing`](https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/core/0_beacon-chain.md#attesterslashing) object from the CL spec.
  - `attestation_1` object: The [`IndexedAttestation`](https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#indexedattestation) object from the CL spec.
    - `attesting_indices` string[]: Attesting validator indices
    - `signature` string: The BLS signature of the `IndexedAttestation`, created by the validator of the attestation.
    - `data` object: The [`AttestationData`](https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#attestationdata) object from the CL spec.
      - `slot` string
      - `index` string
      - `beacon_block_root` string: LMD GHOST vote.
      - `source` object: The [`Checkpoint`](https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#checkpoint
        - `epoch` string
        - `root` string
      - `target` object: The [`Checkpoint`](https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#checkpoint
        - `epoch` string
        - `root` string
  - `attestation_2` object: The [`IndexedAttestation`](https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#indexedattestation) object from the CL spec.
    - `attesting_indices` string[]: Attesting validator indices
    - `signature` string: The BLS signature of the `IndexedAttestation`, created by the validator of the attestation.
    - `data` object: The [`AttestationData`](https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#attestationdata) object from the CL spec.
      - `slot` string
      - `index` string
      - `beacon_block_root` string: LMD GHOST vote.
      - `source` object: The [`Checkpoint`](https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#checkpoint
        - `epoch` string
        - `root` string
      - `target` object: The [`Checkpoint`](https://github.com/ethereum/consensus-specs/blob/v1.0.1/specs/phase0/beacon-chain.md#checkpoint
        - `epoch` string
        - `root` string

## Response `200`

Success

## Other responses

- `400`: Invalid attester slashing
- `500`: Beacon node internal error.

---

[API](https://skmtc.dev/nodereal/apis/eth-beacon-node-api.md) - [All operations](https://skmtc.dev/nodereal/apis/eth-beacon-node-api/llms.txt) - [OpenAPI document](https://skmtc.dev/nodereal/apis/eth-beacon-node-api/revisions/1878ea8657a1?raw)