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/eth/v1/beacon/pool/proposer_slashings REST API Endpoint

Returns proposer slashings known to the beacon node that may not yet be included in a block.

Updated on
Oct 14, 2026

The example uses a slashing proof included in Ethereum beacon slot 6669. The node returns an empty data array when its pool has no slashing proofs.

Parameters

This method does not accept any parameters

Returns

data
array

Proposer slashing objects; each contains two conflicting signed beacon block headers.

signed_header_1
object

First conflicting signed beacon block header.

message
object

Beacon block header.

slot
string

Beacon slot as a decimal string.

proposer_index
string

Index of the proposing validator as a decimal string.

parent_root
string

Root of the parent beacon block.

state_root
string

Root of the beacon state.

body_root
string

Root of the beacon block body.

signature
string

BLS signature as a 0x-prefixed hexadecimal string.

signed_header_2
object

Second conflicting signed beacon block header.

message
object

Beacon block header.

slot
string

Beacon slot as a decimal string.

proposer_index
string

Index of the proposing validator as a decimal string.

parent_root
string

Root of the parent beacon block.

state_root
string

Root of the beacon state.

body_root
string

Root of the beacon block body.

signature
string

BLS signature as a 0x-prefixed hexadecimal string.

Request
Response
1
{
2
"data": [
3
{
4
"signed_header_1": {
5
"message": {
6
"slot": "6668",
7
"proposer_index": "20075",
8
"parent_root": "0x203c50f072d204f47fa56a0e6518022dcba174a3af6d61cc3991aae04c166495",
9
"state_root": "0xe34267d802641b9c6d8b971cfc82b42566d74d2d4300d2f038f3f9acbff29a7d",
10
"body_root": "0xa25ec32b1bf5ce406c1ed88c8cc280c5ebc32f47290a216cd54b29f9b0acc6d9"
11
},
12
"signature": "0x8ddba69f7987cdd1503f1807977493d70d483db5332aebbed33cf341131d006a77578d4eb162fd64293a8c7458005591021aee2a4192c3b6693a66066474028543f6f2fcb9fcd82780ff537c9be585d0ef6fa5461805827bb4b1553e85ba03a0"
13
},
14
"signed_header_2": {
15
"message": {
16
"slot": "6668",
17
"proposer_index": "20075",
18
"parent_root": "0x203c50f072d204f47fa56a0e6518022dcba174a3af6d61cc3991aae04c166495",
19
"state_root": "0x214a11aa263ac037d2f61945b94b44273599f2b4ee5d46293c8f4852f5081a7d",
20
"body_root": "0xbf34b47f1e56a1c3a898df387cfe6d1f788d7d259942678be59058cbcf1b6d6d"
21
},
22
"signature": "0x93e7d1f4a083942edebe25e5962295207ada7b7cb1692da3abf4c4eb2c1db95e918dc2030b36d03eaa858c6f10e7153c0afd2c214f2a737691231c5cd0ced88f38eb145a3d3b3a08f66e32c5e12db6b9ed73b68fc5dd81b189d7efaff3b34fdd"
23
}
24
}
25
]
26
}
1
{
2
"data": [
3
{
4
"signed_header_1": {
5
"message": {
6
"slot": "6668",
7
"proposer_index": "20075",
8
"parent_root": "0x203c50f072d204f47fa56a0e6518022dcba174a3af6d61cc3991aae04c166495",
9
"state_root": "0xe34267d802641b9c6d8b971cfc82b42566d74d2d4300d2f038f3f9acbff29a7d",
10
"body_root": "0xa25ec32b1bf5ce406c1ed88c8cc280c5ebc32f47290a216cd54b29f9b0acc6d9"
11
},
12
"signature": "0x8ddba69f7987cdd1503f1807977493d70d483db5332aebbed33cf341131d006a77578d4eb162fd64293a8c7458005591021aee2a4192c3b6693a66066474028543f6f2fcb9fcd82780ff537c9be585d0ef6fa5461805827bb4b1553e85ba03a0"
13
},
14
"signed_header_2": {
15
"message": {
16
"slot": "6668",
17
"proposer_index": "20075",
18
"parent_root": "0x203c50f072d204f47fa56a0e6518022dcba174a3af6d61cc3991aae04c166495",
19
"state_root": "0x214a11aa263ac037d2f61945b94b44273599f2b4ee5d46293c8f4852f5081a7d",
20
"body_root": "0xbf34b47f1e56a1c3a898df387cfe6d1f788d7d259942678be59058cbcf1b6d6d"
21
},
22
"signature": "0x93e7d1f4a083942edebe25e5962295207ada7b7cb1692da3abf4c4eb2c1db95e918dc2030b36d03eaa858c6f10e7153c0afd2c214f2a737691231c5cd0ced88f38eb145a3d3b3a08f66e32c5e12db6b9ed73b68fc5dd81b189d7efaff3b34fdd"
23
}
24
}
25
]
26
}
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