Epoch slots

Epoch slots

curl --request GET \
  --url 'https://beaconcha.in/api/v1/epoch/{epoch}/slots?apikey='

{
  "status": "OK",
  "data": [
    {
      "attestationscount": 8,
      "attesterslashingscount": 0,
      "blockroot": "0xeb64c069b979ef8eed41993ec0563f1ed0e935b95fcbe9ed26de4c904c94aeb3",
      "depositscount": 10,
      "epoch": 398479,
      "eth1data_blockhash": "0xeb64c069b979ef8eed41993ec0563f1ed0e935b95fcbe9ed26de4c904c94aeb3",
      "eth1data_depositcount": 2045305,
      "eth1data_depositroot": "0x2ebc563cabdbbacbc56f0de1d2d1c2d5315a4b071fcd8566aabbf0a45161c64e",
      "exec_base_fee_per_gas": 680634007,
      "exec_block_hash": "0x1f97b8eb2444d4fcdfd8dade8a9f8630860acca3ce694f800881fab642eace6c",
      "exec_block_number": 23525866,
      "exec_extra_data": "0x546974616e2028746974616e6275696c6465722e78797a29",
      "exec_fee_recipient": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97",
      "exec_gas_limit": 23525866,
      "exec_gas_used": 23525866,
      "exec_logs_bloom": "0x54a8a16a45119f9fd52558acccb035c9154b9b509664b87dcfdd129d7499b0a1249dd137bfed0146da934b6b47ea75dc77d1c67bac137b0914da37d4686c97ceba768dfa4ed0fcb8ed34d1ab91e99aa164663e32e7fe79386b627cba1e9cde870b71a9eabb4",
      "exec_parent_hash": "0x3f9eeb7bbcfa68b70ed5b15fe0476c0cd594a025032ad6522c2f087922393b3e",
      "exec_random": "0x2a9ef3da82054fe160d54973c8f7ce9482ff1ef0c09262d9a86e3641d1d52131",
      "exec_receipts_root": "0xbc1799c451b10b1689e540333ca2f9dac9a86a9654075a0d141385d6bbb8ceed",
      "exec_state_root": "0x8e251e0dd4aaf308b5c899c8f659e6de984aad11f4df85468d6cbf9edfa7ce48",
      "exec_timestamp": 1759839959,
      "exec_transactions_count": 3,
      "graffiti": "0x544b373536390000000000000000000000000000000000000000000000000000",
      "graffiti_text": "TK7569",
      "parentroot": "0x36ed53a94a32b494b3a26fbbb56c2ce2af9cf657a7c3975da96faf0fba66c2c2",
      "proposer": 1098947,
      "proposerslashingscount": 0,
      "randaoreveal": "0x8add195bc76c9cd723730cd4dae3098663f3e0257a543ed8ca4273471e1983c8c937ee37b95c7c30c5e91bf6a19b81a60f11bbb41014e45674e57566dba923b6c26b17911f811af04b28dce9020bb54b6f8de38bb63b8a0f9c4902357700e85b",
      "signature": "0xab6b6d826c14b6141e3406c5227ead15b133993195e96edc05fdeba998d0e0fd96e4ec5f47f6c9eec1558a59042c03d1016e679faf7300bc14737c7178c5cc01b2ea5f345e13cc2e29eeeefaf18cdcde6c0a99d80923ecf8ff8619a4d2511f6e",
      "slot": 12751457,
      "stateroot": "0xb4373fdde2b7e43692937e6982a853b747ae3ec2ec4721bee538f4770229415d",
      "status": "1",
      "syncaggregate_bits": "0xaf6d5ffa3fddbdd7a82286f7dd17b87bfdbbbf17733beda97eef74bfffdeff7fdf7dd1effdf0d3ffbf23feb97bf463febfb0edcceef65fea77fdbdcfb50edbf1",
      "syncaggregate_participation": 0.990234375,
      "syncaggregate_signature": "0xaa7c2f8db87e82ed4e45e0c328918f0f1ca88d6bdc1e20933816b22e3965099d2fcaa6960e76959921c0d6b5b7a73d1203e3bceaf2a23436f9eedc072d924b4270f21c57356ca99813e63b44dd4f363abc49466114b05736ef925d9330f93dd5",
      "voluntaryexitscount": 0,
      "withdrawalcount": 16
    }
  ]
}

GET

api

epoch

{epoch}

slots

Epoch slots

curl --request GET \
  --url 'https://beaconcha.in/api/v1/epoch/{epoch}/slots?apikey='

{
  "status": "OK",
  "data": [
    {
      "attestationscount": 8,
      "attesterslashingscount": 0,
      "blockroot": "0xeb64c069b979ef8eed41993ec0563f1ed0e935b95fcbe9ed26de4c904c94aeb3",
      "depositscount": 10,
      "epoch": 398479,
      "eth1data_blockhash": "0xeb64c069b979ef8eed41993ec0563f1ed0e935b95fcbe9ed26de4c904c94aeb3",
      "eth1data_depositcount": 2045305,
      "eth1data_depositroot": "0x2ebc563cabdbbacbc56f0de1d2d1c2d5315a4b071fcd8566aabbf0a45161c64e",
      "exec_base_fee_per_gas": 680634007,
      "exec_block_hash": "0x1f97b8eb2444d4fcdfd8dade8a9f8630860acca3ce694f800881fab642eace6c",
      "exec_block_number": 23525866,
      "exec_extra_data": "0x546974616e2028746974616e6275696c6465722e78797a29",
      "exec_fee_recipient": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97",
      "exec_gas_limit": 23525866,
      "exec_gas_used": 23525866,
      "exec_logs_bloom": "0x54a8a16a45119f9fd52558acccb035c9154b9b509664b87dcfdd129d7499b0a1249dd137bfed0146da934b6b47ea75dc77d1c67bac137b0914da37d4686c97ceba768dfa4ed0fcb8ed34d1ab91e99aa164663e32e7fe79386b627cba1e9cde870b71a9eabb4",
      "exec_parent_hash": "0x3f9eeb7bbcfa68b70ed5b15fe0476c0cd594a025032ad6522c2f087922393b3e",
      "exec_random": "0x2a9ef3da82054fe160d54973c8f7ce9482ff1ef0c09262d9a86e3641d1d52131",
      "exec_receipts_root": "0xbc1799c451b10b1689e540333ca2f9dac9a86a9654075a0d141385d6bbb8ceed",
      "exec_state_root": "0x8e251e0dd4aaf308b5c899c8f659e6de984aad11f4df85468d6cbf9edfa7ce48",
      "exec_timestamp": 1759839959,
      "exec_transactions_count": 3,
      "graffiti": "0x544b373536390000000000000000000000000000000000000000000000000000",
      "graffiti_text": "TK7569",
      "parentroot": "0x36ed53a94a32b494b3a26fbbb56c2ce2af9cf657a7c3975da96faf0fba66c2c2",
      "proposer": 1098947,
      "proposerslashingscount": 0,
      "randaoreveal": "0x8add195bc76c9cd723730cd4dae3098663f3e0257a543ed8ca4273471e1983c8c937ee37b95c7c30c5e91bf6a19b81a60f11bbb41014e45674e57566dba923b6c26b17911f811af04b28dce9020bb54b6f8de38bb63b8a0f9c4902357700e85b",
      "signature": "0xab6b6d826c14b6141e3406c5227ead15b133993195e96edc05fdeba998d0e0fd96e4ec5f47f6c9eec1558a59042c03d1016e679faf7300bc14737c7178c5cc01b2ea5f345e13cc2e29eeeefaf18cdcde6c0a99d80923ecf8ff8619a4d2511f6e",
      "slot": 12751457,
      "stateroot": "0xb4373fdde2b7e43692937e6982a853b747ae3ec2ec4721bee538f4770229415d",
      "status": "1",
      "syncaggregate_bits": "0xaf6d5ffa3fddbdd7a82286f7dd17b87bfdbbbf17733beda97eef74bfffdeff7fdf7dd1effdf0d3ffbf23feb97bf463febfb0edcceef65fea77fdbdcfb50edbf1",
      "syncaggregate_participation": 0.990234375,
      "syncaggregate_signature": "0xaa7c2f8db87e82ed4e45e0c328918f0f1ca88d6bdc1e20933816b22e3965099d2fcaa6960e76959921c0d6b5b7a73d1203e3bceaf2a23436f9eedc072d924b4270f21c57356ca99813e63b44dd4f363abc49466114b05736ef925d9330f93dd5",
      "voluntaryexitscount": 0,
      "withdrawalcount": 16
    }
  ]
}

Authorizations

apikey

string

query

required

Path Parameters

epoch

required

The epoch to fetch. Provide an integer epoch number (>= 0), or one of the keywords latest or finalized. Special tags for convenience.

Available options:

latest,

finalized

Example:

"latest"

Response

The epoch was found and all slots for the epoch are returned in the data field as an array. Each item describes one slot.

Standard success envelope used by all API endpoints.

status

enum<string>

HTTP-independent status of the API operation. For successful responses this is always "OK".

Available options:

OK

data

object[]

Response payload specific to the endpoint.

Show child attributes

data.attestationscount

integer

Number of attestations included in this block

Example:

8

data.attesterslashingscount

integer

Number of attester slashing operations included in this block

Example:

0

data.blockroot

string

Hash tree root of the beacon block header (0x-prefixed hex)

Example:

"0xeb64c069b979ef8eed41993ec0563f1ed0e935b95fcbe9ed26de4c904c94aeb3"

data.depositscount

integer

Number of deposit operations included in this block

Example:

10

data.epoch

integer

Beacon chain epoch that contains this slot

Example:

398479

data.eth1data_blockhash

string

Execution-layer block hash voted in the Eth1Data of this block (0x-prefixed hex)

Example:

"0xeb64c069b979ef8eed41993ec0563f1ed0e935b95fcbe9ed26de4c904c94aeb3"

data.eth1data_depositcount

integer

Cumulative number of deposits as reported in Eth1Data

Example:

2045305

data.eth1data_depositroot

string

Deposit tree root as reported in Eth1Data (0x-prefixed hex)

Example:

"0x2ebc563cabdbbacbc56f0de1d2d1c2d5315a4b071fcd8566aabbf0a45161c64e"

data.exec_base_fee_per_gas

integer | null

EIP-1559 base fee per gas for the embedded execution payload in wei per gas; null if no payload

Example:

680634007

data.exec_block_hash

string | null

Hash of the execution-layer block included as the payload; null if no payload

Example:

"0x1f97b8eb2444d4fcdfd8dade8a9f8630860acca3ce694f800881fab642eace6c"

data.exec_block_number

integer | null

Number of the execution-layer block included as the payload; null if no payload

Example:

23525866

data.exec_extra_data

string | null

Extra data field from the execution block header (0x-prefixed hex); null if no payload

Example:

"0x546974616e2028746974616e6275696c6465722e78797a29"

data.exec_fee_recipient

string | null

Fee recipient (coinbase) address of the execution payload; null if no payload

Example:

"0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97"

data.exec_gas_limit

integer | null

Gas limit of the execution payload block; null if no payload

Example:

23525866

data.exec_gas_used

integer | null

Gas used by the execution payload block; null if no payload

Example:

23525866

data.exec_logs_bloom

string | null

Logs bloom filter from the execution block header; null if no payload

Example:

"0x54a8a16a45119f9fd52558acccb035c9154b9b509664b87dcfdd129d7499b0a1249dd137bfed0146da934b6b47ea75dc77d1c67bac137b0914da37d4686c97ceba768dfa4ed0fcb8ed34d1ab91e99aa164663e32e7fe79386b627cba1e9cde870b71a9eabb4"

data.exec_parent_hash

string | null

Parent hash of the execution payload block; null if no payload

Example:

"0x3f9eeb7bbcfa68b70ed5b15fe0476c0cd594a025032ad6522c2f087922393b3e"

data.exec_random

string | null

prevRandao (mixHash) value in the execution block header; null if no payload

Example:

"0x2a9ef3da82054fe160d54973c8f7ce9482ff1ef0c09262d9a86e3641d1d52131"

data.exec_receipts_root

string | null

Receipts root of the execution payload block; null if no payload

Example:

"0xbc1799c451b10b1689e540333ca2f9dac9a86a9654075a0d141385d6bbb8ceed"

data.exec_state_root

string | null

State root of the execution payload block; null if no payload

Example:

"0x8e251e0dd4aaf308b5c899c8f659e6de984aad11f4df85468d6cbf9edfa7ce48"

data.exec_timestamp

integer | null

Timestamp of the execution payload block (Unix seconds); null if no payload

Example:

1759839959

data.exec_transactions_count

integer | null

Number of transactions included in the execution payload; null if no payload

Example:

3

data.graffiti

string

32-byte graffiti field from the beacon block body as 0x-prefixed hex

Example:

"0x544b373536390000000000000000000000000000000000000000000000000000"

data.graffiti_text

string

Graffiti rendered as UTF-8 text when printable; may be empty if not decodable

Example:

"TK7569"

data.parentroot

string

Root of the parent beacon block header (0x-prefixed hex)

Example:

"0x36ed53a94a32b494b3a26fbbb56c2ce2af9cf657a7c3975da96faf0fba66c2c2"

data.proposer

integer

Index of the validator that proposed this block

Example:

1098947

data.proposerslashingscount

integer

Number of proposer slashing operations included in this block

Example:

0

data.randaoreveal

string

Proposer's RANDAO reveal (BLS signature) contributing to beacon chain randomness (0x-prefixed hex)

Example:

"0x8add195bc76c9cd723730cd4dae3098663f3e0257a543ed8ca4273471e1983c8c937ee37b95c7c30c5e91bf6a19b81a60f11bbb41014e45674e57566dba923b6c26b17911f811af04b28dce9020bb54b6f8de38bb63b8a0f9c4902357700e85b"

data.signature

string

BLS signature of the beacon block header (0x-prefixed hex)

Example:

"0xab6b6d826c14b6141e3406c5227ead15b133993195e96edc05fdeba998d0e0fd96e4ec5f47f6c9eec1558a59042c03d1016e679faf7300bc14737c7178c5cc01b2ea5f345e13cc2e29eeeefaf18cdcde6c0a99d80923ecf8ff8619a4d2511f6e"

data.slot

integer

Beacon slot number of this block

Example:

12751457

data.stateroot

string

Root of the beacon state in the block header (0x-prefixed hex)

Example:

"0xb4373fdde2b7e43692937e6982a853b747ae3ec2ec4721bee538f4770229415d"

data.status

string

Block status code: '0' scheduled, '1' proposed (canonical), '2' missed, '3' orphaned

Example:

"1"

data.syncaggregate_bits

string

512-bit bitfield (0x-prefixed hex) indicating which sync committee members participated; one bit per member.

Example:

"0xaf6d5ffa3fddbdd7a82286f7dd17b87bfdbbbf17733beda97eef74bfffdeff7fdf7dd1effdf0d3ffbf23feb97bf463febfb0edcceef65fea77fdbdcfb50edbf1"

data.syncaggregate_participation

number

Participation ratio of the sync committee for this block (0..1)

Example:

0.990234375

data.syncaggregate_signature

string

Aggregated BLS signature of the sync committee for this block (0x-prefixed hex)

Example:

"0xaa7c2f8db87e82ed4e45e0c328918f0f1ca88d6bdc1e20933816b22e3965099d2fcaa6960e76959921c0d6b5b7a73d1203e3bceaf2a23436f9eedc072d924b4270f21c57356ca99813e63b44dd4f363abc49466114b05736ef925d9330f93dd5"

data.voluntaryexitscount

integer

Number of voluntary exit operations included in this block

Example:

0

data.withdrawalcount

integer

Number of withdrawals included in the execution payload of this block

Example:

16

Epoch overview

Slot overview

Introduction

API Docs

Authorizations

Path Parameters

Response