Latest consensus and execution state

curl --request GET \
  --url 'https://beaconcha.in/api/v1/latestState?apikey='

{
  "status": "OK",
  "data": {
    "lastProposedSlot": 12771116,
    "currentSlot": 12771115,
    "currentEpoch": 399097,
    "currentFinalizedEpoch": 399094,
    "finalityDelay": 3,
    "syncing": false,
    "rates": {
      "tickerCurrency": "USD",
      "tickerCurrencySymbol": "$",
      "selectedCurrency": "ETH",
      "selectedCurrencySymbol": "ETH",
      "mainCurrency": "ETH",
      "mainCurrencySymbol": "ETH",
      "mainCurrencyPrice": 1,
      "mainCurrencyPriceFormatted": "1",
      "mainCurrencyKFormatted": "1",
      "mainCurrencyTickerPrice": 4366.60356702,
      "mainCurrencyTickerPriceFormatted": "4<span class=\"thousands-separator\"></span>366",
      "mainCurrencyTickerPriceKFormatted": "4<span class=\"thousands-separator\"></span>366",
      "elCurrency": "ETH",
      "elCurrencySymbol": "ETH",
      "elCurrencyPrice": 1,
      "elCurrencyPriceFormatted": "1",
      "elCurrencyKFormatted": "1",
      "clCurrency": "ETH",
      "clCurrencySymbol": "ETH",
      "clCurrencyPrice": 1,
      "clCurrencyPriceFormatted": "1",
      "clCurrencyKFormatted": "1",
      "mainCurrencyTickerPrices": {}
    }
  }
}

GET

api

latestState

Latest consensus and execution state

curl --request GET \
  --url 'https://beaconcha.in/api/v1/latestState?apikey='

{
  "status": "OK",
  "data": {
    "lastProposedSlot": 12771116,
    "currentSlot": 12771115,
    "currentEpoch": 399097,
    "currentFinalizedEpoch": 399094,
    "finalityDelay": 3,
    "syncing": false,
    "rates": {
      "tickerCurrency": "USD",
      "tickerCurrencySymbol": "$",
      "selectedCurrency": "ETH",
      "selectedCurrencySymbol": "ETH",
      "mainCurrency": "ETH",
      "mainCurrencySymbol": "ETH",
      "mainCurrencyPrice": 1,
      "mainCurrencyPriceFormatted": "1",
      "mainCurrencyKFormatted": "1",
      "mainCurrencyTickerPrice": 4366.60356702,
      "mainCurrencyTickerPriceFormatted": "4<span class=\"thousands-separator\"></span>366",
      "mainCurrencyTickerPriceKFormatted": "4<span class=\"thousands-separator\"></span>366",
      "elCurrency": "ETH",
      "elCurrencySymbol": "ETH",
      "elCurrencyPrice": 1,
      "elCurrencyPriceFormatted": "1",
      "elCurrencyKFormatted": "1",
      "clCurrency": "ETH",
      "clCurrencySymbol": "ETH",
      "clCurrencyPrice": 1,
      "clCurrencyPriceFormatted": "1",
      "clCurrencyKFormatted": "1",
      "mainCurrencyTickerPrices": {}
    }
  }
}

Authorizations

apikey

string

query

required

Response

Latest state was retrieved successfully. The data object contains the current chain status and pricing context.

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

Snapshot of the latest beacon chain state along with pricing metadata used by the UI.

Show child attributes

data.lastProposedSlot

integer

Highest slot number for which a block proposal has been observed and indexed.

Required range: x >= 0

Example:

12771116

data.currentSlot

integer

Latest processed slot number based on chain time as observed by the backend.

Required range: x >= 0

Example:

12771115

data.currentEpoch

integer

Epoch number corresponding to the current slot.

Required range: x >= 0

Example:

399097

data.currentFinalizedEpoch

integer

Most recent epoch that has been finalized by the consensus protocol.

Required range: x >= 0

Example:

399094

data.finalityDelay

integer

Number of epochs between the current epoch and the latest finalized epoch (currentEpoch - currentFinalizedEpoch). Always non-negative.

Required range: x >= 0

Example:

3

data.syncing

boolean

Indicates whether the backend is still catching up to the network head. When true, some values may lag behind real time.

Example:

false

data.rates

object

Currency settings and price data used for value conversions in the UI.

Show child attributes

data.rates.tickerCurrency

string

Fiat currency code used for the price ticker (ISO 4217 code, e.g., USD, EUR).

Example:

"USD"

data.rates.tickerCurrencySymbol

string

Symbol of the ticker fiat currency.

Example:

"$"

data.rates.selectedCurrency

string

Primary asset selected for display in the UI (usually ETH).

Example:

"ETH"

data.rates.selectedCurrencySymbol

string

Symbol used for the selected currency.

Example:

"ETH"

data.rates.mainCurrency

string

Primary asset used for conversions and price displays (same as selectedCurrency in most deployments).

Example:

"ETH"

data.rates.mainCurrencySymbol

string

Symbol used for the primary asset.

Example:

"ETH"

data.rates.mainCurrencyPrice

number

Conversion rate of the primary asset to itself. This is 1 when mainCurrency equals the base asset (ETH).

Example:

1

data.rates.mainCurrencyPriceFormatted

string

Formatted string representation of mainCurrencyPrice for UI display (may include separators or HTML markup).

Example:

"1"

data.rates.mainCurrencyKFormatted

string

Abbreviated (thousands) representation of mainCurrencyPrice for compact displays.

Example:

"1"

data.rates.mainCurrencyTickerPrice

number

Spot price of the primary asset in the ticker fiat currency.

Example:

4366.60356702

data.rates.mainCurrencyTickerPriceFormatted

string

Formatted string representation of mainCurrencyTickerPrice for UI display (may include thousands separators or HTML markup).

Example:

"4<span class=\"thousands-separator\"></span>366"

data.rates.mainCurrencyTickerPriceKFormatted

string

Abbreviated (thousands) representation of mainCurrencyTickerPrice for compact displays.

Example:

"4<span class=\"thousands-separator\"></span>366"

data.rates.elCurrency

string

Asset used when displaying values originating from the execution layer (typically ETH).

Example:

"ETH"

data.rates.elCurrencySymbol

string

Symbol used for the execution-layer asset.

Example:

"ETH"

data.rates.elCurrencyPrice

number

Conversion rate of the execution-layer asset to itself. This is 1 when elCurrency equals ETH.

Example:

1

data.rates.elCurrencyPriceFormatted

string

Formatted string representation of elCurrencyPrice.

Example:

"1"

data.rates.elCurrencyKFormatted

string

Abbreviated (thousands) representation of elCurrencyPrice.

Example:

"1"

data.rates.clCurrency

string

Asset used when displaying values originating from the consensus layer (typically ETH).

Example:

"ETH"

data.rates.clCurrencySymbol

string

Symbol used for the consensus-layer asset.

Example:

"ETH"

data.rates.clCurrencyPrice

number

Conversion rate of the consensus-layer asset to itself. This is 1 when clCurrency equals ETH.

Example:

1

data.rates.clCurrencyPriceFormatted

string

Formatted string representation of clCurrencyPrice.

Example:

"1"

data.rates.clCurrencyKFormatted

string

Abbreviated (thousands) representation of clCurrencyPrice.

Example:

"1"

data.rates.mainCurrencyTickerPrices

object

Map of fiat currency codes to compact price representations for the primary asset.

Show child attributes

data.rates.mainCurrencyTickerPrices.{key}

object

Compact price representation used in UI tickers for a specific fiat currency.

Show child attributes

data.rates.mainCurrencyTickerPrices.{key}.symbol

string

Fiat currency symbol corresponding to the price (e.g., $, €).

Example:

"$"

data.rates.mainCurrencyTickerPrices.{key}.roundPrice

integer

Price rounded to the nearest integer amount in the fiat currency.

Example:

4366

data.rates.mainCurrencyTickerPrices.{key}.truncPrice

string

Abbreviated string representation (e.g., 4.3k) for compact displays.

Example:

"4.3k"

Getting Started

Epoch overview

Introduction

API Docs

Latest consensus and execution state

Authorizations

Response