Attestations for a slot

Retrieve all attestations included in the beacon block for a specific slot. You can provide a slot number or the keyword latest to fetch attestations from the most recently processed slot. The response lists each aggregated attestation with its source/target checkpoints, committee index, and the participating validators.

GET /api/v1/slot/{slot}/attestations

Attestations for a slot

cURL

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

200

Example

{
  "status": "OK",
  "data": [
    {
      "aggregationbits": "0xff",
      "beaconblockroot": "0x94677296757527ccfd5849a6c07d179a9ed783a771c7bb305b9b9350fffd97d0",
      "block_index": 1,
      "block_root": "0xfa4349ae9843b52cd7e9ff42e43deaf3a9220c0ae3f3dd64da9c2c97544dfd4c",
      "block_slot": 12751688,
      "committeeindex": 1,
      "signature": "0xaa",
      "slot": 12751687,
      "source_epoch": 398489,
      "source_root": "0x1c2bfaa61c0f5f7a8f8e3a16f6d0f1d4b3f2a1c0b9a8d7c6e5f4d3c2b1a0f9e8",
      "target_epoch": 398490,
      "target_root": "0x88f88f748227a397a09a7b8cbe13dab1d0411950993e618fc7a6d76d1d7d0c76",
      "validators": [
        0,
        1,
        2,
        3
      ]
    }
  ]
}

Authorizations

ApiKeyAuthQueryApiKeyAuthHeader

apikey · string · query · required

Path Parameters

slot · integer enum<string> · required

The slot to fetch. Provide an integer slot number (>= 0) or the special tag latest for the most recently processed slot. Slot number (>= 0)

Required range: x >= 0

Example:

12751688

Response

200

application/json

The slot was found and its attestations are returned in the data array. If the slot has no attestations, the array is empty.

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