/v2/beacon/blocks/{block_id}

curl https://eth-mainnetbeacon.g.alchemy.com/v2/docs-demo/eth/v2/beacon/blocks/head

{
  "version": "electra",
  "execution_optimistic": false,
  "finalized": false,
  "data": {
    "message": {
      "slot": "12304813",
      "proposer_index": "356622",
      "parent_root": "0x9d7bf160847cebe069890d0d1811bd7665bff49fb65c311805ee0f124f4c7de2",
      "state_root": "0xb0850a65116ed2fdd74340230967f3688d076d3d9903e61d0de174ff9a09a385",
      "body": {
        "randao_reveal": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505",
        "eth1_data": {
          "deposit_root": "0x2ebc563cabdbbacbc56f0de1d2d1c2d5315a4b071fcd8566aabbf0a45161c64e",
          "deposit_count": "2045305",
          "block_hash": "0x0958d83550263ff0d9f9a0bc5ea3cd2a136e0933b6f43cbb17f36e4da8d809b1"
        },
        "graffiti": "0x0000000000000000000000000000000000000000000000000000000000000000",
        "proposer_slashings": [],
        "attester_slashings": [],
        "attestations": [
          {
            "aggregation_bits": "0xfffffffbffffffff...",
            "data": {
              "slot": "12304812",
              "index": "0",
              "beacon_block_root": "0x9d7bf160847cebe069890d0d1811bd7665bff49fb65c311805ee0f124f4c7de2",
              "source": {
                "epoch": "384524",
                "root": "0x69d231105c8c6e602d868fc5e4015b429cf330125c3fdade8ac034db36f049b0"
              },
              "target": {
                "epoch": "384525",
                "root": "0x18a7f340369eb4459e2274fc3eb98aad725351a9031fe3cbea8e75e888d5f78d"
              }
            },
            "signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505",
            "committee_bits": "0xffffffffffffffff"
          }
        ],
        "deposits": [],
        "voluntary_exits": [],
        "sync_aggregate": {
          "sync_committee_bits": "0x01",
          "sync_committee_signature": "0xa5fc41bbabe5c6bf0e118146e6d517..."
        },
        "bls_to_execution_changes": [],
        "blob_kzg_commitments": [],
        "execution_payload": {
          "parent_hash": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2",
          "fee_recipient": "0xAbcF8e0d4e9587369b2301D0790347320302cc09",
          "state_root": "0xcf8e0d4e9587369b2301d0790347320302cc0943d5a1884560367e8208d920f2",
          "block_number": "1",
          "gas_limit": "1",
          "gas_used": "1",
          "timestamp": "1",
          "transactions": [],
          "withdrawals": []
        },
        "execution_requests": {
          "deposits": [],
          "withdrawals": [],
          "consolidations": []
        }
      }
    },
    "signature": "0x1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505cc411d61252fb6cb3fa0017b679f8bb2305b26a285fa2737f175668d0dff91cc1b66ac1fb663c9bc59509846d6ec05345bd908eda73e670af888da41af171505"
  }
}

Retrieves full block details for the given block identifier.

Path parameters

block_idstringRequired

Block identifier. Can be one of: head (canonical head in node’s view), genesis, finalized, <slot>, <hex encoded blockRoot with 0x prefix>.

Response

Block retrieved successfully.

versionstring or null

Protocol version (e.g. “electra”).

execution_optimisticboolean or null

Whether the execution payload is optimistic.

finalizedboolean or null

Whether the block is finalized.

dataobject or null

Block contents.