curl --request POST \
  --url https://beaconcha.in/api/v2/ethereum/validators \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "validator": {
    "validator_identifiers": [
      1
    ]
  },
  "chain": "mainnet",
  "cursor": "",
  "page_size": 10
}
'

{
  "data": [
    {
      "validator": {
        "index": 1,
        "public_key": "<string>"
      },
      "slashed": true,
      "withdrawal_credentials": {
        "credential": "<string>",
        "address": "<string>"
      },
      "life_cycle_epochs": {
        "activation_eligibility": 123,
        "activation": 123,
        "exit": 123,
        "withdrawable": 123
      },
      "balances": {
        "current": "<string>",
        "effective": "<string>"
      },
      "finality": "not_finalized",
      "online": true
    }
  ],
  "range": {
    "slot": {
      "start": 1,
      "end": 1
    },
    "epoch": {
      "start": 1,
      "end": 1
    },
    "timestamp": {
      "start": 1,
      "end": 1
    }
  },
  "paging": {
    "next_cursor": "<string>"
  }
}