curl --request POST \
  --url https://api.example.com/block \
  --header 'Content-Type: application/json' \
  --data '
{
  "method": "block",
  "params": {
    "block_id": 1
  },
  "id": "dontcare",
  "jsonrpc": "2.0"
}
'

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({method: 'block', params: {block_id: 1}, id: 'dontcare', jsonrpc: '2.0'})
};

fetch('https://api.example.com/block', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.example.com/block"

payload = {
    "method": "block",
    "params": { "block_id": 1 },
    "id": "dontcare",
    "jsonrpc": "2.0"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "result": {
    "author": "<string>",
    "chunks": [
      {
        "balance_burnt": "<string>",
        "chunk_hash": "<string>",
        "encoded_length": 1,
        "encoded_merkle_root": "<string>",
        "gas_limit": 1,
        "gas_used": 1,
        "height_created": 1,
        "height_included": 1,
        "outcome_root": "<string>",
        "outgoing_receipts_root": "<string>",
        "prev_block_hash": "<string>",
        "prev_state_root": "<string>",
        "shard_id": 1,
        "signature": "<string>",
        "tx_root": "<string>",
        "validator_proposals": [
          {
            "account_id": "<string>",
            "public_key": "<string>",
            "stake": "<string>",
            "validator_stake_struct_version": "V1"
          }
        ],
        "bandwidth_requests": {
          "V1": {
            "requests": [
              {
                "requested_values_bitmap": {
                  "data": [
                    127
                  ]
                },
                "to_shard": 32767
              }
            ]
          }
        },
        "congestion_info": {
          "allowed_shard": 32767,
          "buffered_receipts_gas": "<string>",
          "delayed_receipts_gas": "<string>",
          "receipt_bytes": 1
        },
        "proposed_split": {
          "boundary_account": "<string>",
          "left_memory": 1,
          "right_memory": 1
        },
        "rent_paid": "0",
        "validator_reward": "0"
      }
    ],
    "header": {
      "approvals": [
        "<string>"
      ],
      "block_merkle_root": "<string>",
      "challenges_result": [
        {
          "account_id": "<string>",
          "is_double_sign": true
        }
      ],
      "challenges_root": "<string>",
      "chunk_headers_root": "<string>",
      "chunk_mask": [
        true
      ],
      "chunk_receipts_root": "<string>",
      "chunk_tx_root": "<string>",
      "chunks_included": 1,
      "epoch_id": "<string>",
      "gas_price": "<string>",
      "hash": "<string>",
      "height": 1,
      "last_ds_final_block": "<string>",
      "last_final_block": "<string>",
      "latest_protocol_version": 1,
      "next_bp_hash": "<string>",
      "next_epoch_id": "<string>",
      "outcome_root": "<string>",
      "prev_hash": "<string>",
      "prev_state_root": "<string>",
      "random_value": "<string>",
      "signature": "<string>",
      "timestamp": 1,
      "timestamp_nanosec": "<string>",
      "total_supply": "<string>",
      "validator_proposals": [
        {
          "account_id": "<string>",
          "public_key": "<string>",
          "stake": "<string>",
          "validator_stake_struct_version": "V1"
        }
      ],
      "block_body_hash": "<string>",
      "block_ordinal": 1,
      "chunk_endorsements": [
        [
          127
        ]
      ],
      "chunk_execution_root": "<string>",
      "epoch_sync_data_hash": "<string>",
      "prev_height": 1,
      "prev_last_certified_block_epoch_id": "<string>",
      "rent_paid": "0",
      "shard_split": [
        1
      ],
      "spice_chunk_endorsement_stats": [
        {
          "expected": 1,
          "produced": 1
        }
      ],
      "validator_reward": "0"
    }
  },
  "id": "<string>",
  "jsonrpc": "<string>"
}