curl --request GET \
  --url https://toncenter.com/api/v3/masterchainBlockShards

{
  "address_book": {},
  "transactions": [
    {
      "account": "<string>",
      "account_state_after": {
        "account_status": "<string>",
        "balance": "<string>",
        "code_boc": "<string>",
        "code_hash": "<string>",
        "data_boc": "<string>",
        "data_hash": "<string>",
        "extra_currencies": {},
        "frozen_hash": "<string>",
        "hash": "<string>"
      },
      "account_state_before": {
        "account_status": "<string>",
        "balance": "<string>",
        "code_boc": "<string>",
        "code_hash": "<string>",
        "data_boc": "<string>",
        "data_hash": "<string>",
        "extra_currencies": {},
        "frozen_hash": "<string>",
        "hash": "<string>"
      },
      "block_ref": {
        "seqno": 123,
        "shard": "0",
        "workchain": 123
      },
      "description": {
        "aborted": true,
        "action": {
          "action_list_hash": "<string>",
          "msgs_created": 123,
          "no_funds": true,
          "result_arg": 123,
          "result_code": 123,
          "skipped_actions": 123,
          "spec_actions": 123,
          "status_change": "<string>",
          "success": true,
          "tot_actions": 123,
          "tot_msg_size": {
            "bits": "0",
            "cells": "0"
          },
          "total_action_fees": "0",
          "total_fwd_fees": "0",
          "valid": true
        },
        "bounce": {
          "fwd_fees": "0",
          "msg_fees": "0",
          "msg_size": {
            "bits": "0",
            "cells": "0"
          },
          "req_fwd_fees": "0",
          "type": "<string>"
        },
        "compute_ph": {
          "account_activated": true,
          "exit_arg": 123,
          "exit_code": 123,
          "gas_credit": "0",
          "gas_fees": "0",
          "gas_limit": "0",
          "gas_used": "0",
          "mode": 123,
          "msg_state_used": true,
          "reason": "<string>",
          "skipped": true,
          "success": true,
          "vm_final_state_hash": "<string>",
          "vm_init_state_hash": "<string>",
          "vm_steps": 123
        },
        "credit_first": true,
        "credit_ph": {
          "credit": "0",
          "credit_extra_currencies": {},
          "due_fees_collected": "0"
        },
        "destroyed": true,
        "installed": true,
        "is_tock": true,
        "split_info": {
          "acc_split_depth": 123,
          "cur_shard_pfx_len": 123,
          "sibling_addr": "<string>",
          "this_addr": "<string>"
        },
        "storage_ph": {
          "status_change": "<string>",
          "storage_fees_collected": "0",
          "storage_fees_due": "0"
        },
        "type": "<string>"
      },
      "emulated": true,
      "end_status": "<string>",
      "hash": "<string>",
      "in_msg": {
        "bounce": true,
        "bounced": true,
        "created_at": "0",
        "created_lt": "0",
        "decoded_opcode": "<string>",
        "destination": "<string>",
        "extra_flags": "<string>",
        "fwd_fee": "0",
        "hash": "<string>",
        "hash_norm": "<string>",
        "ihr_disabled": true,
        "ihr_fee": "0",
        "import_fee": "0",
        "in_msg_tx_hash": "<string>",
        "init_state": {
          "body": "<string>",
          "decoded": {},
          "hash": "<string>"
        },
        "message_content": {
          "body": "<string>",
          "decoded": {},
          "hash": "<string>"
        },
        "opcode": 123,
        "out_msg_tx_hash": "<string>",
        "source": "<string>",
        "value": "0",
        "value_extra_currencies": {}
      },
      "lt": "0",
      "mc_block_seqno": 123,
      "now": 123,
      "orig_status": "<string>",
      "out_msgs": [
        {
          "bounce": true,
          "bounced": true,
          "created_at": "0",
          "created_lt": "0",
          "decoded_opcode": "<string>",
          "destination": "<string>",
          "extra_flags": "<string>",
          "fwd_fee": "0",
          "hash": "<string>",
          "hash_norm": "<string>",
          "ihr_disabled": true,
          "ihr_fee": "0",
          "import_fee": "0",
          "in_msg_tx_hash": "<string>",
          "init_state": {
            "body": "<string>",
            "decoded": {},
            "hash": "<string>"
          },
          "message_content": {
            "body": "<string>",
            "decoded": {},
            "hash": "<string>"
          },
          "opcode": 123,
          "out_msg_tx_hash": "<string>",
          "source": "<string>",
          "value": "0",
          "value_extra_currencies": {}
        }
      ],
      "prev_trans_hash": "<string>",
      "prev_trans_lt": "0",
      "total_fees": "0",
      "total_fees_extra_currencies": {},
      "trace_external_hash": "<string>",
      "trace_id": "<string>"
    }
  ]
}

{
  "code": 123,
  "error": "<string>"
}