{
  "info": {
    "_postman_id": "6d8b3700-f7a0-4413-9494-885be3dec1e8",
    "name": "Arweave HTTP Node Blocks API",
    "description": "The core Arweave node REST API for submitting and retrieving transactions, uploading data chunks, querying wallet balances, fetching blocks, and inspecting network state. Requests target any Arweave node on port 1984 (default gateway arweave.net). Amounts are denominated in winstons (1 AR = 10^12 winstons).\n\n\nContact Support:\n Name: Arweave Team\n Email: team@arweave.org",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T01:04:58.000Z",
    "updatedAt": "2026-07-28T01:04:58.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-6d8b3700-f7a0-4413-9494-885be3dec1e8"
  },
  "item": [
    {
      "name": "block",
      "item": [
        {
          "name": "hash",
          "item": [
            {
              "name": "{id}",
              "item": [
                {
                  "name": "Get block by hash",
                  "id": "dd037e3b-36fd-4d7c-a0ac-beb89b36bb36",
                  "protocolProfileBehavior": {
                    "disableBodyPruning": true
                  },
                  "request": {
                    "method": "GET",
                    "header": [
                      {
                        "key": "Accept",
                        "value": "application/json"
                      }
                    ],
                    "url": {
                      "raw": "{{baseUrl}}/block/hash/:id",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "block",
                        "hash",
                        ":id"
                      ],
                      "variable": [
                        {
                          "id": "2214d484-d242-46a7-9850-07bd4e468b79",
                          "key": "id",
                          "value": "<string>",
                          "description": "(Required) Block independent hash (indep_hash, Base64URL encoded)"
                        }
                      ]
                    },
                    "description": "Retrieve a full block object by its independent hash (indep_hash). Include the header X-Block-Format: 2 to request the v2 block format.\n"
                  },
                  "response": [
                    {
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                      "name": "Block returned",
                      "originalRequest": {
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                        "header": [
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                            "key": "Accept",
                            "value": "application/json"
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                        ],
                        "url": {
                          "raw": "{{baseUrl}}/block/hash/:id",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "block",
                            "hash",
                            ":id"
                          ],
                          "variable": [
                            {
                              "key": "id"
                            }
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                        }
                      },
                      "status": "OK",
                      "code": 200,
                      "_postman_previewlanguage": "json",
                      "header": [
                        {
                          "key": "Content-Type",
                          "value": "application/json"
                        }
                      ],
                      "cookie": [],
                      "responseTime": null,
                      "body": "{\n  \"nonce\": \"<string>\",\n  \"previous_block\": \"<string>\",\n  \"timestamp\": \"<integer>\",\n  \"diff\": \"<string>\",\n  \"height\": \"<integer>\",\n  \"hash\": \"<string>\",\n  \"indep_hash\": \"<string>\",\n  \"txs\": [\n    \"<string>\",\n    \"<string>\"\n  ],\n  \"wallet_list\": \"<string>\",\n  \"reward_addr\": \"<string>\",\n  \"reward_pool\": \"<string>\",\n  \"weave_size\": \"<string>\",\n  \"block_size\": \"<string>\",\n  \"cumulative_diff\": \"<string>\",\n  \"hash_list_merkle\": \"<string>\",\n  \"poa\": {\n    \"option\": \"<string>\",\n    \"tx_path\": \"<string>\",\n    \"data_path\": \"<string>\",\n    \"chunk\": \"<string>\"\n  }\n}",
                      "createdAt": "2026-07-28T01:04:59.000Z",
                      "updatedAt": "2026-07-28T01:04:59.000Z",
                      "uid": "35240-8cc77c83-70b0-49dd-9bd8-9d44cd3ec18c"
                    },
                    {
                      "id": "a2ae7136-5ddf-433e-8913-c9983210e8ea",
                      "name": "Block not found",
                      "originalRequest": {
                        "method": "GET",
                        "header": [],
                        "url": {
                          "raw": "{{baseUrl}}/block/hash/:id",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "block",
                            "hash",
                            ":id"
                          ],
                          "variable": [
                            {
                              "key": "id"
                            }
                          ]
                        }
                      },
                      "status": "Not Found",
                      "code": 404,
                      "_postman_previewlanguage": "text",
                      "header": [],
                      "cookie": [],
                      "responseTime": null,
                      "body": null,
                      "createdAt": "2026-07-28T01:04:59.000Z",
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                      "uid": "35240-a2ae7136-5ddf-433e-8913-c9983210e8ea"
                    }
                  ],
                  "createdAt": "2026-07-28T01:04:59.000Z",
                  "updatedAt": "2026-07-28T01:04:59.000Z",
                  "uid": "35240-dd037e3b-36fd-4d7c-a0ac-beb89b36bb36"
                }
              ],
              "id": "d870bf54-9bcc-4197-9300-b8452d9d7f6b",
              "createdAt": "2026-07-28T01:04:59.000Z",
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              "uid": "35240-d870bf54-9bcc-4197-9300-b8452d9d7f6b"
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          ],
          "id": "34350221-a8c3-43fd-b041-27d6a29bf2a2",
          "createdAt": "2026-07-28T01:04:59.000Z",
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          "uid": "35240-34350221-a8c3-43fd-b041-27d6a29bf2a2"
        },
        {
          "name": "height",
          "item": [
            {
              "name": "{height}",
              "item": [
                {
                  "name": "Get block by height",
                  "id": "fea7daeb-89bd-4df1-b3b9-626024b5389f",
                  "protocolProfileBehavior": {
                    "disableBodyPruning": true
                  },
                  "request": {
                    "method": "GET",
                    "header": [
                      {
                        "key": "Accept",
                        "value": "application/json"
                      }
                    ],
                    "url": {
                      "raw": "{{baseUrl}}/block/height/:height",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "block",
                        "height",
                        ":height"
                      ],
                      "variable": [
                        {
                          "id": "09fc84d3-1b19-4c28-8209-c6b924d91d63",
                          "key": "height",
                          "value": "<integer>",
                          "description": "(Required) Block height (block number, 0-indexed)"
                        }
                      ]
                    },
                    "description": "Retrieve a full block object by its block height (block number). Include the header X-Block-Format: 2 to request the v2 block format.\n"
                  },
                  "response": [
                    {
                      "id": "c0e4df69-4aa0-4fa5-ad44-0a2d9cb50a48",
                      "name": "Block returned",
                      "originalRequest": {
                        "method": "GET",
                        "header": [
                          {
                            "key": "Accept",
                            "value": "application/json"
                          }
                        ],
                        "url": {
                          "raw": "{{baseUrl}}/block/height/:height",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "block",
                            "height",
                            ":height"
                          ],
                          "variable": [
                            {
                              "key": "height"
                            }
                          ]
                        }
                      },
                      "status": "OK",
                      "code": 200,
                      "_postman_previewlanguage": "json",
                      "header": [
                        {
                          "key": "Content-Type",
                          "value": "application/json"
                        }
                      ],
                      "cookie": [],
                      "responseTime": null,
                      "body": "{\n  \"nonce\": \"<string>\",\n  \"previous_block\": \"<string>\",\n  \"timestamp\": \"<integer>\",\n  \"diff\": \"<string>\",\n  \"height\": \"<integer>\",\n  \"hash\": \"<string>\",\n  \"indep_hash\": \"<string>\",\n  \"txs\": [\n    \"<string>\",\n    \"<string>\"\n  ],\n  \"wallet_list\": \"<string>\",\n  \"reward_addr\": \"<string>\",\n  \"reward_pool\": \"<string>\",\n  \"weave_size\": \"<string>\",\n  \"block_size\": \"<string>\",\n  \"cumulative_diff\": \"<string>\",\n  \"hash_list_merkle\": \"<string>\",\n  \"poa\": {\n    \"option\": \"<string>\",\n    \"tx_path\": \"<string>\",\n    \"data_path\": \"<string>\",\n    \"chunk\": \"<string>\"\n  }\n}",
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                      "updatedAt": "2026-07-28T01:04:59.000Z",
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                    },
                    {
                      "id": "225d5515-d807-4705-b707-93dd25969978",
                      "name": "Block not found",
                      "originalRequest": {
                        "method": "GET",
                        "header": [],
                        "url": {
                          "raw": "{{baseUrl}}/block/height/:height",
                          "host": [
                            "{{baseUrl}}"
                          ],
                          "path": [
                            "block",
                            "height",
                            ":height"
                          ],
                          "variable": [
                            {
                              "key": "height"
                            }
                          ]
                        }
                      },
                      "status": "Not Found",
                      "code": 404,
                      "_postman_previewlanguage": "text",
                      "header": [],
                      "cookie": [],
                      "responseTime": null,
                      "body": null,
                      "createdAt": "2026-07-28T01:04:59.000Z",
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                  ],
                  "createdAt": "2026-07-28T01:04:59.000Z",
                  "updatedAt": "2026-07-28T01:04:59.000Z",
                  "uid": "35240-fea7daeb-89bd-4df1-b3b9-626024b5389f"
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              ],
              "id": "b136e989-298e-487b-8ec2-f7c94984b6aa",
              "createdAt": "2026-07-28T01:04:59.000Z",
              "updatedAt": "2026-07-28T01:04:59.000Z",
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  ],
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://arweave.net"
    }
  ]
}