{
  "info": {
    "_postman_id": "a3e57b36-f72c-404a-860d-3699521e8369",
    "name": "TaxJar Sales Tax Categories Nexus API",
    "description": "REST API for real-time sales tax calculation, rooftop-level rate lookups, tax category listing, transaction management (orders and refunds), customer exemption management, nexus region tracking, address validation, and VAT validation. Supports token-based authentication via Authorization header. TaxJar is a Stripe company providing sub-20ms response times and 99.999% historical uptime.\n\nContact Support:\n Name: TaxJar Developer Support",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json",
    "createdAt": "2026-07-28T03:08:07.000Z",
    "updatedAt": "2026-07-28T03:08:07.000Z",
    "lastUpdatedBy": "35240",
    "uid": "35240-a3e57b36-f72c-404a-860d-3699521e8369"
  },
  "item": [
    {
      "name": "nexus",
      "item": [
        {
          "name": "regions",
          "item": [
            {
              "name": "List nexus regions",
              "id": "9d49771a-15a4-47b5-8f86-2fb9480ad1f2",
              "protocolProfileBehavior": {
                "disableBodyPruning": true
              },
              "request": {
                "method": "GET",
                "header": [
                  {
                    "key": "Accept",
                    "value": "application/json"
                  }
                ],
                "url": {
                  "raw": "{{baseUrl}}/nexus/regions",
                  "host": [
                    "{{baseUrl}}"
                  ],
                  "path": [
                    "nexus",
                    "regions"
                  ]
                },
                "description": "Returns a list of nexus regions (states/countries where you have tax nexus) for the authenticated account."
              },
              "response": [
                {
                  "id": "984ec330-f8b3-46fc-8a69-40288d0b7706",
                  "name": "List of nexus regions",
                  "originalRequest": {
                    "method": "GET",
                    "header": [
                      {
                        "key": "Accept",
                        "value": "application/json"
                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "url": {
                      "raw": "{{baseUrl}}/nexus/regions",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "nexus",
                        "regions"
                      ]
                    }
                  },
                  "status": "OK",
                  "code": 200,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"regions\": [\n    {\n      \"country_code\": \"<string>\",\n      \"country\": \"<string>\",\n      \"region_code\": \"<string>\",\n      \"region\": \"<string>\"\n    },\n    {\n      \"country_code\": \"<string>\",\n      \"country\": \"<string>\",\n      \"region_code\": \"<string>\",\n      \"region\": \"<string>\"\n    }\n  ]\n}",
                  "createdAt": "2026-07-28T03:08:07.000Z",
                  "updatedAt": "2026-07-28T03:08:07.000Z",
                  "uid": "35240-984ec330-f8b3-46fc-8a69-40288d0b7706"
                },
                {
                  "id": "c03451a2-6b4c-4464-9882-5e3e90a6254c",
                  "name": "Unauthorized - invalid or missing API token",
                  "originalRequest": {
                    "method": "GET",
                    "header": [
                      {
                        "key": "Accept",
                        "value": "application/json"
                      },
                      {
                        "description": "Added as a part of security scheme: bearer",
                        "key": "Authorization",
                        "value": "Bearer <token>"
                      }
                    ],
                    "url": {
                      "raw": "{{baseUrl}}/nexus/regions",
                      "host": [
                        "{{baseUrl}}"
                      ],
                      "path": [
                        "nexus",
                        "regions"
                      ]
                    }
                  },
                  "status": "Unauthorized",
                  "code": 401,
                  "_postman_previewlanguage": "json",
                  "header": [
                    {
                      "key": "Content-Type",
                      "value": "application/json"
                    }
                  ],
                  "cookie": [],
                  "responseTime": null,
                  "body": "{\n  \"error\": \"<string>\",\n  \"detail\": \"<string>\",\n  \"status\": \"<integer>\"\n}",
                  "createdAt": "2026-07-28T03:08:07.000Z",
                  "updatedAt": "2026-07-28T03:08:07.000Z",
                  "uid": "35240-c03451a2-6b4c-4464-9882-5e3e90a6254c"
                }
              ],
              "createdAt": "2026-07-28T03:08:07.000Z",
              "updatedAt": "2026-07-28T03:08:07.000Z",
              "uid": "35240-9d49771a-15a4-47b5-8f86-2fb9480ad1f2"
            }
          ],
          "id": "ea7925b2-f864-43f7-982d-f47b9d32d364",
          "createdAt": "2026-07-28T03:08:07.000Z",
          "updatedAt": "2026-07-28T03:08:07.000Z",
          "uid": "35240-ea7925b2-f864-43f7-982d-f47b9d32d364"
        }
      ],
      "id": "8478b5b9-9237-4c4b-8a64-5e4162063a1e",
      "createdAt": "2026-07-28T03:08:07.000Z",
      "updatedAt": "2026-07-28T03:08:07.000Z",
      "uid": "35240-8478b5b9-9237-4c4b-8a64-5e4162063a1e"
    }
  ],
  "auth": {
    "type": "bearer",
    "bearer": [
      {
        "key": "token",
        "value": "{{bearerToken}}",
        "type": "string"
      }
    ]
  },
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://api.taxjar.com/v2"
    }
  ]
}