{ "info": { "_postman_id": "2a73fe7c-318e-4b93-a816-47998ab93df1", "name": "TaxJar Sales Tax Categories 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": "2026-07-28T03:07:58.000Z", "updatedAt": "2026-07-28T03:07:59.000Z", "lastUpdatedBy": "35240", "uid": "35240-2a73fe7c-318e-4b93-a816-47998ab93df1" }, "item": [ { "name": "categories", "item": [ { "name": "List tax categories", "id": "a53539c1-2a9c-4ba3-ad3d-dac7b9ce84c5", "protocolProfileBehavior": { "disableBodyPruning": true }, "request": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" } ], "url": { "raw": "{{baseUrl}}/categories", "host": [ "{{baseUrl}}" ], "path": [ "categories" ] }, "description": "Returns all available product tax categories with associated product tax codes that can be used to identify products subject to special tax rates." }, "response": [ { "id": "470d6385-7efe-45e1-9bb4-d2565854859e", "name": "List of tax categories", "originalRequest": { "method": "GET", "header": [ { "key": "Accept", "value": "application/json" }, { "description": "Added as a part of security scheme: bearer", "key": "Authorization", "value": "Bearer " } ], "url": { "raw": "{{baseUrl}}/categories", "host": [ "{{baseUrl}}" ], "path": [ "categories" ] } }, "status": "OK", "code": 200, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"categories\": [\n {\n \"name\": \"\",\n \"product_tax_code\": \"\",\n \"description\": \"\"\n },\n {\n \"name\": \"\",\n \"product_tax_code\": \"\",\n \"description\": \"\"\n }\n ]\n}", "createdAt": "2026-07-28T03:07:59.000Z", "updatedAt": "2026-07-28T03:07:59.000Z", "uid": "35240-470d6385-7efe-45e1-9bb4-d2565854859e" }, { "id": "a789c45c-4f06-454d-9cea-faccc9d44432", "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 " } ], "url": { "raw": "{{baseUrl}}/categories", "host": [ "{{baseUrl}}" ], "path": [ "categories" ] } }, "status": "Unauthorized", "code": 401, "_postman_previewlanguage": "json", "header": [ { "key": "Content-Type", "value": "application/json" } ], "cookie": [], "responseTime": null, "body": "{\n \"error\": \"\",\n \"detail\": \"\",\n \"status\": \"\"\n}", "createdAt": "2026-07-28T03:07:59.000Z", "updatedAt": "2026-07-28T03:07:59.000Z", "uid": "35240-a789c45c-4f06-454d-9cea-faccc9d44432" } ], "createdAt": "2026-07-28T03:07:59.000Z", "updatedAt": "2026-07-28T03:07:59.000Z", "uid": "35240-a53539c1-2a9c-4ba3-ad3d-dac7b9ce84c5" } ], "id": "faf3c400-3e5c-47a0-ba6d-88c49ec56bd2", "createdAt": "2026-07-28T03:07:59.000Z", "updatedAt": "2026-07-28T03:07:59.000Z", "uid": "35240-faf3c400-3e5c-47a0-ba6d-88c49ec56bd2" } ], "auth": { "type": "bearer", "bearer": [ { "key": "token", "value": "{{bearerToken}}", "type": "string" } ] }, "variable": [ { "key": "baseUrl", "value": "https://api.taxjar.com/v2" } ] }