---
title: "获取话题详情/Get topic info"
method: GET
path: "/api/v1/xiaohongshu/app_v2/get_topic_info"
tags: ["Xiaohongshu-App-V2-API"]
---

# 获取话题详情/Get topic info

`GET /api/v1/xiaohongshu/app_v2/get_topic_info`

## Request

- Base URL: `https://api.tikhub.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.tikhub.io/api/v1/xiaohongshu/app_v2/get_topic_info`
- Auth: HTTP bearer

# [中文]
### 用途:
- 获取指定话题的详细信息，包括话题名称、浏览量、讨论数、分享信息等
### ⚠️ 计费提示:
- 如果传入错误或不存在的话题页面ID，接口仍会正常响应，但 `data` 中会返回上游"服务异常"信息，该请求 **同样会正常计费扣费**，请在调用前确保参数有效。
### 参数:
- page_id: 话题页面ID（必需），如 "5c1cc866febed9000184b7c1"
- source: 来源，默认 "normal"
- note_id: 来源笔记ID，从笔记跳转到话题时传入（可选）
### 返回:
- 话题详情数据，包含 page_info（名称/浏览量/讨论数）、tabs、share_info 等

# [English]
### Purpose:
- Get topic detail info, including topic name, view count, discussion count, share info, etc.
### ⚠️ Billing Notice:
- If a wrong or non-existent topic page ID is passed, the endpoint still responds normally, but the `data` field will contain an upstream "service error" message. Such requests **will still be billed as normal**. Please make sure the parameters are valid before calling.
### Parameters:
- page_id: Topic page ID (required), e.g. "5c1cc866febed9000184b7c1"
- source: Source, default "normal"
- note_id: Source note ID, pass when jumping from note to topic (optional)
### Return:
- Topic detail data, including page_info (name/view count/discussion count), tabs, share_info, etc.

# [示例/Example]
page_id="5c1cc866febed9000184b7c1"

## Query parameters

- `page_id` string, required: 话题页面ID/Topic page ID
- `source` string: 来源/Source
- `note_id` string: 来源笔记ID，从笔记跳转到话题时传入/Source note ID, pass when jumping from note to topic

## Response `200`

Successful Response

- ResponseModel
  - `code` integer: HTTP status code | HTTP状态码
  - `request_id` string, nullable: Unique request identifier | 唯一请求标识符
  - `message` string: Response message (EN-US) | 响应消息 (English)
  - `message_zh` string: Response message (ZH-CN) | 响应消息 (中文)
  - `support` string: Support message | 支持消息
  - `time` string: The time the response was generated | 生成响应的时间
  - `time_stamp` integer: The timestamp the response was generated | 生成响应的时间戳
  - `time_zone` string: The timezone of the response time | 响应时间的时区
  - `docs` string, nullable: Link to the API Swagger documentation for this endpoint | 此端点的 API Swagger 文档链接
  - `cache_message` string, nullable: Cache message (EN-US) | 缓存消息 (English)
  - `cache_message_zh` string, nullable: Cache message (ZH-CN) | 缓存消息 (中文)
  - `cache_url` string, nullable: The URL to access the cached result | 访问缓存结果的 URL
  - `router` string: The endpoint that generated this response | 生成此响应的端点
  - `params` unknown
  - `data` unknown

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-08** `96a122a5f220`: 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
- **2026-09-01** `50f9ec6e1cd3`: 2 info
  - the `cache_message` response's property default value changed from `This request will be cached. You can access the cached result directly using the URL below, valid for 24 hours. Accessing the cache will not incur additional charges.` to `This response is cached and accessible via the URL below for 24 hours at no extra cost. The cache is for request tracing only — it doesn't affect the API's data freshness and won't be returned through the API again.` for the status `200`
  - the `cache_message_zh` response's property default value changed from `本次请求将被缓存，你可以使用下面的 URL 直接访问缓存结果，有效期为 24 小时，访问缓存不会产生额外费用。` to `本次响应已缓存，可通过下方 URL 直接查看，有效期 24 小时，访问缓存链接无额外费用。缓存仅用于请求溯源，不影响接口数据的时效性，也不会再次通过接口返回。` for the status `200`
- **2026-04-14** `ee5b7c9c88f5`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/tikhub/apis/tikhub-douyin-tiktok-xiaohongshu-lemon8-bilibili-kuaishou-pi/changes/api/v1/xiaohongshu/app_v2/get_topic_info/get.md)

---

[API](https://skmtc.dev/tikhub/apis/tikhub-douyin-tiktok-xiaohongshu-lemon8-bilibili-kuaishou-pi.md) - [All operations](https://skmtc.dev/tikhub/apis/tikhub-douyin-tiktok-xiaohongshu-lemon8-bilibili-kuaishou-pi/llms.txt) - [OpenAPI document](https://skmtc.dev/tikhub/apis/tikhub-douyin-tiktok-xiaohongshu-lemon8-bilibili-kuaishou-pi/revisions/86a3483c705a?raw)