---
title: "获取关联词分析/Get relation word analysis"
method: POST
path: "/api/v1/douyin/index/fetch_relation_word"
tags: ["Douyin-Index-API"]
---

# 获取关联词分析/Get relation word analysis

`POST /api/v1/douyin/index/fetch_relation_word`

## 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/douyin/index/fetch_relation_word`
- Auth: HTTP bearer

# [中文]
### 用途:
- 获取关键词的关联词分析，包含搜索关联词和内容关联词
- 展示关联词图谱和关联词排名
### 参数:
- keyword: 要分析的关键词
- start_date: 开始日期（建议为周一），格式 YYYYMMDD
- end_date: 结束日期（**必须为周日**），格式 YYYYMMDD
- app_name: 平台选择，aweme=抖音，toutiao=头条
### 注意:
- **关联分析的日期范围必须以周日为终止日期**，例如 start_date=20260330, end_date=20260405（周日）
- 如果 end_date 不是周日，接口可能返回空数据
### 返回:
- 搜索关联词列表、内容关联词列表、关联词图谱数据

# [English]
### Purpose:
- Get relation word analysis for a keyword, including search and content relation words
- Shows relation word graph and ranking
### Parameters:
- keyword: The keyword to analyze
- start_date: Start date (recommend Monday), format YYYYMMDD
- end_date: End date (**must be a Sunday**), format YYYYMMDD
- app_name: Platform, aweme=Douyin, toutiao=Toutiao
### Note:
- **The end_date must be a Sunday**, e.g. start_date=20260330, end_date=20260405 (Sunday)
- If end_date is not a Sunday, the API may return empty data
### Return:
- Search relation words, content relation words, relation word graph data

# [示例/Example]
keyword = "美食"
start_date = "20260330"
end_date = "20260405"

## Query parameters

- `keyword` string, required: 关键词/Keyword
- `start_date` string, required: 开始日期（周一）/Start date (Monday) YYYYMMDD
- `end_date` string, required: 结束日期（必须为周日）/End date (must be Sunday) YYYYMMDD
- `app_name` 'aweme' | 'toutiao': 平台/Platform: aweme(抖音), toutiao(头条)

## 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`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/tikhub/apis/tikhub-douyin-tiktok-xiaohongshu-lemon8-bilibili-kuaishou-pi/changes/api/v1/douyin/index/fetch_relation_word/post.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)