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Xiaohongshu (RedNote) topic detail API

Get one Xiaohongshu topic by its page ID: name, description, views, the discussion count the page shows, share link. One object a call; $0.0200 per call. Errors, timeouts and objects that do not exist are not charged.

GEThttps://api.dataxapi.com/v1/xiaohongshu/topics/get

Also known asrednote topic infoxhs hashtag pageIn Chinese: 小红书话题详情 API

Price$0.0200/ call · Errors and timeouts are not charged

Returns1 objectone topic object

When an upstream failsRetried for youon the same route, or a backup route; never charged

StatusLive statusChecked daily with real calls · 4 days on record

Try it

Change a value and the request on the right follows.

idrequiredtextviewtextRun · $0.0200

Used to call POST /v1/xiaohongshu/topics/detail? It is this address now. What changed for old endpoints

PreviewJSONCodeThe first row of a response recorded 2026-10-13 03:28 UTC.

FieldValue

metrics.views8,553,318,142

curl -G "https://api.dataxapi.com/v1/xiaohongshu/topics/get" \
  --data-urlencode "id=5eb2e2ffbd997100014327bc" \
  -H "Authorization: Bearer $DATAXAPI_API_KEY"

{
  "code": "ok",
  "request_id": "7026415b-5474-47af-a59d-70fb2ab22e77",
  "data": {
    "item": {
      "id": "6ba8911100000000e0fbcdfc",
      "name": "周末露营装备推荐",
      "url": "https://www.xiaohongshu.com/page/topics/6ba8911100000000e0fbcdfc",
      "description": null,
      "metrics": { "views": 8553318142 }
    }
  },
  "warnings": [],
  "meta": {
    "capability": "xiaohongshu.topics.get",
    "result_status": "complete",
    "fetched_at": "2026-10-13T03:28:54.000Z",
    "cached": false,
    "replayed": false,
    "unavailable": { "metrics.posts": "platform" },
    "billing": {
      "amount": "0.02",
      "currency": "USD",
      "balance_after": "9.98"
    }
  }
}

From a response recorded 2026-10-13 03:28 UTC. Names, text and IDs are examples, and so are the links: none is the recorded one (the page shows no one's personal data); the figures are as recorded. Long lists are cut. The request ID, cursor and balance are made up.

Size as sent: 551 B in the standard view (551 B compact, 581 B full).

This example as a JSON file

curl -G "https://api.dataxapi.com/v1/xiaohongshu/topics/get" \
  --data-urlencode "id=5eb2e2ffbd997100014327bc" \
  -H "Authorization: Bearer $DATAXAPI_API_KEY"

from dataxapi import DataXAPI

dx = DataXAPI()  # reads DATAXAPI_API_KEY
result = dx.xiaohongshu.topics.get(id="5eb2e2ffbd997100014327bc")
print(result["data"]["item"])

import { DataXAPI } from "@dataxapi/sdk";

const dx = new DataXAPI(); // reads DATAXAPI_API_KEY
const result = await dx.xiaohongshu.topics.get({ id: "5eb2e2ffbd997100014327bc" });
console.log(result.data.item);

dataxapi call xiaohongshu.topics.get id=5eb2e2ffbd997100014327bc

{
  "mcpServers": {
    "dataxapi": {
      "type": "http",
      "url": "https://api.dataxapi.com/mcp",
      "headers": {
        "Authorization": "Bearer ${DATAXAPI_API_KEY}"
      }
    }
  }
}

Add this to your MCP client, then ask your agent to call xiaohongshu.topics.get.

Parameters

idtextrequired

Topic page ID, 24 hexadecimal characters. Example: 5eb2e2ffbd997100014327bc.

viewtext

How much of each item to return. All three cost the same. Values: compact, standard (default), full.

fieldslist of text

Return only these fields. Each by its path, such as author.name.

Known limits

One object per call: there is nothing to page.
1 field of the object is not available from this endpoint

Returned fields

data.item is one topic object. Preview: the structure may change, announced beforehand.

idtextcompact

ID; pass it unchanged to the endpoints that get the topic and list the posts under it

nametextcompact

Name of the topic

urllinkcompact

Link that opens the topic

descriptiontextcompact

What the topic says it is about; null when it says nothing

Long text: the compact view keeps the first 500 characters and says so in warnings.

metricsobjectcompact

Topic counts

metrics.viewsintegercompact

Views of the topic

Show all 11 fields →

metrics.postsintegercompactThe platform has none

Posts under the topic

ext.discussionsintegerfull

The discussion count the topic page shows

approximatelist of objectcompact

Which numbers of this item are approximate or lower bounds; absent when all are exact

approximate[].fieldtextcompact

Path of the field, such as metrics.views

approximate[].kindtextcompact

Approximate, or a lower boundapproximatelower_bound

Typical size of one item: compact 205 B, standard 205 B, full 235 B (measured on the response recorded 2026-10-13 03:28 UTC).

What this endpoint cannot give

metrics.postsThe platform has none

When you are charged

A result with data$0.0200, once per call

The object does not exist (404)not charged

Invalid parameters, a failure of ours or of the data source, a timeoutnot charged

CaseCharged

The most one call can cost$0.0200 (send X-Max-Price to refuse anything above your own limit)

Prices as read 2026-10-21 09:10 UTC, under price book 2, in effect since 2026-10-17 11:00 UTC; the Playground reads the price in force before a run.

If the object does not exist

The answer is 404 not_found and nothing is charged. reason says which: not_found (it does not exist) or private_or_deleted.

Errors

What this endpoint can answer with; codes all endpoints share are on the full list.

HTTPCodeMeaningCharged

400invalid_paramsA parameter is invalidRetry: After a fixNo

402insufficient_balanceThe balance is too lowRetry: After a fixNo

404not_foundThe object does not exist, is private or was deletedRetry: NoNo

502upstream_failedThe data source failedRetry: YesNo

504timeoutThe data did not arrive in time; retry with the same idempotency keyRetry: YesNo

All error codes →

Questions

How much does the Xiaohongshu (RedNote) topic detail API cost?

$0.0200 per call. The most one call can cost is $0.0200.

When am I not charged?

Errors, timeouts and objects that do not exist are not charged.

What happens if the object does not exist?

The answer is 404 not_found and nothing is charged. reason says which: not_found (it does not exist) or private_or_deleted.

Use it in your AI

Copy this prompt

Your API key is built in, so there is nothing to configure.

Read https://dataxapi.com/agents.md and set up DataXAPI in this agent. My API key is dx_…; use it for every DataXAPI call.

No account yet? Sign-up takes an email and no card, and a failed call is never charged.

then paste

Paste it into your agent

It reads the page the prompt points to and connects itself.

Your agent

Read https://dataxapi.com/agents.md and set up DataXAPI in this agent. My API key is dx_••••; use it for every DataXAPI call.

DataXAPI connected · 5 tools ready

now try it

Now ask something

Use one of these, or your own words.

Read https://dataxapi.com/apis/xiaohongshu/topics/get.md and help me use the DataXAPI endpoint xiaohongshu.topics.get (Xiaohongshu (RedNote) topic detail).

Prefer to set it up by hand?

dataxapi setupgives the agents on your machine (Claude Code, Codex, Cursor) the DataXAPI MCP server and the base skill. The key is read from DATAXAPI_API_KEY; none is written into a file.MCP server: https://api.dataxapi.com/mcp. The entry for your client is under MCP in the request examples of this page; then ask your agent to call xiaohongshu.topics.get.Other clients →

Ask with this pageSends the Markdown version

Open in ChatGPT Open in Claude Other clients →

Brief for an AIEverything needed to call it, as text

Show the text

Use the DataXAPI endpoint xiaohongshu.topics.get (Xiaohongshu (RedNote) topic detail). Get one Xiaohongshu topic by its page ID: name, description, views, the discussion count the page shows, share link.
Call GET https://api.dataxapi.com/v1/xiaohongshu/topics/get with the header "Authorization: Bearer $DATAXAPI_API_KEY". Read the key from the environment variable DATAXAPI_API_KEY; never write it into code.
Parameters:
- id (required): Topic page ID, 24 hexadecimal characters. Example: 5eb2e2ffbd997100014327bc.
- view: How much of each item to return. All three cost the same. Values: compact, standard (default), full.
- fields: Return only these fields. Each by its path, such as author.name.
Price: $0.0200 per call. Errors, timeouts and objects that do not exist are not charged.
The answer is JSON: data.item holds topic; meta.billing.amount is what this call was charged.
Example:
curl -G "https://api.dataxapi.com/v1/xiaohongshu/topics/get" \
  --data-urlencode "id=5eb2e2ffbd997100014327bc" \
  -H "Authorization: Bearer $DATAXAPI_API_KEY"
Full reference in Markdown: https://dataxapi.com/apis/xiaohongshu/topics/get.md

Names and identifiers

In Chinese: 小红书话题详情 API
Endpoint ID: xiaohongshu.topics.get
Endpoint: GET /v1/xiaohongshu/topics/get

Last checked 2026-10-21 09:10 UTC.View the Markdown version openapi.json llms.txt

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207 endpoints on 21 platforms, from $0.0003 a call. Errors and timeouts are not charged.

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