Xiaohongshu (RedNote) PGY keyword search index API

Get a keyword's day-by-day search index on Xiaohongshu over about the last three months, from the platform's creator marketplace, with each day's notes about the keyword and how often they were shown, read and engaged with. The platform sets the period; it cannot be chosen. The search index is the platform's index, not a count of searches; days are calendar days in China time (UTC+8). One object a call; $0.0400 per call. Errors, timeouts and objects that do not exist are not charged.

GEThttps://api.dataxapi.com/v1/xiaohongshu/pgy/keywords/history
Also known asxiaohongshu keyword trendrednote search indexxhs keyword historykeyword popularity on xiaohongshuIn Chinese: 小红书蒲公英关键词逐日搜索指数 API
Price$0.0400/ call · Errors and timeouts are not charged
Returns1 objectone keyword index history object
When an upstream failsRetried for youon the same route, or a backup route; never charged

Try it

Change a value and the request on the right follows.
Run · $0.0400

Sign in to run it; it runs on your own balance. New accounts can try this endpoint free, up to 2 calls.

The first 7 rows of a response recorded 2026-10-12 21:42 UTC for 露营.
search_indexnotes7/13 – 7/19
7/137/147/157/167/177/187/19
7-day average · search_index10,200
Highest · 7/18 · search_index12,636
Lowest · 7/14 · search_index8,762
As a table
datesearch_indexnotesimpressionsviewsengagements
2026-07-138,87633,36125,229,6494,523,846188,216
2026-07-148,76233,75024,457,0014,743,520197,829
2026-07-159,07733,60324,578,6464,554,487210,434
2026-07-169,32834,23228,302,2454,819,305220,431
2026-07-1711,23334,53232,434,6945,831,644278,646
2026-07-1812,63634,77235,466,1796,122,704279,193
2026-07-1911,49035,36837,495,4928,187,198302,141
curl -G "https://api.dataxapi.com/v1/xiaohongshu/pgy/keywords/history" \
  --data-urlencode "keyword=面膜" \
  -H "Authorization: Bearer $DATAXAPI_API_KEY"
{
  "code": "ok",
  "request_id": "5303d79c-7963-4548-a038-ec91bd3cae60",
  "data": {
    "item": {
      "keyword": "露营",
      "points": [
        {
          "date": "2026-07-13T00:00:00Z",
          "search_index": 8876,
          "notes": 33361,
          "impressions": 25229649,
          "views": 4523846,
          "engagements": 188216
        },
        {
          "date": "2026-07-14T00:00:00Z",
          "search_index": 8762,
          "notes": 33750,
          "impressions": 24457001,
          "views": 4743520,
          "engagements": 197829
        },
        {
          "date": "2026-07-15T00:00:00Z",
          "search_index": 9077,
          "notes": 33603,
          "impressions": 24578646,
          "views": 4554487,
          "engagements": 210434
        },
        {
          "date": "2026-07-16T00:00:00Z",
          "search_index": 9328,
          "notes": 34232,
          "impressions": 28302245,
          "views": 4819305,
          "engagements": 220431
        },
        {
          "date": "2026-07-17T00:00:00Z",
          "search_index": 11233,
          "notes": 34532,
          "impressions": 32434694,
          "views": 5831644,
          "engagements": 278646
        },
        {
          "date": "2026-07-18T00:00:00Z",
          "search_index": 12636,
          "notes": 34772,
          "impressions": 35466179,
          "views": 6122704,
          "engagements": 279193
        },
        {
          "date": "2026-07-19T00:00:00Z",
          "search_index": 11490,
          "notes": 35368,
          "impressions": 37495492,
          "views": 8187198,
          "engagements": 302141
        },
        // … 85 more
      ]
    }
  },
  "warnings": [],
  "meta": {
    "capability": "xiaohongshu.pgy.keywords.history",
    "result_status": "complete",
    "fetched_at": "2026-10-12T21:42:12.000Z",
    "cached": false,
    "replayed": false,
    "unavailable": { "points.composite_index": "platform" },
    "billing": {
      "amount": "0.04",
      "currency": "USD",
      "balance_after": "9.96"
    }
  }
}

From a response recorded 2026-10-12 21:42 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: 11.8 KB in the standard view (5.1 KB compact, 11.8 KB full).

This example as a JSON file

curl -G "https://api.dataxapi.com/v1/xiaohongshu/pgy/keywords/history" \
  --data-urlencode "keyword=面膜" \
  -H "Authorization: Bearer $DATAXAPI_API_KEY"
from dataxapi import DataXAPI

dx = DataXAPI()  # reads DATAXAPI_API_KEY
result = dx.xiaohongshu.pgy.keywords.history(keyword="面膜")
print(result["data"]["item"])
import { DataXAPI } from "@dataxapi/sdk";

const dx = new DataXAPI(); // reads DATAXAPI_API_KEY
const result = await dx.xiaohongshu.pgy.keywords.history({ keyword: "面膜" });
console.log(result.data.item);
dataxapi call xiaohongshu.pgy.keywords.history 'keyword=面膜'
{
  "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.pgy.keywords.history.

Parameters

keywordtextrequired

One keyword. Example: 面膜.

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

Returned fields

data.item is one keyword index history object. Preview: the structure may change, announced beforehand.

keywordtextcompact

The keyword

pointslist of objectcompact

The figures day by day, one entry a day, oldest first

points[].datetimecompact

The day: a calendar day in China time (UTC+8), written as midnight UTC of its date (8 a.m. that day in China); passed back as since or until it asks for that same day

points[].search_indexintegercompact

Search index of the day: the platform's index of how much the keyword was searched, not a count of searches

points[].composite_indexintegercompactThe platform has none

Composite index of the day: the platform's index of how much attention content about the keyword drew, not a count

points[].notesintegerstandard

Posts about the keyword that day

Show all 12 fields →
points[].impressionsintegerstandard

Times those posts were shown that day

points[].viewsintegerstandard

Times those posts were read that day

points[].engagementsintegerstandard

Engagements with those posts that day

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 4.8 KB, standard 11.4 KB, full 11.4 KB (measured on the response recorded 2026-10-12 21:42 UTC).

What this endpoint cannot give

points[].composite_indexThe platform has none

When you are charged

A result with data$0.0400, 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$0.0400 (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) PGY keyword search index API cost?

$0.0400 per call. The most one call can cost is $0.0400.

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.

All 21 Xiaohongshu (RedNote) endpoints

Xiaohongshu PGY endpoints
Xiaohongshu (RedNote) endpoints
Xiaohongshu Shop endpoints

Use it in your AI

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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/pgy/keywords/history.md and help me use the DataXAPI endpoint xiaohongshu.pgy.keywords.history (Xiaohongshu (RedNote) PGY keyword search index).
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.pgy.keywords.history.Other clients →
Ask with this pageSends the Markdown version
Brief for an AIEverything needed to call it, as text
Show the text
Use the DataXAPI endpoint xiaohongshu.pgy.keywords.history (Xiaohongshu (RedNote) PGY keyword search index). Get a keyword's day-by-day search index on Xiaohongshu over about the last three months, from the platform's creator marketplace, with each day's notes about the keyword and how often they were shown, read and engaged with. The platform sets the period; it cannot be chosen. The search index is the platform's index, not a count of searches; days are calendar days in China time (UTC+8).
Call GET https://api.dataxapi.com/v1/xiaohongshu/pgy/keywords/history with the header "Authorization: Bearer $DATAXAPI_API_KEY". Read the key from the environment variable DATAXAPI_API_KEY; never write it into code.
Parameters:
- keyword (required): One keyword. Example: 面膜.
- 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: $0.0400 per call. Errors, timeouts and objects that do not exist are not charged.
The answer is JSON: data.item holds keyword index history; meta.billing.amount is what this call was charged.
Example:
curl -G "https://api.dataxapi.com/v1/xiaohongshu/pgy/keywords/history" \
  --data-urlencode "keyword=面膜" \
  -H "Authorization: Bearer $DATAXAPI_API_KEY"
Full reference in Markdown: https://dataxapi.com/apis/xiaohongshu/pgy/keywords/history.md

Names and identifiers

In Chinese
小红书蒲公英关键词逐日搜索指数 API
Endpoint ID
xiaohongshu.pgy.keywords.history
Endpoint
GET /v1/xiaohongshu/pgy/keywords/history
Last checked 2026-10-21 09:10 UTC.View the Markdown versionopenapi.jsonllms.txt

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