/v1/call/xiaohongshu.kol_performanceXiaohongshu (RedNote) KOL metrics API (Pugongying)
Only on Xiaohongshu.
Get how a Xiaohongshu creator's everyday notes did over the last 30 or 90 days, by PGY creator ID: notes, median impressions, reads and interactions, engagement and completion ratios, the share of notes past 100 and 1,000 likes, and the standing among comparable creators. A call to the Xiaohongshu (RedNote) KOL metrics API (Pugongying) costs 24 credits ($0.048 to $0.08 depending on the pack); failed calls are free. Call it over HTTP or from your AI client over MCP.
Last updated:
What you get from the Xiaohongshu (RedNote) KOL metrics API (Pugongying).
From a recorded answer.
A recorded call returned the object below, field by field. Names and text are removed from the sample; the numbers are as recorded.
Lighter for your AI: the same recorded data (1 item) is about 3,378 tokens as the platform's raw JSON and about 382 as this interface returns it, 88% fewer (measured 2026-11-06). How it was measured
| Field | In the recorded answer |
|---|---|
| title | null |
| url | null |
| rank | null |
| heat | null |
| fields.notes | 34 |
| fields.median_impressions | 3,535 |
| fields.median_reads | 533 |
| fields.median_engagements | 12 |
| fields.median_likes | 10 |
| fields.median_collects | 2 |
| fields.median_comments | 0 |
| fields.median_shares | 3 |
| fields.engagement_rate | 0.032 |
| fields.video_completion_rate | 0.321 |
| fields.image_3s_read_rate | 0.798 |
| fields.hundred_like_share | 0.088 |
| fields.thousand_like_share | 0 |
| fields.impressions_percentile | 0.523 |
| fields.reads_percentile | 0.476 |
| fields.engagements_percentile | 0.333 |
24 credits a call (≈ $0.048–$0.08): about 125 calls for $10.
Xiaohongshu (RedNote) KOL metrics API (Pugongying): request and response
curl https://api.socialtoai.com/v1/call/xiaohongshu.kol_performance \ -H "Authorization: Bearer $SOCIALTOAI_API_KEY" \ -H "Idempotency-Key: $(uuidgen)" \ -H "Content-Type: application/json" \ -d '{ "id": "5c0017ef6b58b740c92463fb" }'import osimport uuidimport requestsresponse = requests.post( "https://api.socialtoai.com/v1/call/xiaohongshu.kol_performance", headers={ "Authorization": f"Bearer {os.environ['SOCIALTOAI_API_KEY']}", # A new key for each request; the same one again retries it without paying twice. "Idempotency-Key": str(uuid.uuid4()), }, json={ "id": "5c0017ef6b58b740c92463fb", },)print(response.json())# Connected over MCP? Ask in plain words.Use the Xiaohongshu PGY creator metrics interface (xiaohongshu.kol_performance) with id: 5c0017ef6b58b740c92463fb.# Your AI calls the call tool with:{ "id": "5c0017ef6b58b740c92463fb"}window{ "op": "xiaohongshu.kol_performance", "platform": "xiaohongshu", "status": "ok", "items": [ { "platform": "xiaohongshu", "id": "…", "ref": "…", "approx": [], "type": "entry", "entry_type": "pgy_creator_metrics", "title": null, "url": null, "rank": null, "heat": null, "fields": { "notes": 34, "median_impressions": 3535, "median_reads": 533, "median_engagements": 12, "median_likes": 10, "median_collects": 2, "median_comments": 0, "median_shares": 3, "engagement_rate": 0.032, "video_completion_rate": 0.321, "image_3s_read_rate": 0.798, "hundred_like_share": 0.088, "thousand_like_share": 0, "impressions_percentile": 0.523, "reads_percentile": 0.476, "engagements_percentile": 0.333 } } ], "unavailable": [], "cost_credits": 24}- entry_type
- pgy_creator_metrics
- notes
- 34
- median_impressions
- 3535
- median_reads
- 533
- median_engagements
- 12
- median_likes
- 10
- median_collects
- 2
Names and text were removed from the sample; the numbers are as recorded.
Xiaohongshu (RedNote) KOL metrics API (Pugongying) parameters.
2 parameters, 1 required.
Send them as a JSON body with POST. Your key goes in the Authorization header, never in the URL.
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| id | string | Required | — | PGY creator ID, 24 hexadecimal characters; take it from the PGY creator search |
| window | string | Optional | "30d" | The period: the last 30 or the last 90 days"30d""90d" |
Where to get what you send.
idPGY creator ID, 24 hexadecimal characters; take it from the PGY creator search (e.g. 5c0017ef6b58b740c92463fb)
Every item these return carries its ref; send it as it is:
Xiaohongshu (RedNote) KOL metrics API (Pugongying) response fields.
What Xiaohongshu cannot give is marked.
| Field | Type | Meaning |
|---|---|---|
| items[].title | string | The entry's title or name. |
| items[].url | string | A link that opens it; null where the platform's list has none. |
| items[].rank | integer | Position on a board, from 1. |
| items[].heat | integer | The platform's heat score. |
| items[].fields.notes | integer | Notes in the period. |
| items[].fields.median_impressions | integer | Median impressions per note. |
| items[].fields.median_reads | integer | Median reads per note. |
| items[].fields.median_engagements | integer | Median interactions per note. |
| items[].fields.median_likes | integer | Median likes per note. |
| items[].fields.median_collects | integer | Median saves per note. |
| items[].fields.median_comments | integer | Median comments per note. |
| items[].fields.median_shares | integer | Median shares per note. |
| items[].fields.engagement_rate | number | Engagement rate, 0 to 1. |
| items[].fields.video_completion_rate | number | Completion rate of video notes, 0 to 1. |
| items[].fields.image_3s_read_rate | number | Share of image-note reads that last 3 seconds, 0 to 1. |
| items[].fields.hundred_like_share | number | Share of notes with 100 likes or more, 0 to 1. |
| items[].fields.thousand_like_share | number | Share of notes with 1,000 likes or more, 0 to 1. |
| items[].fields.impressions_percentile | number | The share of comparable creators this median of impressions beats, 0 to 1. |
| items[].fields.reads_percentile | number | The share of comparable creators this median of reads beats, 0 to 1. |
| items[].fields.engagements_percentile | number | The share of comparable creators this median of interactions beats, 0 to 1. |
nullFields Xiaohongshu cannot giveXiaohongshu gives every field of this call. Where one item lacks a value, that field is null.
Every item also has platform, id, ref, approx and type; the response around the items is the same on every call. Response format
Xiaohongshu (RedNote) KOL metrics API (Pugongying): paging and billing.
5 calls per second per key, 20 after a purchase; going over is not charged. Rate limits
A failed call costs 0 credits and is never retried on its own. Error codes
Interface last tested: 2026-10-30. Each call reads from the platform, and fetched_at in the answer is when it was read. The same request sent again with the same key within 5 minutes is a replay (replayed: true): 0 credits, and the answer as first read.
Once connected over MCP, these questions use the Xiaohongshu (RedNote) KOL metrics API (Pugongying).
Get how a Xiaohongshu creator's everyday notes did over the last 30 or 90 days, by PGY creator ID: 5c0017ef6b58b740c92463fb.
24 creditscall {"op":"xiaohongshu.kol_performance","id":"5c0017ef6b58b740c92463fb"}Get how a Xiaohongshu creator's everyday notes did over the last 30 or 90 days, by PGY creator ID: 5c0017ef6b58b740c92463fb, with window set to 90d.
24 creditscall {"op":"xiaohongshu.kol_performance","id":"5c0017ef6b58b740c92463fb","window":"90d"}Search Xiaohongshu creators on PGY by terms, matched against what they write about: 咖啡, then for the first 3: get how a Xiaohongshu creator's everyday notes did over the last 30 or 90 days, by PGY creator ID.
96 creditscall {"op":"xiaohongshu.kol_search","query":"咖啡"}call {"op":"xiaohongshu.kol_performance","id":"<ref>"} × 3
Give this to your AI.
Copy it into Claude or ChatGPT.
How to connectUse the SocialToAI MCP server (https://mcp.socialtoai.com/mcp) for this: Get how a Xiaohongshu creator's everyday notes did over the last 30 or 90 days, by PGY creator ID: 5c0017ef6b58b740c92463fb.Call the call tool with {"op":"xiaohongshu.kol_performance","id":"5c0017ef6b58b740c92463fb"}. Needed: id; optional: window (30d, 90d).For several, call it once for each: 24 credits each.Before you start, work out how many credits it will take in all and ask me; call it only after I agree.What usually comes next, with the ref or username it returns: call xiaohongshu.kol_notes (PGY creator notes).If SocialToAI is not connected yet, tell me how to connect it; never ask me to paste a key into the chat.Answer with a link to every item you used, and tell me how many credits it cost.Paste it into a chat once SocialToAI is connected over MCP. There is no key in it: Claude and ChatGPT sign in, other clients send a key in a header.
The interface of the same name on other platforms.
All platforms and prices/v1/call/xiaohongshu.kol_performance{ "id": "5c0017ef6b58b740c92463fb" }24 creditsper callRead next.
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monitor Xiaohongshu, Douyin and Weibo from outside China with AI, in English, with original links
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Let your AI read Xiaohongshu.