# Xiaohongshu (RED) PGY Blogger Fan History API

> Returns historical follower growth counts for a Xiaohongshu Pugongying blogger over time based on user ID and a selected date range.

Source: https://www.sandbase.ai/apis/xiaohongshu/pgy/blogger-fans-history
API reference: https://www.sandbase.ai/apis/xiaohongshu/pgy/blogger-fans-history/docs

## Facts

- Provider: Xiaohongshu
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/xiaohongshu/pgy/blogger-fans-history`
- Price: $0.03 per call
- Capabilities: api, xiaohongshu
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/xiaohongshu/pgy/blogger-fans-history` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `user_id` | string | yes |  |
| `date_type` | integer | no |  |

## FAQ

### How do I use the Xiaohongshu (RED) PGY Blogger Fan History API?

Send a POST request to https://api.sandbase.ai/v1/api/xiaohongshu/pgy/blogger-fans-history with your SandBase API key in the Authorization header (Bearer) and the parameters as a JSON body. You can also try it in the Playground on this page without writing code.

### How much does the Xiaohongshu (RED) PGY Blogger Fan History API cost?

$0.03 per call, billed from your SandBase balance. You are only charged for calls you make; there is no subscription.

### What parameters does the Xiaohongshu (RED) PGY Blogger Fan History API accept?

Required: user_id (string). Optional: date_type (integer). The Parameters table and the Playground on this page list every field.

### What does the Xiaohongshu (RED) PGY Blogger Fan History API return?

A JSON response returned in the same HTTP request (synchronous). The README on this page includes a sample response.

### Do I need a Xiaohongshu developer account or API key?

No. Xiaohongshu (RED) PGY Blogger Fan History runs through SandBase, so one SandBase API key covers this endpoint and every other API and model in the catalog. You do not need to apply for Xiaohongshu API access separately.

## README

### Xiaohongshu (RED) PGY Blogger Fan History API

Retrieve historical follower counts for a specified blogger using `user_id`. You can also filter the date window by passing `date_type`.

#### Use cases

- Track follower growth curves for specific Xiaohongshu creators.
- Evaluate long-term audience momentum before partnering with influencers.
- Analyze sudden spikes or drops in blogger follower numbers over time.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/xiaohongshu/pgy/blogger-fans-history" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"user_id": "60b137080000000001000301"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `user_id` | string | Yes | Blogger user ID |
| `date_type` | integer | No | Date range (~1=7d, 2=30d, 3=90d) |

#### Example response

Real response for the request above, trimmed to the main fields. User names and long IDs are masked.

```json
{
  "data": {
    "list": [
      {
        "dateKey": "2026-09-06",
        "num": 37199
      }
    ]
  }
}
```

#### Notes

- `date_type` accepts integer values corresponding to time windows: 1 for 7 days, 2 for 30 days, and 3 for 90 days.

#### Related APIs

- [Xiaohongshu (RED) Blogger Core Data](/model/xiaohongshu/pgy/blogger-core-data): Returns Pugongying core performance metrics and daily trend data for a specified Xiaohongshu blogger, filterable by date range, note type, and traffic source.
- [Xiaohongshu (RED) PGY Blogger Data Summary](/model/xiaohongshu/pgy/blogger-data-summary): Returns an account-level data summary for a Xiaohongshu blogger on the Pugongying (PGY) platform based on the specified blogger user ID.
- [Xiaohongshu (RED) PGY Blogger Details](/model/xiaohongshu/pgy/blogger-detail): Retrieves detailed profile information for a specific Xiaohongshu blogger on the PGY platform using their user ID.