# Zhihu Scholar Paper Search API

> Search Zhihu Scholar papers matching specified keywords and filters. Returns paper details including IDs, titles, highlight snippets, and Zhihu paper URLs.

Source: https://www.sandbase.ai/model/zhihu/web/scholar-search-v3
API reference: https://www.sandbase.ai/model/zhihu/web/scholar-search-v3/docs

## Facts

- Provider: Zhihu
- Type: Data API
- Endpoint: `POST https://api.sandbase.ai/v1/api/zhihu/web/scholar-search-v3`
- Price: $0.0015 per call
- Free allowance: 100 calls per organization per UTC day, shared across eligible APIs
- Capabilities: api, zhihu
- Billing: pay per use from one SandBase balance; no provider account or subscription needed

## Call it

`POST https://api.sandbase.ai/v1/api/zhihu/web/scholar-search-v3` with `Authorization: Bearer $SANDBASE_API_KEY` and the parameters as a JSON body.

| Parameter | Type | Required | Allowed values |
| --- | --- | --- | --- |
| `keyword` | string | yes |  |
| `advanced_filter` | string | no |  |
| `classification` | string | no |  |
| `indexed_by` | string | no |  |
| `limit` | string | no |  |
| `offset` | string | no |  |

## FAQ

### How do I use the Zhihu Scholar Paper Search API?

Send a POST request to https://api.sandbase.ai/v1/api/zhihu/web/scholar-search-v3 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 Zhihu Scholar Paper Search API cost?

$0.0015 per call. Every organization gets 100 free calls per UTC day, shared across eligible SandBase APIs including this one; after that each call is billed at this price from your SandBase balance. There is no subscription.

### What parameters does the Zhihu Scholar Paper Search API accept?

Required: keyword (string). Optional: advanced_filter (string), classification (string), indexed_by (string), limit (string) and offset (string). The Parameters table and the Playground on this page list every field.

### What does the Zhihu Scholar Paper Search 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 Zhihu developer account or API key?

No. Zhihu Scholar Paper Search 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 Zhihu API access separately.

## README

### Zhihu Scholar Paper Search API

Query Zhihu Scholar for academic papers using `keyword`. Refine results using `advanced_filter`, `classification`, and pagination parameters.

#### Use cases

- Search for academic publications and research papers on Zhihu.
- Filter scholarly documents by keywords, title, authors, or abstract.
- Collect paper URLs and metadata for research analysis.

#### Request

```bash
curl -X POST "https://api.sandbase.ai/v1/api/zhihu/web/scholar-search-v3" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"keyword": "OpenAI"}'
```

#### Parameters

| Name | Type | Required | Description |
|---|---|---|---|
| `keyword` | string | Yes | Search Keywords |
| `limit` | string | No | Number of papers per page |
| `offset` | string | No | Offset |
| `indexed_by` | string | No | — |
| `classification` | string | No | — |
| `advanced_filter` | string | No | — |

#### Example response

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

```json
{
  "data": [
    {
      "id": "1984217783119151617",
      "type": "search_result",
      "highlight": {
        "title": "“有效加速”与“超级对齐”之争:OpenAI事件对人工智能发展方向的启示"
      },
      "object": {
        "id": "1984217783119151617",
        "title": "“有效加速”与“超级对齐”之争:OpenAI事件对人工智能发展方向的启示",
        "type": "scholar",
        "url": "https://www.zhihu.com/kvip/sku/paper/1984217783119151617"
      }
    }
  ]
}
```

#### Notes

- Paginate results using `limit` and `offset`.
- Filter search scopes using `advanced_filter`, such as keywords, title, authors, or abstract.

#### Related APIs

- [Zhihu AI Search Stream](/model/zhihu/web/ai-search-stream): Returns streaming AI search results from Zhihu based on a query prompt.
- [Zhihu Answer Details](/model/zhihu/web/answer-detail): Retrieves detailed information for a specific Zhihu answer using its numeric ID, including answer text, timestamps, and share links.
- [Zhihu Article Search](/model/zhihu/web/article-search-v3): Search Zhihu articles and answers by keyword and get titles, excerpts, authors, vote and comment counts, with sorting, content type and time filters plus offse…