# Search research papers

Search about 43 million paper abstracts from PubMed, bioRxiv, medRxiv and arXiv, returning up to ten ranked papers with ids, titles and abstracts.

|  |  |
| --- | --- |
| Tool id | `firecrawl.research-search-papers` |
| Platform | [Web search](https://www.orcarouter.ai/tools/web-search.md) |
| Capability | [Other tools](https://www.orcarouter.ai/tools/web-search/other.md) |
| Price | $0.011 per call |
| Health | OK |
| p50 latency | 1.8 s |
| Success (7 days) | 100% |
| Runs (30 days) | 9 |
| Idempotent | yes |
| Data class | unclassified |

## Input

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `query` | string | yes | Natural-language paper search query. |
| `k` | integer | yes | Number of ranked papers to return (1-10). |
| `authors` | string | no | Author substring filter; comma-separate several, all must match. |
| `categories` | string | no | Paper category filter; comma-separate several, all must match. |
| `from` | string | no | Inclusive lower bound on created/updated date (YYYY-MM-DD). |
| `to` | string | no | Inclusive upper bound on created/updated date (YYYY-MM-DD). |

## Call it

```bash
curl -sS https://api.orcarouter.ai/v1/tools/firecrawl.research-search-papers/run \
  -H "Authorization: Bearer $ORCAROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"input":{"k":"<k>","query":"<query>"}}'
```

```python
import os, requests

resp = requests.post(
    "https://api.orcarouter.ai/v1/tools/firecrawl.research-search-papers/run",
    headers={"Authorization": f"Bearer {os.environ['ORCAROUTER_API_KEY']}"},
    json={"input":{"k":"<k>","query":"<query>"}},
)
print(resp.json())
```

## Alternatives

| Tool | Source | Price | Health |
| --- | --- | --- | --- |
| [Search the developer index](https://www.orcarouter.ai/tools/web-search/other/developer-search.md) | — | $0.011 per call | OK |
| [Read a research paper](https://www.orcarouter.ai/tools/web-search/other/research-paper.md) | — | $0.011 per call | OK |
| [Find related research papers](https://www.orcarouter.ai/tools/web-search/other/research-related-papers.md) | — | $0.011 per call | OK |
| [Search the open web](https://www.orcarouter.ai/tools/web-search/other/web-search.md) | — | $0.011 per call | OK |

## FAQ

### How much does Search research papers cost?

Search research papers costs $0.011 per call: 1,000 calls cost $11.00.

### What does a $10 budget buy with Search research papers?

About 909 calls at $0.011 per call.

### How fast is Search research papers?

Its median response time over recent runs is 1797 ms.

### How reliable is Search research papers?

100% of its runs succeeded over the last 7 days.

### What inputs does Search research papers need?

Required inputs: query, k.

### How do I call Search research papers?

Send POST /v1/tools/{id}/run with your OrcaRouter API key and a JSON body {"input": {…}}, where {id} is the tool id POST /v1/tools/discover returns for it.

---

Markdown version of https://www.orcarouter.ai/tools/web-search/other/research-search-papers