# The Stall — Research Paper Search

> The Stall — Research Paper Search is a paid API for AI agents from the-stall.intuitek.ai, paid per call via x402, $0.034/call, status unknown (last checked 2026-09-13).

Searches academic literature by keyword or natural language query, returning ranked paper metadata with optional filters for recency, citation count, and open-access availability.

## Facts

- Endpoint: GET https://the-stall.intuitek.ai/cap/research-paper-search
- Price: $0.034/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/the-stall-research-paper-search-ab9e74fa
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_BQjn5e1cTRIOoxyHkv0He

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability the-stall-research-paper-search-ab9e74fa
```

Example prompt: Find me the 5 most relevant academic papers on transformer attention mechanisms, preferably open-access ones published after 2020 — sort by relevance.

## When to prefer this

Use this endpoint when an agent needs to surface peer-reviewed academic literature by natural language or keyword query, especially with control over sort order (relevance, citations, or recency) and open-access filtering. Prefer over general web search when scholarly provenance and citation metadata matter.

## Known failure modes

- Empty results if the query is too niche or misspelled
- Payment failure if USDC balance on Base is insufficient
- Rate limiting or timeout if the underlying OpenAlex API is slow
- min_year filter too restrictive resulting in zero results
- Query too broad returning low-relevance papers

## How this service works

Academic paper search across 250M+ works via OpenAlex (free, no key). Returns top papers with title, authors, year, DOI, citation count, open-access status, and primary research topic. Covers all disciplines: AI/ML, medicine, physics, economics, law, biology, and more. Supports relevance, citation-count, and recency sorting; open-access filtering; and year-range constraints. Use for literature review, prior-art search, citation building, or finding the seminal papers in any field.

## Output

A list of up to 10 research papers, each including title, authors, publication year, abstract snippet, citation count, DOI, and open-access PDF URL if available, ranked by the chosen sort order (relevance, citation count, or recency).

## Example request

```json
{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {
   "sort": "relevant",
   "limit": 5,
   "query": "artificial intelligence"
  }
 }
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "required": {
   "type": "string"
  },
  "properties": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/the-stall-research-paper-search-ab9e74fa/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from the-stall.intuitek.ai](https://www.zero.xyz/host/the-stall.intuitek.ai/llms.txt)