# Semantic Scholar Academic Paper Search

> Semantic Scholar Academic Paper Search is a paid API for AI agents from api.x402node.dev, paid per call via x402, $0.006/call, status unknown (last checked 2026-09-14).

Searches Semantic Scholar for academic papers and returns title, authors, year, venue, citation count, abstract snippet, and a link for each result.

## Facts

- Endpoint: GET https://api.x402node.dev/citation/semantic-scholar
- Price: $0.006/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/semantic-scholar-academic-paper-search-8098f782
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_w8t6fV5U1hwAW4R-_dgFq

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 semantic-scholar-academic-paper-search-8098f782
```

Example prompt: Search Semantic Scholar for academic papers about 'attention mechanisms in transformers' and show me the titles, authors, citation counts, and abstracts.

## When to prefer this

Use this endpoint when you need structured metadata about academic papers — especially citation counts, venues, and author lists — sourced from Semantic Scholar's large open corpus. Prefer this over general web search when the user specifically needs scholarly literature, citation data, or research paper discovery.

## Known failure modes

- No results found for obscure or misspelled query terms
- Semantic Scholar API rate limits or downtime causing request failure
- Very broad queries returning loosely relevant results
- Query returns older papers if recency filter is not applied
- Payment failure or insufficient USDC balance blocking the request

## How this service works

Search Semantic Scholar academic papers and return title, authors, year, venue, citation count, abstract snippet and link. semantic scholar search, academic paper search, citation count lookup, scholarly articles, research papers

## Output

Returns a list of academic papers from Semantic Scholar, each with the paper title, author names, publication year, venue/journal, citation count, an abstract snippet, and a direct link to the paper on Semantic Scholar.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "query"
     ],
     "properties": {
      "q": {
       "type": "string",
       "description": "Search query (optional)"
      },
      "limit": {
       "type": "string",
       "description": "Max results, default 5, max 10"
      },
      "query": {
       "type": "string",
       "description": "Search terms (required)"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/semantic-scholar-academic-paper-search-8098f782/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.x402node.dev](https://www.zero.xyz/host/api.x402node.dev/llms.txt)
