Search arXiv paper metadata

# Search arXiv paper metadata

Papers on arXiv that match a query, from the arXiv API: title, authors, the first 500 characters of the abstract, the paper's page, the PDF, submission time and primary category. `sort` is relevance or date; `category` narrows to one arXiv category such as cs.LG; `limit` up to 100.
Usage limits: Up to 100 paper metadata records; abstracts are limited to 500 characters. Return source/PDF links; full-paper redistribution requires separate license checks.
Draft retail price: USD 0.000150/successful call, equal to the TREG catalog rate; no markup.
Documentation: https://openany.si/apis/50aff158-c308-48f1-9e00-c6f5da96051b
Method: POST
Endpoint: https://api.openany.si/v1/agent-apis/treg/call/crawl4ai.research.search.papers
Price: $0.00015 / call
Provider: treg
Contract revision: 2
Price source: selected implementation in the OpenAny public API catalog. Price update time: not supplied.

Use OPENANY_API_KEY from the environment. API Key calls use your shared balance.

## Prepared request
```bash
curl \
  'https://api.openany.si/v1/agent-apis/treg/call/crawl4ai.research.search.papers' \
  -X POST \
  -H "Authorization: Bearer $OPENANY_API_KEY" \
  -H 'Content-Type: application/json' \
  --data-raw '{
  "limit": 1,
  "query": "rust memory safety",
  "sort": "relevance"
}'
```

## API contract
```json
{
  "resource_type": "api",
  "name": "Search arXiv paper metadata",
  "endpoint": "https://api.openany.si/v1/agent-apis/treg/call/crawl4ai.research.search.papers",
  "method": "POST",
  "content_type": "application/json",
  "execution_mode": "sync",
  "authentication": {
    "type": "bearer",
    "environment_variable": "OPENANY_API_KEY"
  },
  "inputs": [
    {
      "description": "Papers on arXiv that match a query, from the arXiv API: title, authors, the first 500 characters of the abstract, the paper's page, the PDF, submission time and primary category. `sort` is relevance or date; `category` narrows to one arXiv category such as cs.LG; `limit` up to 100.\nUsage limits: Up to 100 paper metadata records; abstracts are limited to 500 characters. Return source/PDF links; full-paper redistribution requires separate license checks.\nDraft retail price: USD 0.000150/successful call, equal to the TREG catalog rate; no markup.",
      "json_schema": {
        "additionalProperties": false,
        "properties": {
          "category": {
            "description": "default ",
            "example": "cs.LG",
            "type": "string"
          },
          "limit": {
            "description": "default 20",
            "maximum": 100,
            "minimum": 1,
            "type": "integer"
          },
          "query": {
            "description": "",
            "example": "rust memory safety",
            "type": "string"
          },
          "sort": {
            "description": "default relevance",
            "enum": [
              "relevance",
              "date"
            ],
            "type": "string"
          }
        },
        "required": [
          "query"
        ],
        "type": "object"
      },
      "location": "body",
      "name": "body",
      "nullable": false,
      "pointer": "",
      "required": true,
      "type": "object"
    }
  ],
  "billing": {
    "currency": "USD",
    "mode": "fixed",
    "priceMicroUsd": "150",
    "rounding": null,
    "unit": "call",
    "unitQuantity": null
  },
  "examples": [
    {
      "http_status": 200,
      "name": "Third-party reference · Testnet 2026-11-04: success (abridged)",
      "request": {
        "body": {
          "limit": 1,
          "query": "rust memory safety",
          "sort": "relevance"
        },
        "headers": {},
        "path": {},
        "query": {}
      },
      "response_body": {
        "meta": {
          "blocked": [],
          "elapsed_ms": 311,
          "from_cache": false,
          "llm_calls": 0,
          "pages_fetched": 1,
          "partial": false,
          "warnings": [
            "module: arxiv-search: 'rust memory safety' · 1 papers"
          ]
        },
        "recipe": "arxiv-search",
        "rows": [
          {
            "abstract": "We present our ongoing work on developing an end-to-end verified Rust compiler based on CompCert. It provides two guarantees: one is semantics preservation from Rust to assembly, i.e., the behaviors of source code includes the behaviors of target code, with which the properties verified at the source can be preserved down to the target; the other is memory safety ensured by the verifying compilation -- the borrow checking pass, which can simplify the verification of Rust programs, e.g., by allow …",
            "authors": "Jinhua Wu, Yuting Wang, Liukun Yu, Linglong Meng",
            "category": "cs.PL",
            "pdf": "https://arxiv.org/pdf/2602.07455v1",
            "published": "2026-02-07T09:15:35Z",
            "title": "RustCompCert: A Verified and Verifying Compiler for a Sequential Subset of Rust",
            "url": "http://arxiv.org/abs/2602.07455v1"
          }
        ],
        "usage": {
          "boxes": [
            "gate",
            "recipe"
          ],
          "cache": "miss",
          "engine": "recipe",
          "lines": [
            {
              "about": "the call",
              "boxes": [
                "gate"
              ],
              "cache": "miss",
              "call": "recipes",
              "engine": "gate",
              "units": 1
            },
            {
              "attempts": 1,
              "cache": "api",
              "call": "scrape",
              "engine": "api",
              "proxy": "isp",
              "units": 1,
              "url": "http://export.arxiv.org/…"
            }
          ],
          "units": 2
        },
        "version": 1
      }
    }
  ]
}
```