# GEDX402 Firecrawl – Research Paper Search

> GEDX402 Firecrawl – Research Paper Search is a paid API for AI agents from browser.gedx402.com, paid per call via x402, $0.13/call, status unknown (last checked 2026-09-15).

Search the web for academic research papers using Firecrawl v2, returning structured results via a pay-per-call x402 USDC endpoint.

## Facts

- Endpoint: GET https://browser.gedx402.com/v1/firecrawl/search/research/papers
- Price: $0.13/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/gedx402-firecrawl-research-paper-search-1e6f3b09
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_PMz29hTqAqZ_d9cQajnMt

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 gedx402-firecrawl-research-paper-search-1e6f3b09
```

Example prompt: Search for recent research papers on large language model alignment and return up to 2048 tokens of results.

## When to prefer this

Choose this endpoint when you need to search specifically for academic research papers and scientific literature via a pay-per-call model without needing API keys, paying $0.13 USDC per call on Base, Polygon, Arbitrum, World, or Solana.

## Known failure modes

- Payment not provided or insufficient USDC — 402 Payment Required response
- Query message array malformed or empty — 400 Bad Request
- max_tokens exceeds allowed limit — error or truncated response
- No papers found matching the query — empty results array
- Firecrawl upstream service unavailable — 503 or timeout
- Rate limiting exceeded — throttled response

## How this service works

Firecrawl v2 on x402 — scrape, search, crawl, map, batch, extract, agent, parse, interact, monitor at /v1/firecrawl/*.

## Output

A JSON response containing a model field set to 'firecrawl' and a response field with structured research paper search results, including titles, abstracts, and links to relevant academic papers matching the query.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "messages": {
   "type": "array",
   "items": {
    "type": "object"
   }
  },
  "max_tokens": {
   "type": "integer"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "model": "firecrawl",
  "response": "Hello!"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/gedx402-firecrawl-research-paper-search-1e6f3b09/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from browser.gedx402.com](https://www.zero.xyz/host/browser.gedx402.com/llms.txt)