Anokha Web Tools

GET /v1/papers

Search 250M+ scholarly works (OpenAlex): title, authors, year, venue, DOI, citation count, open-access PDF link, abstract. Sort by relevance, citations or recency.

Price: $0.01 per call, paid in USDC on Base via x402. No API key or signup.

Example call

npx x402-fetch "https://tools.anokha.space/v1/papers?q=retrieval+augmented+generation&limit=5"

Example response

{
  "query": "...",
  "total_matches": 1200,
  "results": [
    {
      "title": "...",
      "year": 2024,
      "doi": "https://doi.org/...",
      "cited_by": 120,
      "abstract": "..."
    }
  ]
}

How payment works

The first request returns HTTP 402 with a PAYMENT-REQUIRED header. An x402 client signs a USDC authorization and retries with a PAYMENT-SIGNATURE header. You are charged only when the call succeeds.