Marketplace · API · x402

citepulse.theaslangroupllc.com/api/paper

Single-paper lookup by DOI or title for research agents — citation count, influence, open-access status with a direct legal-OA link (Unpaywall), venue, and a TLDR. Deterministic passthrough over OpenAlex + Semantic Scholar + Unpaywall, no synthesis, cheap and fast.

Endpointhttps://citepulse.theaslangroupllc.com/api/paper
Trust✓ Verified callable · 100% uptime over 1 checks · ~963 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc
methodGET
last updated2026-11-11T02:35:10.072Z

Use it

Call it (an x402 client pays automatically)

curl -i https://citepulse.theaslangroupllc.com/api/paper
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-91417bb4baf47e2c

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

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