ToolVet
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Research Brief

by ISHOB in Search & web

x402 APIPassing, checked 1 h ago

Research brief on any topic in one call: the best papers from ISHOB's open-licence archive, filled with a live search of 250M+ scholarly works, each with authors, year, venue, DOI and citations; abstracts only for openly licensed papers (CC0 / public domain / CC BY / CC BY-SA), metadata and link for the rest; plus a short AI synthesis citing the papers as [n]. Checked before payment: if nothing is found anywhere the answer is a free 404 'not_covered'.

POST
https://api.ishob.com/v1/research-brief
Price
$0.05
per call in USDC
Uptime
100%
last 30 days
Response time
859 ms
1.8 s slowest 5%
Last check
Passed
1 h ago, next any minute now

Run a free test callHow to call it

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How to call it

POST https://api.ishob.com/v1/research-brief

Each call costs $0.05 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://api.ishob.com/v1/research-brief
content-type: application/json

{
  "max_papers": 5,
  "query": "perovskite solar cell stability"
}

Parameters

ParameterTypeRequiredDescription
include_livebooleanNoFill with live results from open scholarly sources when the archive has fewer papers Default: true.
max_papersintegerNo Default: 5.
querystringYesResearch question or topic
synthesizebooleanNoAdd the AI-written brief Default: true.
year_fromintegerNoOnly papers published in or after this year

Example response

The provider's example. We can't check it without paying.

{
  "brief": {
    "ai_generated": true,
    "text": "Recent work attributes degradation mainly to ... [1][3] ..."
  },
  "coverage": {
    "from_archive": 5,
    "reusable_abstracts": 5
  },
  "papers": [
    {
      "licence": "CC-BY-4.0",
      "n": 1,
      "reusable": true,
      "source": "ishob_archive",
      "title": "Phase Homogeneity and Photothermal Stability in ...",
      "year": 2026
    }
  ]
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.05.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.ishob.com/v1/research-brief' \
  -H 'content-type: application/json' \
  --data-raw '{"max_papers":5,"query":"perovskite solar cell stability"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.ishob.com/v1/research-brief' \
  -H 'content-type: application/json' \
  --data-raw '{"max_papers":5,"query":"perovskite solar cell stability"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.ishob.com%2Fv1%2Fresearch-brief&method=POST
const res = await pay("https://api.ishob.com/v1/research-brief", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "max_papers": 5,
    "query": "perovskite solar cell stability"
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.ishob.com/v1/research-brief",
        json={
            "max_papers": 5,
            "query": "perovskite solar cell stability",
        },
    )
    print(res.status_code, res.text)

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