ToolVet
78trust / 100

Read Batch

by skim402.com in Other

x402 APIPassing, checked 7 min ago

Skim: batch reader — up to 10 URLs to agent-ready markdown in one paid call, ~4x smaller than raw HTML.

POST
https://skim402.com/api/v2/read/batch
Price
$0.02
per call in USDC
Uptime
100%
last 30 days
Response time
242 ms
342 ms slowest 5%
Last check
Passed
7 min ago, next in 21 min

Run a free test callHow to call it

Reliability

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Status and outage history · Atom feed · Watch with other listings

How to call it

POST https://skim402.com/api/v2/read/batch

Each call costs $0.02 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://skim402.com/api/v2/read/batch
content-type: application/json

{
  "urls": [
    "https://example.com/article-1",
    "https://example.com/article-2"
  ]
}

Parameters

ParameterTypeRequiredDescription
urlsarray of stringYesUp to 10 URLs to read in parallel. Returns per-URL results; partial-success batches still settle, all-fail batches return 422 (no payment settled).

Example response

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

{
  "fetchedAt": "2025-01-01T00:00:00Z",
  "results": [
    {
      "cacheHit": false,
      "data": {
        "finalUrl": "https://example.com/article-1",
        "markdown": "# Article 1\n\n...",
        "metadata": {
          "title": "Article 1"
        },
        "mode": "basic",
        "text": "Article 1\n\n...",
        "url": "https://example.com/article-1"
      },
      "error": null,
      "ok": true,
      "url": "https://example.com/article-1"
    }
  ]
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.02.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://skim402.com/api/v2/read/batch' \
  -H 'content-type: application/json' \
  --data-raw '{"urls":["https://example.com/article-1","https://example.com/article-2"]}'

# 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://skim402.com/api/v2/read/batch' \
  -H 'content-type: application/json' \
  --data-raw '{"urls":["https://example.com/article-1","https://example.com/article-2"]}' \
  | 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 $0.02 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.02" });
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 $0.02 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fskim402.com%2Fapi%2Fv2%2Fread%2Fbatch&method=POST
const res = await pay("https://skim402.com/api/v2/read/batch", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "urls": [
      "https://example.com/article-1",
      "https://example.com/article-2"
    ]
  }),
});
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 $0.02 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.02"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://skim402.com/api/v2/read/batch",
        json={
            "urls": [
                "https://example.com/article-1",
                "https://example.com/article-2",
            ],
        },
    )
    print(res.status_code, res.text)

Security scan

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