Scrape Markdown

{
  "char_count": 149,
  "content_type": "text/html",
  "markdown": "This domain is for use in documentation examples without needing permission. Avoid use in operations.\n\n[Learn more](https://iana.org/domains/example)",
  "metadata": {
    "author": null,
    "canonical_url": null,
    "description": null,
    "image": null,
    "language": "en",
    "modified_time": null,
    "pages": null,
    "published_time": null,
    "site_name": null,
    "type": null
  },
  "next_calls": [
    {
      "arguments": {
        "domain": "example.com"
      },
      "price": "$0.004",
      "tool": "domain_enrich",
      "why": "Who runs this site's email, and which SaaS does its domain use?"
    }
  ],
  "next_offset": null,
  "offset": 0,
  "source": "html",
  "status": 200,
  "title": "Example Domain",
  "token_estimate": 38,
  "total_chars": 149,
  "truncated": false,
  "url": "https://example.com/",
  "word_count": 17
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://x402-agent-api.onrender.com/api/v1/scrape-markdown' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://example.com"}'

# 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://x402-agent-api.onrender.com/api/v1/scrape-markdown' \
  -H 'content-type: application/json' \
  --data-raw '{"url":"https://example.com"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-agent-api.onrender.com%2Fapi%2Fv1%2Fscrape-markdown&method=POST
const res = await pay("https://x402-agent-api.onrender.com/api/v1/scrape-markdown", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "url": "https://example.com"
  }),
});
console.log(res.status, await res.text());

# 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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://x402-agent-api.onrender.com/api/v1/scrape-markdown",
        json={
            "url": "https://example.com",
        },
    )
    print(res.status_code, res.text)