Crypto News

{
  "brief": {
    "tag_counts": {
      "BTC": 1,
      "ETF": 1
    },
    "top_headlines": [
      {
        "title": "Bitcoin ETFs notch best month of 2026",
        "url": "https://example.com/a"
      }
    ]
  },
  "caveats": [
    "No per-headline sentiment/whyItMatters is fabricated. topic_tags are simple rule-based key…"
  ],
  "data": {
    "headlines": [
      {
        "match": null,
        "publishedAt": "2026-09-28T13:15:00Z",
        "rank": 1,
        "source": "example.com",
        "title": "Bitcoin ETFs notch best month of 2026",
        "url": "https://example.com/a",
        "whyItMatters": null
      }
    ],
    "report": "1 ranked crypto headlines from GDELT + Hacker News, most recent first (deterministic, not …"
  },
  "headline_count": 1,
  "headlines": [
    {
      "language": "English",
      "publishedAt": "2026-09-28T13:15:00Z",
      "source": "example.com",
      "title": "Bitcoin ETFs notch best month of 2026",
      "topic_tags": [
        "BTC"
      ],
      "url": "https://example.com/a"
    }
  ],
  "market_tone": {
    "avg_tone": -1.2,
    "window": "1d"
  },
  "meta": {
    "dataAsOf": "2026-09-28T13:15:00Z",
    "degraded": false,
    "freshness": "fresh",
    "generatedAt": "2026-09-28T13:20:00Z",
    "sourceHealth": {
      "gdelt": "ok",
      "hackernews": "ok"
    },
    "stalenessSec": 0
  },
  "status": "success"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://draconic21-x402-api.onrender.com/v1/crypto_news'

# 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 - 'https://draconic21-x402-api.onrender.com/v1/crypto_news' \
  | 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 $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
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 $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fdraconic21-x402-api.onrender.com%2Fv1%2Fcrypto_news
const res = await pay("https://draconic21-x402-api.onrender.com/v1/crypto_news");
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 $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://draconic21-x402-api.onrender.com/v1/crypto_news")
    print(res.status_code, res.text)