{
  "generated_at": "2026-04-24T15:01:35.625676+00:00",
  "slug": "x4a-app-crypto-news",
  "title": "X4Agent \u00b7 Crypto News Feed by Topic",
  "url": "https://x4a.app/crypto-news",
  "category": "data",
  "summary": "Fetch cryptocurrency news articles filtered by specific topic or keyword.",
  "seo": {
    "title": "Crypto News API | X4Agent x402",
    "description": "Access curated cryptocurrency news by topic via X4Agent. x402 micropayment API on Base. $0.11 USDC per call. Real-time crypto intelligence."
  },
  "use_cases": [
    "Monitor breaking crypto news for trading signals",
    "Curate news feeds for portfolio dashboards",
    "Track regulatory developments by topic",
    "Generate sentiment analysis from news volume"
  ],
  "ideal_buyer": "Crypto intelligence agents and trading bots requiring topical news feeds.",
  "example_prompt": "Get the latest news about Ethereum Layer 2 scaling solutions.",
  "example_request_body": {
    "topic": "Ethereum Layer 2"
  },
  "risk_notes": [],
  "pricing_sanity": {
    "flag": "expensive",
    "ratio": 5.5,
    "median_category_atomic": 20000
  },
  "pricing_review_required": false,
  "pricing_decimal_suspect": false,
  "trust_tier": "indexed_external",
  "accepts": [
    {
      "scheme": "exact",
      "network": "base",
      "pay_to": "0x402a4f9aaff4c07e5e21396ae21a529971759f89",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "max_amount_required_atomic": "110000",
      "max_timeout_seconds": 60,
      "mime_type": "application/json",
      "description": "Access Crypto News via X4AGENT",
      "verified": false,
      "hints": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "topic": {
              "type": "string",
              "required": true,
              "description": "Parameter for Crypto News"
            }
          }
        },
        "output": {
          "data": {
            "type": "string"
          },
          "network": {
            "type": "string"
          },
          "receipt": {
            "type": "object"
          }
        }
      }
    }
  ],
  "origin": {
    "slug": "x4a-app",
    "host": "x4a.app",
    "url": "https://x4a.app",
    "favicon": "https://x4a.app/favicon.ico"
  },
  "json_ld": {
    "@id": "https://x402all.com/resource/x4a-app-crypto-news",
    "url": "https://x402all.com/resource/x4a-app-crypto-news",
    "name": "X4Agent \u00b7 Crypto News Feed by Topic",
    "@type": "WebAPI",
    "offers": {
      "url": "https://x402all.com/resource/x4a-app-crypto-news",
      "@type": "Offer",
      "price": "0.11",
      "availability": "https://schema.org/InStock",
      "priceCurrency": "USDC",
      "priceSpecification": {
        "@type": "UnitPriceSpecification",
        "price": "0.110000",
        "unitText": "call",
        "priceCurrency": "USDC"
      },
      "eligibleCustomerType": "Agent",
      "additionalProperty": [
        {
          "@type": "PropertyValue",
          "name": "paymentNetwork",
          "value": "base"
        },
        {
          "@type": "PropertyValue",
          "name": "paymentAsset",
          "value": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
        }
      ]
    },
    "sameAs": "https://x4a.app/crypto-news",
    "@context": "https://schema.org",
    "provider": {
      "@id": "https://x402all.com/server/x4a-app",
      "url": "https://x4a.app",
      "name": "x4a.app",
      "@type": "Organization"
    },
    "identifier": "x4a-app-crypto-news",
    "description": "Access curated cryptocurrency news by topic via X4Agent. x402 micropayment API on Base. $0.11 USDC per call. Real-time crypto intelligence.",
    "potentialAction": {
      "@type": "BuyAction",
      "target": "https://axon402.com/test-buy?resource=x4a-app-crypto-news",
      "description": "Test-buy this endpoint on AXON"
    },
    "applicationCategory": "data"
  },
  "axon_deep_link": "https://axon402.com/test-buy?resource=x4a-app-crypto-news"
}