{
  "generated_at": "2026-04-24T15:01:35.625676+00:00",
  "slug": "x402-anyspend-com-api-simdune",
  "title": "AnySpend \u00b7 Multichain Blockchain Data",
  "url": "https://x402.anyspend.com/api/simdune",
  "category": "data",
  "summary": "Query real-time multichain blockchain data and analytics across Ethereum, Polygon, and other EVM chains.",
  "seo": {
    "title": "x402 Multichain Data API | AnySpend Simdune",
    "description": "Query real-time blockchain data across Ethereum, Polygon, and EVM chains via x402. 0.25 USDC per call. Base network."
  },
  "use_cases": [
    "Fetch on-chain analytics for portfolio tracking",
    "Monitor gas fees and network activity across chains",
    "Integrate multi-chain data into DeFi dashboards"
  ],
  "ideal_buyer": "DeFi analytics platforms, portfolio trackers, and trading systems needing unified multichain data access.",
  "example_prompt": "Get current Ethereum and Polygon gas fees plus recent transaction volume for risk assessment.",
  "example_request_body": {
    "chain": "ethereum",
    "metrics": [
      "gas_price",
      "tx_volume",
      "active_addresses"
    ],
    "timeframe": "24h"
  },
  "risk_notes": [],
  "pricing_sanity": {
    "flag": "expensive_outlier",
    "ratio": 12.5,
    "median_category_atomic": 20000
  },
  "pricing_review_required": false,
  "pricing_decimal_suspect": false,
  "trust_tier": "indexed_external",
  "accepts": [
    {
      "scheme": "exact",
      "network": "base",
      "pay_to": "0x1e8e93cb91778e5b1a3639706789195a838960f8",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "max_amount_required_atomic": "250000",
      "max_timeout_seconds": 120,
      "mime_type": "application/json",
      "description": "Real-time multichain blockchain data and analytics. Query Ethereum, Polygon, and other EVM chains with on-chain data. Price: $0.00025 USDC per request",
      "verified": false,
      "hints": {
        "input": {
          "type": "http",
          "method": "POST",
          "bodyType": "json",
          "bodyFields": {
            "url": {
              "type": "string",
              "required": true,
              "description": "SimDune API endpoint path (e.g., 'evm/ethereum/transactions'). See docs at https://docs.sim.dune.com/"
            },
            "params": {
              "type": "object",
              "required": false,
              "description": "Query parameters as key-value pairs. Example: {\"limit\":\"10\"}"
            }
          },
          "headerFields": {
            "X-PAYMENT": {
              "type": "string",
              "required": false,
              "description": "Base64-encoded JSON PaymentPayload; automatically filled by x402scan"
            },
            "Content-Type": {
              "type": "string",
              "required": true,
              "description": "Must be 'application/json'"
            }
          }
        },
        "output": {
          "data": "object",
          "meta": {
            "cached": "boolean",
            "source": "string",
            "latency": "number",
            "endpoint": "string",
            "timestamp": "string"
          }
        }
      }
    }
  ],
  "duplicate_cluster_id": "data-cl-40d41e7f357d",
  "origin": {
    "slug": "x402-anyspend-com",
    "host": "x402.anyspend.com",
    "url": "https://x402.anyspend.com"
  },
  "json_ld": {
    "@id": "https://x402all.com/resource/x402-anyspend-com-api-simdune",
    "url": "https://x402all.com/resource/x402-anyspend-com-api-simdune",
    "name": "AnySpend \u00b7 Multichain Blockchain Data",
    "@type": "WebAPI",
    "offers": {
      "url": "https://x402all.com/resource/x402-anyspend-com-api-simdune",
      "@type": "Offer",
      "price": "0.25",
      "availability": "https://schema.org/InStock",
      "priceCurrency": "USDC",
      "priceSpecification": {
        "@type": "UnitPriceSpecification",
        "price": "0.250000",
        "unitText": "call",
        "priceCurrency": "USDC"
      },
      "eligibleCustomerType": "Agent",
      "additionalProperty": [
        {
          "@type": "PropertyValue",
          "name": "paymentNetwork",
          "value": "base"
        },
        {
          "@type": "PropertyValue",
          "name": "paymentAsset",
          "value": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
        }
      ]
    },
    "sameAs": "https://x402.anyspend.com/api/simdune",
    "@context": "https://schema.org",
    "provider": {
      "@id": "https://x402all.com/server/x402-anyspend-com",
      "url": "https://x402.anyspend.com",
      "name": "x402.anyspend.com",
      "@type": "Organization"
    },
    "identifier": "x402-anyspend-com-api-simdune",
    "description": "Query real-time blockchain data across Ethereum, Polygon, and EVM chains via x402. 0.25 USDC per call. Base network.",
    "potentialAction": {
      "@type": "BuyAction",
      "target": "https://axon402.com/test-buy?resource=x402-anyspend-com-api-simdune",
      "description": "Test-buy this endpoint on AXON"
    },
    "applicationCategory": "data"
  },
  "axon_deep_link": "https://axon402.com/test-buy?resource=x402-anyspend-com-api-simdune"
}