{
  "generated_at": "2026-04-24T15:01:35.625676+00:00",
  "slug": "api-dirtroad-dev-tools-web3-evm-eth-get-uncle-by-block-number-and-index",
  "title": "DirtRoad \u00b7 Get EVM Uncle Block Data",
  "url": "https://api.dirtroad.dev/tools/web3/evm/eth-get-uncle-by-block-number-and-index",
  "category": "data",
  "summary": "Fetch uncle block data for Ethereum-compatible chains, noting SKALE chains always return null for this method.",
  "seo": {
    "title": "EVM Uncle Block API | x402 Ethereum-Compatible Data",
    "description": "Retrieve uncle block data by block number and index for EVM chains. Returns null for SKALE. 0.0001 USDC per call on Base."
  },
  "use_cases": [
    "Maintain compatibility with Ethereum tooling expecting uncle data",
    "Verify ommer block inclusion for research",
    "Handle uncle queries for SKALE chain compatibility"
  ],
  "ideal_buyer": "EVM tooling developers, chain researchers, or agents requiring Ethereum-compatible block data.",
  "example_prompt": "Get the uncle block at index 0 for Ethereum block 18000000.",
  "example_request_body": {
    "chain": "eip155:1",
    "index": "0",
    "blockTag": "18000000"
  },
  "risk_notes": [],
  "pricing_sanity": {
    "flag": "cheap_outlier",
    "ratio": 0.005,
    "median_category_atomic": 20000
  },
  "pricing_review_required": false,
  "pricing_decimal_suspect": false,
  "trust_tier": "indexed_external",
  "accepts": [
    {
      "scheme": "exact",
      "network": "base",
      "pay_to": "0x71dc0bc68e7f0e2c5aace661b0f3fb995a80aaf4",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "max_amount_required_atomic": "100",
      "max_timeout_seconds": 300,
      "mime_type": "application/json",
      "description": "Retrieve uncle block data by block number and uncle index. Returns the complete uncle block data. SKALE chains don't have uncles, so this always returns null. Useful for compatibility with Ethereum tools that expect this method.",
      "verified": false,
      "hints": {
        "input": {
          "type": "http",
          "method": "POST",
          "bodyType": "json",
          "bodyFields": {
            "chain": {},
            "index": {},
            "blockTag": {}
          }
        },
        "output": {
          "type": "object",
          "required": [
            "chain",
            "blockTag",
            "index",
            "uncle"
          ],
          "properties": {
            "chain": {
              "type": "string",
              "description": "CAIP-12 chain identifier"
            },
            "index": {
              "type": "string",
              "description": "Uncle index requested"
            },
            "uncle": {
              "type": "object",
              "description": "Uncle block data (always null for SKALE)"
            },
            "blockTag": {
              "type": "string",
              "description": "Block tag queried"
            }
          }
        }
      }
    }
  ],
  "duplicate_cluster_id": "data-cl-c6b17b49415f",
  "origin": {
    "slug": "api-dirtroad-dev",
    "host": "api.dirtroad.dev",
    "url": "https://api.dirtroad.dev",
    "favicon": "https://dirtroad.dev/mintlify-assets/_mintlify/favicons/dirtroaddev/hL1CxJhINP8GaPGW/_generated/favicon/favicon.ico"
  },
  "json_ld": {
    "@id": "https://x402all.com/resource/api-dirtroad-dev-tools-web3-evm-eth-get-uncle-by-block-number-and-index",
    "url": "https://x402all.com/resource/api-dirtroad-dev-tools-web3-evm-eth-get-uncle-by-block-number-and-index",
    "name": "DirtRoad \u00b7 Get EVM Uncle Block Data",
    "@type": "WebAPI",
    "offers": {
      "url": "https://x402all.com/resource/api-dirtroad-dev-tools-web3-evm-eth-get-uncle-by-block-number-and-index",
      "@type": "Offer",
      "price": "0.0001",
      "availability": "https://schema.org/InStock",
      "priceCurrency": "USDC",
      "priceSpecification": {
        "@type": "UnitPriceSpecification",
        "price": "0.000100",
        "unitText": "call",
        "priceCurrency": "USDC"
      },
      "eligibleCustomerType": "Agent",
      "additionalProperty": [
        {
          "@type": "PropertyValue",
          "name": "paymentNetwork",
          "value": "base"
        },
        {
          "@type": "PropertyValue",
          "name": "paymentAsset",
          "value": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
        }
      ]
    },
    "sameAs": "https://api.dirtroad.dev/tools/web3/evm/eth-get-uncle-by-block-number-and-index",
    "@context": "https://schema.org",
    "provider": {
      "@id": "https://x402all.com/server/api-dirtroad-dev",
      "url": "https://api.dirtroad.dev",
      "name": "api.dirtroad.dev",
      "@type": "Organization"
    },
    "identifier": "api-dirtroad-dev-tools-web3-evm-eth-get-uncle-by-block-number-and-index",
    "description": "Retrieve uncle block data by block number and index for EVM chains. Returns null for SKALE. 0.0001 USDC per call on Base.",
    "potentialAction": {
      "@type": "BuyAction",
      "target": "https://axon402.com/test-buy?resource=api-dirtroad-dev-tools-web3-evm-eth-get-uncle-by-block-number-and-index",
      "description": "Test-buy this endpoint on AXON"
    },
    "applicationCategory": "data"
  },
  "axon_deep_link": "https://axon402.com/test-buy?resource=api-dirtroad-dev-tools-web3-evm-eth-get-uncle-by-block-number-and-index"
}