{
  "generated_at": "2026-04-24T15:01:35.625676+00:00",
  "slug": "gas-estimator-production-f7f1-up-railway-app-api-estimate",
  "title": "Gas Estimator \u00b7 Estimate Gas Fees for EVM Chains",
  "url": "https://gas-estimator-production-f7f1.up.railway.app/api/estimate",
  "category": "data",
  "summary": "Returns estimated gas fees for specified EVM chains or all supported chains.",
  "seo": {
    "title": "EVM Gas Estimator API | x402 Pay-Per-Call",
    "description": "Estimate gas fees for Ethereum, Base, Polygon, Arbitrum, and BSC. Pay $0.002 USDC per call via x402 protocol."
  },
  "use_cases": [
    "Calculate transaction costs before execution",
    "Compare gas prices across multiple chains",
    "Estimate fees for batch operations"
  ],
  "ideal_buyer": "DeFi agents, wallet applications, and trading bots that need real-time gas pricing.",
  "example_prompt": "What are the current gas fees on Base and Arbitrum?",
  "example_request_body": {
    "chain": "base"
  },
  "risk_notes": [],
  "pricing_sanity": {
    "flag": "cheap_outlier",
    "ratio": 0.1,
    "median_category_atomic": 20000
  },
  "pricing_review_required": false,
  "pricing_decimal_suspect": false,
  "trust_tier": "indexed_external",
  "accepts": [
    {
      "scheme": "exact",
      "network": "base",
      "pay_to": "0x6e8b64638b24c6d625b045dd353120d850064e2e",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "max_amount_required_atomic": "2000",
      "max_timeout_seconds": 300,
      "verified": false,
      "hints": {
        "input": {
          "body": {
            "type": "object",
            "required": [],
            "properties": {
              "chain": {
                "type": "string",
                "description": "Chain name: ethereum, base, polygon, arbitrum, bsc. Omit for all chains."
              }
            }
          },
          "type": "http",
          "method": "POST",
          "bodyType": "json"
        },
        "output": {
          "type": "json",
          "example": {}
        }
      }
    }
  ],
  "origin": {
    "slug": "gas-estimator-production-f7f1-up-railway-app",
    "host": "gas-estimator-production-f7f1.up.railway.app",
    "title": "Gas Estimator API",
    "description": "A production-deployed service on Railway for estimating blockchain gas fees. Returns current gas price predictions for transaction cost calculations.",
    "url": "https://gas-estimator-production-f7f1.up.railway.app",
    "favicon": "https://gas-estimator-production-f7f1.up.railway.app/favicon.ico"
  },
  "json_ld": {
    "@id": "https://x402all.com/resource/gas-estimator-production-f7f1-up-railway-app-api-estimate",
    "url": "https://x402all.com/resource/gas-estimator-production-f7f1-up-railway-app-api-estimate",
    "name": "Gas Estimator \u00b7 Estimate Gas Fees for EVM Chains",
    "@type": "WebAPI",
    "offers": {
      "url": "https://x402all.com/resource/gas-estimator-production-f7f1-up-railway-app-api-estimate",
      "@type": "Offer",
      "price": "0.002",
      "availability": "https://schema.org/InStock",
      "priceCurrency": "USDC",
      "priceSpecification": {
        "@type": "UnitPriceSpecification",
        "price": "0.002000",
        "unitText": "call",
        "priceCurrency": "USDC"
      },
      "eligibleCustomerType": "Agent",
      "additionalProperty": [
        {
          "@type": "PropertyValue",
          "name": "paymentNetwork",
          "value": "base"
        },
        {
          "@type": "PropertyValue",
          "name": "paymentAsset",
          "value": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
        }
      ]
    },
    "sameAs": "https://gas-estimator-production-f7f1.up.railway.app/api/estimate",
    "@context": "https://schema.org",
    "provider": {
      "@id": "https://x402all.com/server/gas-estimator-production-f7f1-up-railway-app",
      "url": "https://gas-estimator-production-f7f1.up.railway.app",
      "name": "Gas Estimator API",
      "@type": "Organization"
    },
    "identifier": "gas-estimator-production-f7f1-up-railway-app-api-estimate",
    "description": "Estimate gas fees for Ethereum, Base, Polygon, Arbitrum, and BSC. Pay $0.002 USDC per call via x402 protocol.",
    "potentialAction": {
      "@type": "BuyAction",
      "target": "https://axon402.com/test-buy?resource=gas-estimator-production-f7f1-up-railway-app-api-estimate",
      "description": "Test-buy this endpoint on AXON"
    },
    "applicationCategory": "data"
  },
  "axon_deep_link": "https://axon402.com/test-buy?resource=gas-estimator-production-f7f1-up-railway-app-api-estimate"
}