{
  "generated_at": "2026-04-24T15:01:35.625676+00:00",
  "slug": "diff-checker-production-up-railway-app-api-diff",
  "title": "Diff Checker \u00b7 Text Comparison API",
  "url": "https://diff-checker-production.up.railway.app/api/diff",
  "category": "tools",
  "summary": "Compute text differences between two strings with structured change output.",
  "seo": {
    "title": "Diff Checker API | Text Diff x402 Utility",
    "description": "Compare two text strings and return differences. $0.002 USDC per comparison via x402 on Base. Lowest-cost text diff utility."
  },
  "use_cases": [
    "Detect changes in document versions",
    "Validate code modifications",
    "Compare configuration files",
    "Audit text revisions automatically"
  ],
  "ideal_buyer": "Document processing agents and code review systems requiring low-cost text comparison.",
  "example_prompt": "Show me the differences between these two contract versions",
  "example_request_body": {
    "text1": "function transfer(address to, uint256 amount) public { require(balance[msg.sender] >= amount); }",
    "text2": "function transfer(address to, uint256 amount) public { require(balance[msg.sender] >= amount, 'Insufficient balance'); }"
  },
  "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": [
              "text1",
              "text2"
            ],
            "properties": {
              "text1": {
                "type": "string",
                "description": "The original text (base)"
              },
              "text2": {
                "type": "string",
                "description": "The modified text to compare against"
              }
            }
          },
          "type": "http",
          "method": "POST",
          "bodyType": "json"
        },
        "output": {
          "type": "json",
          "example": {}
        }
      }
    }
  ],
  "origin": {
    "slug": "diff-checker-production-up-railway-app",
    "host": "diff-checker-production.up.railway.app",
    "title": "Diff Checker API",
    "description": "An x402-payable API endpoint hosted on Railway. No further service details available from the origin.",
    "url": "https://diff-checker-production.up.railway.app",
    "favicon": "https://diff-checker-production.up.railway.app/favicon.ico"
  },
  "json_ld": {
    "@id": "https://x402all.com/resource/diff-checker-production-up-railway-app-api-diff",
    "url": "https://x402all.com/resource/diff-checker-production-up-railway-app-api-diff",
    "name": "Diff Checker \u00b7 Text Comparison API",
    "@type": "WebAPI",
    "offers": {
      "url": "https://x402all.com/resource/diff-checker-production-up-railway-app-api-diff",
      "@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://diff-checker-production.up.railway.app/api/diff",
    "@context": "https://schema.org",
    "provider": {
      "@id": "https://x402all.com/server/diff-checker-production-up-railway-app",
      "url": "https://diff-checker-production.up.railway.app",
      "name": "Diff Checker API",
      "@type": "Organization"
    },
    "identifier": "diff-checker-production-up-railway-app-api-diff",
    "description": "Compare two text strings and return differences. $0.002 USDC per comparison via x402 on Base. Lowest-cost text diff utility.",
    "potentialAction": {
      "@type": "BuyAction",
      "target": "https://axon402.com/test-buy?resource=diff-checker-production-up-railway-app-api-diff",
      "description": "Test-buy this endpoint on AXON"
    },
    "applicationCategory": "tools"
  },
  "axon_deep_link": "https://axon402.com/test-buy?resource=diff-checker-production-up-railway-app-api-diff"
}