{
  "generated_at": "2026-04-24T15:01:35.625676+00:00",
  "slug": "gg402-vercel-app-essay-grader",
  "title": "GG402 \u00b7 Essay Grading & Feedback",
  "url": "https://gg402.vercel.app/essay_grader",
  "category": "ai",
  "summary": "Evaluates student essays across grammar, structure, and content dimensions with numeric scores and improvement suggestions.",
  "seo": {
    "title": "AI Essay Grader API - x402 Micropayments",
    "description": "Automated essay evaluation via x402. $0.01 USDC per submission on Base. Scores grammar, structure, and content with detailed feedback."
  },
  "use_cases": [
    "Automate essay scoring for educational platforms",
    "Provide detailed writing feedback to students",
    "Batch process writing assignments with consistent rubrics"
  ],
  "ideal_buyer": "EdTech platforms, tutoring agents, and automated grading systems requiring structured essay evaluation.",
  "example_prompt": "Grade this essay: 'The industrial revolution transformed society through mechanization, urbanization, and new economic systems...'",
  "example_request_body": {
    "essay": "The industrial revolution transformed society through mechanization, urbanization, and new economic systems that redefined labor relations."
  },
  "risk_notes": [],
  "pricing_sanity": {
    "flag": "normal",
    "ratio": 0.333,
    "median_category_atomic": 30000
  },
  "pricing_review_required": false,
  "pricing_decimal_suspect": false,
  "trust_tier": "indexed_external",
  "accepts": [
    {
      "scheme": "exact",
      "network": "base",
      "pay_to": "0x9257cd24721e3c06e9f7655b77c283bcd9652132",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "max_amount_required_atomic": "10000",
      "max_timeout_seconds": 60,
      "mime_type": "application/json",
      "description": "Evaluates student essays for grammar, structure, content, and provides feedback with scores and improvement suggestions.",
      "verified": false,
      "hints": {
        "input": {
          "type": "http",
          "method": "POST",
          "bodyType": "json",
          "bodyFields": {
            "topic": {
              "type": "string",
              "required": false,
              "description": "Essay topic or prompt."
            },
            "essay_text": {
              "type": "string",
              "required": true,
              "description": "Full text of the essay."
            },
            "grade_level": {
              "type": "string",
              "required": false,
              "description": "Educational level, e.g., 'high school'."
            }
          }
        },
        "output": {
          "type": "object",
          "required": [
            "grammar_score",
            "structure_score",
            "content_score",
            "overall_feedback",
            "suggestions"
          ],
          "properties": {
            "suggestions": {
              "type": "array",
              "description": "Specific improvement recommendations."
            },
            "content_score": {
              "type": "number",
              "description": "Score out of 10 for relevance and depth."
            },
            "grammar_score": {
              "type": "number",
              "description": "Score out of 10 for grammar and mechanics."
            },
            "structure_score": {
              "type": "number",
              "description": "Score out of 10 for organization."
            },
            "overall_feedback": {
              "type": "string",
              "description": "Summary of strengths and weaknesses."
            }
          }
        }
      }
    }
  ],
  "duplicate_cluster_id": "finance-cl-085be4453f38",
  "origin": {
    "slug": "gg402-vercel-app",
    "host": "gg402.vercel.app",
    "title": "x402 API Marketplace | Pay-per-call APIs with Crypto",
    "description": "Discover and integrate paid APIs using the x402 protocol. Micropayments made simple with crypto.",
    "url": "https://gg402.vercel.app"
  },
  "json_ld": {
    "@id": "https://x402all.com/resource/gg402-vercel-app-essay-grader",
    "url": "https://x402all.com/resource/gg402-vercel-app-essay-grader",
    "name": "GG402 \u00b7 Essay Grading & Feedback",
    "@type": "WebAPI",
    "offers": {
      "url": "https://x402all.com/resource/gg402-vercel-app-essay-grader",
      "@type": "Offer",
      "price": "0.01",
      "availability": "https://schema.org/InStock",
      "priceCurrency": "USDC",
      "priceSpecification": {
        "@type": "UnitPriceSpecification",
        "price": "0.010000",
        "unitText": "call",
        "priceCurrency": "USDC"
      },
      "eligibleCustomerType": "Agent",
      "additionalProperty": [
        {
          "@type": "PropertyValue",
          "name": "paymentNetwork",
          "value": "base"
        },
        {
          "@type": "PropertyValue",
          "name": "paymentAsset",
          "value": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
        }
      ]
    },
    "sameAs": "https://gg402.vercel.app/essay_grader",
    "@context": "https://schema.org",
    "provider": {
      "@id": "https://x402all.com/server/gg402-vercel-app",
      "url": "https://gg402.vercel.app",
      "name": "x402 API Marketplace | Pay-per-call APIs with Crypto",
      "@type": "Organization"
    },
    "identifier": "gg402-vercel-app-essay-grader",
    "description": "Automated essay evaluation via x402. $0.01 USDC per submission on Base. Scores grammar, structure, and content with detailed feedback.",
    "potentialAction": {
      "@type": "BuyAction",
      "target": "https://axon402.com/test-buy?resource=gg402-vercel-app-essay-grader",
      "description": "Test-buy this endpoint on AXON"
    },
    "applicationCategory": "ai"
  },
  "axon_deep_link": "https://axon402.com/test-buy?resource=gg402-vercel-app-essay-grader"
}