grokzilla.shop / try

{ try it }

"skills": 21, // pay-per-call, no account, no API key
"protocol": "x402 v2 · scheme exact",
"network": "eip155:8453", // Base mainnet
"this_page_pays": false // "Send unpaid request" only shows the 402 challenge. Paying stays with your own wallet or agent.
optional · prompt only The Base address your agent pays from. It is only written into the copyable agent prompt so your agent knows which wallet to use. It is never sent to the server and nothing is signed here.

← all 21 skills

"seo": { SEO Optimizer $0.012 Fetches a URL and returns an on-page SEO score from real checks (title, meta, headings, alt text, keywords, and more). If the page cannot be fetched, score is null and reason says why.
"endpoint": "https://grokzilla.shop/api/skills/seo",
"method": "POST", "content_type": "application/json",
"price_usd": 0.012, // 12000 atomic USDC (6 decimals)
"network": "eip155:8453", // Base mainnet
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", // USDC
"payTo": "0xc22f9CAEBAc37fE72D5142f35f21f6696Ea9Ef69",
"docs": "/docs/seo",
"you_provide": { // JSON body fields
required string Full URL of the page to analyse, including https://. Required · string Example: "https://example.com"
optional array of string Target keywords as a JSON array of strings, e.g. ["x402","micropayments"]. Optional · array of string
},
"request_body": // live, from your inputs
{
  "url": "https://example.com"
}
"you_get": { // HTTP 200 application/json after payment
"output_schema":
{
  "type": "object",
  "properties": {
    "skill": {
      "type": "string"
    },
    "url": {
      "type": "string"
    },
    "final_url": {
      "type": "string"
    },
    "score": {
      "type": "integer"
    },
    "recommendations": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "keywords": {
      "type": "array"
    },
    "stats": {
      "type": "object",
      "properties": {
        "status_code": {
          "type": "integer"
        },
        "word_count": {
          "type": "integer"
        }
      }
    }
  },
  "required": [
    "skill"
  ]
}
"example":
{
  "skill": "seo",
  "url": "https://example.com",
  "final_url": "https://example.com/",
  "score": 28,
  "recommendations": [
    "Add exactly one H1 heading.",
    "Lengthen the title to 30-60 characters (currently 14).",
    "Add a meta description of 70 to 160 characters."
  ],
  "keywords": [],
  "stats": {
    "status_code": 200,
    "word_count": 25
  }
}
},
"flow": [
  1. POST https://grokzilla.shop/api/skills/seo with the JSON body, no payment header
  2. ← 402 Payment Required + PAYMENT-REQUIRED header: base64 JSON {x402Version: 2, accepts: [{scheme: "exact", network: "eip155:8453", asset: USDC, amount: "12000", payTo}]} (same JSON in the body)
  3. your x402 client checks amount ≤ $0.012 and signs a USDC transfer authorization to payTo with your wallet
  4. retry the same POST with PAYMENT-SIGNATURE: <base64> (x402 v2) or X-PAYMENT (v1 clients)
  5. ← 200 OK with the result JSON + PAYMENT-RESPONSE header (base64 settlement receipt, tx hash on Base)
],
"copy": { // fills in from your inputs as you type
"agent_prompt"

        

        

          
"curl" // unpaid: shows the 402

          

        

        

          
"agentcash" // pays from your AgentCash wallet

          

        

        
},

      


      

        
"try": // POSTs unpaid to /api/skills/seo on this host and decodes the 402. Never pays.

        

        
      

      
}