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

"keyword-extract": { Keyword Extractor $0.008 Deterministic term ranking from free text. Stopword-filtered.
"endpoint": "https://grokzilla.shop/api/skills/keyword-extract",
"method": "POST", "content_type": "application/json",
"price_usd": 0.008, // 8000 atomic USDC (6 decimals)
"network": "eip155:8453", // Base mainnet
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", // USDC
"payTo": "0xc22f9CAEBAc37fE72D5142f35f21f6696Ea9Ef69",
"docs": "/docs/keyword-extract",
"you_provide": { // JSON body fields
required string The text to pull keywords from. Required · string Example: "x402 micropay on Base USDC"
optional integer Maximum number of keywords to return. Optional · integer Example: 5
},
"request_body": // live, from your inputs
{
  "text": "x402 micropay on Base USDC",
  "limit": 5
}
"you_get": { // HTTP 200 application/json after payment
"output_schema":
{
  "type": "object",
  "properties": {
    "skill": {
      "type": "string"
    },
    "ok": {
      "type": "boolean"
    },
    "keywords": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "term": {
            "type": "string"
          },
          "count": {
            "type": "integer"
          }
        }
      }
    },
    "unique_terms": {
      "type": "integer"
    },
    "tokens": {
      "type": "integer"
    }
  },
  "required": [
    "ok",
    "skill"
  ]
}
"example":
{
  "skill": "keyword_extract",
  "ok": true,
  "keywords": [
    {
      "term": "x402",
      "count": 1
    },
    {
      "term": "micropay",
      "count": 1
    },
    {
      "term": "base",
      "count": 1
    },
    {
      "term": "usdc",
      "count": 1
    }
  ],
  "unique_terms": 4,
  "tokens": 4
}
},
"flow": [
  1. POST https://grokzilla.shop/api/skills/keyword-extract 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: "8000", payTo}]} (same JSON in the body)
  3. your x402 client checks amount ≤ $0.008 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/keyword-extract on this host and decodes the 402. Never pays.

        

        
      

      
}