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

"epoch-convert": { Epoch Converter $0.003 Convert epoch seconds or milliseconds (detected by magnitude) or an ISO-8601 string into epoch_s, epoch_ms, UTC ISO and ISO in any IANA time zone. Deterministic, no network.
"method": "POST", "content_type": "application/json",
"price_usd": 0.003, // 3000 atomic USDC (6 decimals)
"network": "eip155:8453", // Base mainnet
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", // USDC
"payTo": "0xc22f9CAEBAc37fE72D5142f35f21f6696Ea9Ef69",
"you_provide": { // JSON body fields
required ['integer', 'number', 'string'] Epoch seconds or milliseconds (told apart by size), or an ISO-8601 date/time string. Required · ['integer', 'number', 'string'] max length 64 Example: 1700000000
optional string IANA time zone for iso_tz, e.g. America/Chicago. Default UTC. Optional · string min length 1 · max length 64 · default "UTC" Example: "America/Chicago"
},
"request_body": // live, from your inputs
{
  "value": 1700000000,
  "tz": "America/Chicago"
}
"you_get": { // HTTP 200 application/json after payment
"output_schema":
{
  "type": "object",
  "properties": {
    "skill": {
      "type": "string"
    },
    "ok": {
      "type": "boolean"
    },
    "input_kind": {
      "type": "string"
    },
    "epoch_s": {
      "type": "integer"
    },
    "epoch_ms": {
      "type": "integer"
    },
    "iso_utc": {
      "type": "string"
    },
    "iso_tz": {
      "type": "string"
    },
    "tz": {
      "type": "string"
    },
    "utc_offset": {
      "type": "string"
    }
  },
  "required": [
    "ok",
    "skill"
  ]
}
"example":
{
  "skill": "epoch_convert",
  "ok": true,
  "input_kind": "epoch_s",
  "epoch_s": 1700000000,
  "epoch_ms": 1700000000000,
  "iso_utc": "2023-11-14T22:13:20Z",
  "iso_tz": "2023-11-14T16:13:20-06:00",
  "tz": "America/Chicago",
  "utc_offset": "-06:00"
}
},
"flow": [
  1. POST https://grokzilla.shop/api/skills/epoch-convert 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: "3000", payTo}]} (same JSON in the body)
  3. your x402 client checks amount ≤ $0.003 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/epoch-convert on this host and decodes the 402. Never pays.
}