Json Validate

Last 30 days

Uptime

100%

Response time

209 ms typical, 375 ms slowest 5%

Last check

2 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://agent402.tools/api/json-validate" \
  -H "content-type: application/json" \
  -d '{"data":{"age":3,"name":"x"},"schema":{"properties":{"age":{"minimum":0,"type":"integer"},"name":{"type":"string"}},"required":["name"],"type":"object"}}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fjson-validate
const res = await pay("https://agent402.tools/api/json-validate", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"data":{"age":3,"name":"x"},"schema":{"properties":{"age":{"minimum":0,"type":"integer"},"name":{"type":"string"}},"required":["name"],"type":"object"}}),
});
console.log(await res.json());

Example input

{
  "data": {
    "age": 3,
    "name": "x"
  },
  "schema": {
    "properties": {
      "age": {
        "minimum": 0,
        "type": "integer"
      },
      "name": {
        "type": "string"
      }
    },
    "required": [
      "name"
    ],
    "type": "object"
  }
}

Example output

{
  "errors": [],
  "valid": true
}

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• No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

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