Json Validate

Last 30 days

Uptime

100%

Response time

165 ms typical, 246 ms slowest 5%

Last check

3 h ago

Next check

any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/json/validate" \
  -H "content-type: application/json" \
  -d '{"schema":{"additionalProperties":false,"properties":{"id":{"type":"integer"},"status":{"enum":["ready","blocked"]}},"required":["id","status"],"type":"object"},"value":{"id":42,"status":"ready"}}'

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%2Fhttp--forest-gas-station-mainnet--lcjl27p8lmjs.code.run%2Fjson%2Fvalidate
const res = await pay("https://http--forest-gas-station-mainnet--lcjl27p8lmjs.code.run/json/validate", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"schema":{"additionalProperties":false,"properties":{"id":{"type":"integer"},"status":{"enum":["ready","blocked"]}},"required":["id","status"],"type":"object"},"value":{"id":42,"status":"ready"}}),
});
console.log(await res.json());

Example input

{
  "schema": {
    "additionalProperties": false,
    "properties": {
      "id": {
        "type": "integer"
      },
      "status": {
        "enum": [
          "ready",
          "blocked"
        ]
      }
    },
    "required": [
      "id",
      "status"
    ],
    "type": "object"
  },
  "value": {
    "id": 42,
    "status": "ready"
  }
}

Example output

{
  "capability": "json.validate",
  "data": {
    "input_bytes": 0,
    "schema_nodes": 1,
    "schema_scope": "forest_bounded_json_schema_subset_v1",
    "truncated": false,
    "valid": false,
    "value_nodes_visited": 0,
    "violation_count": 0,
    "violations": []
  },
  "meta": {
    "cache": "miss",
    "checked_at": "2026-01-01T00:00:00.000Z",
    "duration_ms": 0,
    "provider": "local-json"
  },
  "ok": true,
  "version": "1"
}

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