Json Validate

{
  "draft": "2020-12",
  "error_count": 3,
  "errors": [
    {
      "message": "'age' is a required property",
      "path": "",
      "schema_path": "/required",
      "validator": "required"
    },
    {
      "message": "1 is not of type 'string'",
      "path": "/name",
      "schema_path": "/properties/name/type",
      "validator": "type"
    },
    {
      "message": "'nope' is not a 'email'",
      "path": "/email",
      "schema_path": "/properties/email/format",
      "validator": "format"
    }
  ],
  "formats_checked": [
    "date",
    "date-time",
    "email",
    "idn-email",
    "idn-hostname",
    "ipv4",
    "ipv6",
    "regex",
    "time",
    "uri",
    "uri-reference",
    "uuid"
  ],
  "note": "Remote $ref documents are never fetched; embed them under $defs. Formats not listed in formats_checked are not asserted.",
  "source": {
    "library": "jsonschema",
    "license": "MIT"
  },
  "truncated": false,
  "valid": false
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://tanod.dev/v1/json/validate' \
  -H 'content-type: application/json' \
  --data-raw '{"instance":{"email":"nope","name":1},"schema":{"properties":{"age":{"type":"integer"},"email":{"format":"email","type":"string"},"name":{"type":"string"}},"required":["name","age"],"type":"object"}}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://tanod.dev/v1/json/validate' \
  -H 'content-type: application/json' \
  --data-raw '{"instance":{"email":"nope","name":1},"schema":{"properties":{"age":{"type":"integer"},"email":{"format":"email","type":"string"},"name":{"type":"string"}},"required":["name","age"],"type":"object"}}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fjson%2Fvalidate&method=POST
const res = await pay("https://tanod.dev/v1/json/validate", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "instance": {
      "email": "nope",
      "name": 1
    },
    "schema": {
      "properties": {
        "age": {
          "type": "integer"
        },
        "email": {
          "format": "email",
          "type": "string"
        },
        "name": {
          "type": "string"
        }
      },
      "required": [
        "name",
        "age"
      ],
      "type": "object"
    }
  }),
});
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://tanod.dev/v1/json/validate",
        json={
            "instance": {
                "email": "nope",
                "name": 1,
            },
            "schema": {
                "properties": {
                    "age": {
                        "type": "integer",
                    },
                    "email": {
                        "format": "email",
                        "type": "string",
                    },
                    "name": {
                        "type": "string",
                    },
                },
                "required": [
                    "name",
                    "age",
                ],
                "type": "object",
            },
        },
    )
    print(res.status_code, res.text)