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mirrored listing x402 eip155:8453

Validate JSON data against a JSON Schema (draft-07, 2019-09, 2020-12) — returns exact erro

Validate JSON data against a JSON Schema (draft-07, 2019-09, 2020-12) — returns exact error locations, keywords, and messages for programmatic handling. Deterministic schema validation.

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2000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-31
updated

Provider

toolbelt402.tpoborne.workers.dev · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x06b40bf8Dfdc45049ea7f600c84301E227a2Ca15",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "data": {
            "age": 3
          },
          "schema": {
            "properties": {
              "name": {
                "type": "string"
              }
            },
            "required": [
              "name"
            ],
            "type": "object"
          }
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "errors": [
            {
              "error": "Instance does not have required property \"name\".",
              "keyword": "required",
              "location": "#"
            }
          ],
          "valid": false
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "data": {
                  "description": "Instance to validate"
                },
                "draft": {
                  "description": "Optional: 7, 2019-09 or 2020-12 (default)",
                  "type": "string"
                },
                "schema": {
                  "description": "JSON Schema to validate against",
                  "type": "object"
                }
              },
              "required": [
                "schema",
                "data"
              ],
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

Use it

curl

curl "https://toolbelt402.tpoborne.workers.dev/json/validate"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://toolbelt402.tpoborne.workers.dev/json/validate");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://toolbelt402.tpoborne.workers.dev/json/validate")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/12443.json, and this resource appears in /discovery/resources and /discovery/search.